Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the MIT License. See License.txt in the project root for
license information.
Code generated by Microsoft (R) AutoRest Code Generator.
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License. See License.txt in the project root for
 * license information.
 *
 * Code generated by Microsoft (R) AutoRest Code Generator.
 */

package com.microsoft.azure.management.sql.implementation;

import com.microsoft.azure.management.resources.fluentcore.collection.InnerSupportsGet;
import com.microsoft.azure.management.resources.fluentcore.collection.InnerSupportsDelete;
import com.microsoft.azure.management.resources.fluentcore.collection.InnerSupportsListing;
import retrofit2.Retrofit;
import com.google.common.reflect.TypeToken;
import com.microsoft.azure.AzureServiceFuture;
import com.microsoft.azure.CloudException;
import com.microsoft.azure.ListOperationCallback;
import com.microsoft.azure.management.sql.CheckNameAvailabilityRequest;
import com.microsoft.azure.management.sql.ServerUpdate;
import com.microsoft.azure.Page;
import com.microsoft.azure.PagedList;
import com.microsoft.rest.ServiceCallback;
import com.microsoft.rest.ServiceFuture;
import com.microsoft.rest.ServiceResponse;
import com.microsoft.rest.Validator;
import java.io.IOException;
import java.util.List;
import okhttp3.ResponseBody;
import retrofit2.http.Body;
import retrofit2.http.GET;
import retrofit2.http.Header;
import retrofit2.http.Headers;
import retrofit2.http.HTTP;
import retrofit2.http.PATCH;
import retrofit2.http.Path;
import retrofit2.http.POST;
import retrofit2.http.PUT;
import retrofit2.http.Query;
import retrofit2.http.Url;
import retrofit2.Response;
import rx.functions.Func1;
import rx.Observable;

An instance of this class provides access to all the operations defined
in Servers.
/**
 * An instance of this class provides access to all the operations defined
 * in Servers.
 */
public class ServersInner implements InnerSupportsGet<ServerInner>, InnerSupportsDelete<Void>, InnerSupportsListing<ServerInner> {
    
The Retrofit service to perform REST calls. /** The Retrofit service to perform REST calls. */
    private ServersService service;
    
The service client containing this operation class. /** The service client containing this operation class. */
    private SqlManagementClientImpl client;

    
Initializes an instance of ServersInner.
Params:
retrofit – the Retrofit instance built from a Retrofit Builder.
client – the instance of the service client containing this operation class./**
     * Initializes an instance of ServersInner.
     *
     * @param retrofit the Retrofit instance built from a Retrofit Builder.
     * @param client the instance of the service client containing this operation class.
     */
    public ServersInner(Retrofit retrofit, SqlManagementClientImpl client) {
        this.service = retrofit.create(ServersService.class);
        this.client = client;
    }

    
The interface defining all the services for Servers to be
used by Retrofit to perform actually REST calls.
/**
     * The interface defining all the services for Servers to be
     * used by Retrofit to perform actually REST calls.
     */
    interface ServersService {
        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers checkNameAvailability" })
        @POST("subscriptions/{subscriptionId}/providers/Microsoft.Sql/checkNameAvailability")
        Observable<Response<ResponseBody>> checkNameAvailability(@Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Body CheckNameAvailabilityRequest parameters, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers list" })
        @GET("subscriptions/{subscriptionId}/providers/Microsoft.Sql/servers")
        Observable<Response<ResponseBody>> list(@Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers listByResourceGroup" })
        @GET("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Sql/servers")
        Observable<Response<ResponseBody>> listByResourceGroup(@Path("resourceGroupName") String resourceGroupName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers getByResourceGroup" })
        @GET("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Sql/servers/{serverName}")
        Observable<Response<ResponseBody>> getByResourceGroup(@Path("resourceGroupName") String resourceGroupName, @Path("serverName") String serverName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers createOrUpdate" })
        @PUT("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Sql/servers/{serverName}")
        Observable<Response<ResponseBody>> createOrUpdate(@Path("resourceGroupName") String resourceGroupName, @Path("serverName") String serverName, @Path("subscriptionId") String subscriptionId, @Body ServerInner parameters, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers beginCreateOrUpdate" })
        @PUT("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Sql/servers/{serverName}")
        Observable<Response<ResponseBody>> beginCreateOrUpdate(@Path("resourceGroupName") String resourceGroupName, @Path("serverName") String serverName, @Path("subscriptionId") String subscriptionId, @Body ServerInner parameters, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers delete" })
        @HTTP(path = "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Sql/servers/{serverName}", method = "DELETE", hasBody = true)
        Observable<Response<ResponseBody>> delete(@Path("resourceGroupName") String resourceGroupName, @Path("serverName") String serverName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers beginDelete" })
        @HTTP(path = "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Sql/servers/{serverName}", method = "DELETE", hasBody = true)
        Observable<Response<ResponseBody>> beginDelete(@Path("resourceGroupName") String resourceGroupName, @Path("serverName") String serverName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers update" })
        @PATCH("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Sql/servers/{serverName}")
        Observable<Response<ResponseBody>> update(@Path("resourceGroupName") String resourceGroupName, @Path("serverName") String serverName, @Path("subscriptionId") String subscriptionId, @Body ServerUpdate parameters, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers beginUpdate" })
        @PATCH("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Sql/servers/{serverName}")
        Observable<Response<ResponseBody>> beginUpdate(@Path("resourceGroupName") String resourceGroupName, @Path("serverName") String serverName, @Path("subscriptionId") String subscriptionId, @Body ServerUpdate parameters, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers listNext" })
        @GET
        Observable<Response<ResponseBody>> listNext(@Url String nextUrl, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.sql.Servers listByResourceGroupNext" })
        @GET
        Observable<Response<ResponseBody>> listByResourceGroupNext(@Url String nextUrl, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

    }

    
Determines whether a resource can be created with the specified name.
Params:
name – The name whose availability is to be checked.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the CheckNameAvailabilityResponseInner object if successful./**
     * Determines whether a resource can be created with the specified name.
     *
     * @param name The name whose availability is to be checked.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the CheckNameAvailabilityResponseInner object if successful.
     */
    public CheckNameAvailabilityResponseInner checkNameAvailability(String name) {
        return checkNameAvailabilityWithServiceResponseAsync(name).toBlocking().single().body();
    }

    
Determines whether a resource can be created with the specified name.
Params:
name – The name whose availability is to be checked.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Determines whether a resource can be created with the specified name.
     *
     * @param name The name whose availability is to be checked.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<CheckNameAvailabilityResponseInner> checkNameAvailabilityAsync(String name, final ServiceCallback<CheckNameAvailabilityResponseInner> serviceCallback) {
        return ServiceFuture.fromResponse(checkNameAvailabilityWithServiceResponseAsync(name), serviceCallback);
    }

    
Determines whether a resource can be created with the specified name.
Params:
name – The name whose availability is to be checked.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the CheckNameAvailabilityResponseInner object/**
     * Determines whether a resource can be created with the specified name.
     *
     * @param name The name whose availability is to be checked.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the CheckNameAvailabilityResponseInner object
     */
    public Observable<CheckNameAvailabilityResponseInner> checkNameAvailabilityAsync(String name) {
        return checkNameAvailabilityWithServiceResponseAsync(name).map(new Func1<ServiceResponse<CheckNameAvailabilityResponseInner>, CheckNameAvailabilityResponseInner>() {
            @Override
            public CheckNameAvailabilityResponseInner call(ServiceResponse<CheckNameAvailabilityResponseInner> response) {
                return response.body();
            }
        });
    }

    
Determines whether a resource can be created with the specified name.
Params:
name – The name whose availability is to be checked.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the CheckNameAvailabilityResponseInner object/**
     * Determines whether a resource can be created with the specified name.
     *
     * @param name The name whose availability is to be checked.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the CheckNameAvailabilityResponseInner object
     */
    public Observable<ServiceResponse<CheckNameAvailabilityResponseInner>> checkNameAvailabilityWithServiceResponseAsync(String name) {
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        if (name == null) {
            throw new IllegalArgumentException("Parameter name is required and cannot be null.");
        }
        final String apiVersion = "2014-04-01";
        CheckNameAvailabilityRequest parameters = new CheckNameAvailabilityRequest();
        parameters.withName(name);
        return service.checkNameAvailability(this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<CheckNameAvailabilityResponseInner>>>() {
                @Override
                public Observable<ServiceResponse<CheckNameAvailabilityResponseInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<CheckNameAvailabilityResponseInner> clientResponse = checkNameAvailabilityDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<CheckNameAvailabilityResponseInner> checkNameAvailabilityDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<CheckNameAvailabilityResponseInner, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<CheckNameAvailabilityResponseInner>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets a list of all servers in the subscription.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the PagedList<ServerInner> object if successful./**
     * Gets a list of all servers in the subscription.
     *
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the PagedList&lt;ServerInner&gt; object if successful.
     */
    public PagedList<ServerInner> list() {
        ServiceResponse<Page<ServerInner>> response = listSinglePageAsync().toBlocking().single();
        return new PagedList<ServerInner>(response.body()) {
            @Override
            public Page<ServerInner> nextPage(String nextPageLink) {
                return listNextSinglePageAsync(nextPageLink).toBlocking().single().body();
            }
        };
    }

    
Gets a list of all servers in the subscription.
Params:
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets a list of all servers in the subscription.
     *
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<List<ServerInner>> listAsync(final ListOperationCallback<ServerInner> serviceCallback) {
        return AzureServiceFuture.fromPageResponse(
            listSinglePageAsync(),
            new Func1<String, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(String nextPageLink) {
                    return listNextSinglePageAsync(nextPageLink);
                }
            },
            serviceCallback);
    }

    
Gets a list of all servers in the subscription.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<ServerInner> object/**
     * Gets a list of all servers in the subscription.
     *
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;ServerInner&gt; object
     */
    public Observable<Page<ServerInner>> listAsync() {
        return listWithServiceResponseAsync()
            .map(new Func1<ServiceResponse<Page<ServerInner>>, Page<ServerInner>>() {
                @Override
                public Page<ServerInner> call(ServiceResponse<Page<ServerInner>> response) {
                    return response.body();
                }
            });
    }

    
Gets a list of all servers in the subscription.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<ServerInner> object/**
     * Gets a list of all servers in the subscription.
     *
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;ServerInner&gt; object
     */
    public Observable<ServiceResponse<Page<ServerInner>>> listWithServiceResponseAsync() {
        return listSinglePageAsync()
            .concatMap(new Func1<ServiceResponse<Page<ServerInner>>, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(ServiceResponse<Page<ServerInner>> page) {
                    String nextPageLink = page.body().nextPageLink();
                    if (nextPageLink == null) {
                        return Observable.just(page);
                    }
                    return Observable.just(page).concatWith(listNextWithServiceResponseAsync(nextPageLink));
                }
            });
    }

    
Gets a list of all servers in the subscription.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the PagedList<ServerInner> object wrapped in ServiceResponse if successful./**
     * Gets a list of all servers in the subscription.
     *
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the PagedList&lt;ServerInner&gt; object wrapped in {@link ServiceResponse} if successful.
     */
    public Observable<ServiceResponse<Page<ServerInner>>> listSinglePageAsync() {
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2015-05-01-preview";
        return service.list(this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<PageImpl1<ServerInner>> result = listDelegate(response);
                        return Observable.just(new ServiceResponse<Page<ServerInner>>(result.body(), result.response()));
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<PageImpl1<ServerInner>> listDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<PageImpl1<ServerInner>, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<PageImpl1<ServerInner>>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets a list of servers in a resource groups.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the PagedList<ServerInner> object if successful./**
     * Gets a list of servers in a resource groups.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the PagedList&lt;ServerInner&gt; object if successful.
     */
    public PagedList<ServerInner> listByResourceGroup(final String resourceGroupName) {
        ServiceResponse<Page<ServerInner>> response = listByResourceGroupSinglePageAsync(resourceGroupName).toBlocking().single();
        return new PagedList<ServerInner>(response.body()) {
            @Override
            public Page<ServerInner> nextPage(String nextPageLink) {
                return listByResourceGroupNextSinglePageAsync(nextPageLink).toBlocking().single().body();
            }
        };
    }

    
Gets a list of servers in a resource groups.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets a list of servers in a resource groups.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<List<ServerInner>> listByResourceGroupAsync(final String resourceGroupName, final ListOperationCallback<ServerInner> serviceCallback) {
        return AzureServiceFuture.fromPageResponse(
            listByResourceGroupSinglePageAsync(resourceGroupName),
            new Func1<String, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(String nextPageLink) {
                    return listByResourceGroupNextSinglePageAsync(nextPageLink);
                }
            },
            serviceCallback);
    }

    
Gets a list of servers in a resource groups.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<ServerInner> object/**
     * Gets a list of servers in a resource groups.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;ServerInner&gt; object
     */
    public Observable<Page<ServerInner>> listByResourceGroupAsync(final String resourceGroupName) {
        return listByResourceGroupWithServiceResponseAsync(resourceGroupName)
            .map(new Func1<ServiceResponse<Page<ServerInner>>, Page<ServerInner>>() {
                @Override
                public Page<ServerInner> call(ServiceResponse<Page<ServerInner>> response) {
                    return response.body();
                }
            });
    }

    
Gets a list of servers in a resource groups.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<ServerInner> object/**
     * Gets a list of servers in a resource groups.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;ServerInner&gt; object
     */
    public Observable<ServiceResponse<Page<ServerInner>>> listByResourceGroupWithServiceResponseAsync(final String resourceGroupName) {
        return listByResourceGroupSinglePageAsync(resourceGroupName)
            .concatMap(new Func1<ServiceResponse<Page<ServerInner>>, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(ServiceResponse<Page<ServerInner>> page) {
                    String nextPageLink = page.body().nextPageLink();
                    if (nextPageLink == null) {
                        return Observable.just(page);
                    }
                    return Observable.just(page).concatWith(listByResourceGroupNextWithServiceResponseAsync(nextPageLink));
                }
            });
    }

    
Gets a list of servers in a resource groups.
ServiceResponse> * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the PagedList<ServerInner> object wrapped in ServiceResponse if successful./**
     * Gets a list of servers in a resource groups.
     *
    ServiceResponse<PageImpl1<ServerInner>> * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the PagedList&lt;ServerInner&gt; object wrapped in {@link ServiceResponse} if successful.
     */
    public Observable<ServiceResponse<Page<ServerInner>>> listByResourceGroupSinglePageAsync(final String resourceGroupName) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2015-05-01-preview";
        return service.listByResourceGroup(resourceGroupName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<PageImpl1<ServerInner>> result = listByResourceGroupDelegate(response);
                        return Observable.just(new ServiceResponse<Page<ServerInner>>(result.body(), result.response()));
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<PageImpl1<ServerInner>> listByResourceGroupDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<PageImpl1<ServerInner>, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<PageImpl1<ServerInner>>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the ServerInner object if successful./**
     * Gets a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the ServerInner object if successful.
     */
    public ServerInner getByResourceGroup(String resourceGroupName, String serverName) {
        return getByResourceGroupWithServiceResponseAsync(resourceGroupName, serverName).toBlocking().single().body();
    }

    
Gets a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<ServerInner> getByResourceGroupAsync(String resourceGroupName, String serverName, final ServiceCallback<ServerInner> serviceCallback) {
        return ServiceFuture.fromResponse(getByResourceGroupWithServiceResponseAsync(resourceGroupName, serverName), serviceCallback);
    }

    
Gets a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the ServerInner object/**
     * Gets a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the ServerInner object
     */
    public Observable<ServerInner> getByResourceGroupAsync(String resourceGroupName, String serverName) {
        return getByResourceGroupWithServiceResponseAsync(resourceGroupName, serverName).map(new Func1<ServiceResponse<ServerInner>, ServerInner>() {
            @Override
            public ServerInner call(ServiceResponse<ServerInner> response) {
                return response.body();
            }
        });
    }

    
Gets a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the ServerInner object/**
     * Gets a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the ServerInner object
     */
    public Observable<ServiceResponse<ServerInner>> getByResourceGroupWithServiceResponseAsync(String resourceGroupName, String serverName) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (serverName == null) {
            throw new IllegalArgumentException("Parameter serverName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2015-05-01-preview";
        return service.getByResourceGroup(resourceGroupName, serverName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<ServerInner>>>() {
                @Override
                public Observable<ServiceResponse<ServerInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<ServerInner> clientResponse = getByResourceGroupDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<ServerInner> getByResourceGroupDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<ServerInner, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<ServerInner>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Creates or updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the ServerInner object if successful./**
     * Creates or updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the ServerInner object if successful.
     */
    public ServerInner createOrUpdate(String resourceGroupName, String serverName, ServerInner parameters) {
        return createOrUpdateWithServiceResponseAsync(resourceGroupName, serverName, parameters).toBlocking().last().body();
    }

    
Creates or updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Creates or updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<ServerInner> createOrUpdateAsync(String resourceGroupName, String serverName, ServerInner parameters, final ServiceCallback<ServerInner> serviceCallback) {
        return ServiceFuture.fromResponse(createOrUpdateWithServiceResponseAsync(resourceGroupName, serverName, parameters), serviceCallback);
    }

    
Creates or updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Creates or updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<ServerInner> createOrUpdateAsync(String resourceGroupName, String serverName, ServerInner parameters) {
        return createOrUpdateWithServiceResponseAsync(resourceGroupName, serverName, parameters).map(new Func1<ServiceResponse<ServerInner>, ServerInner>() {
            @Override
            public ServerInner call(ServiceResponse<ServerInner> response) {
                return response.body();
            }
        });
    }

    
Creates or updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Creates or updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<ServiceResponse<ServerInner>> createOrUpdateWithServiceResponseAsync(String resourceGroupName, String serverName, ServerInner parameters) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (serverName == null) {
            throw new IllegalArgumentException("Parameter serverName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        if (parameters == null) {
            throw new IllegalArgumentException("Parameter parameters is required and cannot be null.");
        }
        Validator.validate(parameters);
        final String apiVersion = "2015-05-01-preview";
        Observable<Response<ResponseBody>> observable = service.createOrUpdate(resourceGroupName, serverName, this.client.subscriptionId(), parameters, apiVersion, this.client.acceptLanguage(), this.client.userAgent());
        return client.getAzureClient().getPutOrPatchResultAsync(observable, new TypeToken<ServerInner>() { }.getType());
    }

    
Creates or updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the ServerInner object if successful./**
     * Creates or updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the ServerInner object if successful.
     */
    public ServerInner beginCreateOrUpdate(String resourceGroupName, String serverName, ServerInner parameters) {
        return beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, serverName, parameters).toBlocking().single().body();
    }

    
Creates or updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Creates or updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<ServerInner> beginCreateOrUpdateAsync(String resourceGroupName, String serverName, ServerInner parameters, final ServiceCallback<ServerInner> serviceCallback) {
        return ServiceFuture.fromResponse(beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, serverName, parameters), serviceCallback);
    }

    
Creates or updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the ServerInner object/**
     * Creates or updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the ServerInner object
     */
    public Observable<ServerInner> beginCreateOrUpdateAsync(String resourceGroupName, String serverName, ServerInner parameters) {
        return beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, serverName, parameters).map(new Func1<ServiceResponse<ServerInner>, ServerInner>() {
            @Override
            public ServerInner call(ServiceResponse<ServerInner> response) {
                return response.body();
            }
        });
    }

    
Creates or updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the ServerInner object/**
     * Creates or updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the ServerInner object
     */
    public Observable<ServiceResponse<ServerInner>> beginCreateOrUpdateWithServiceResponseAsync(String resourceGroupName, String serverName, ServerInner parameters) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (serverName == null) {
            throw new IllegalArgumentException("Parameter serverName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        if (parameters == null) {
            throw new IllegalArgumentException("Parameter parameters is required and cannot be null.");
        }
        Validator.validate(parameters);
        final String apiVersion = "2015-05-01-preview";
        return service.beginCreateOrUpdate(resourceGroupName, serverName, this.client.subscriptionId(), parameters, apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<ServerInner>>>() {
                @Override
                public Observable<ServiceResponse<ServerInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<ServerInner> clientResponse = beginCreateOrUpdateDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<ServerInner> beginCreateOrUpdateDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<ServerInner, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<ServerInner>() { }.getType())
                .register(201, new TypeToken<ServerInner>() { }.getType())
                .register(202, new TypeToken<Void>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Deletes a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent/**
     * Deletes a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     */
    public void delete(String resourceGroupName, String serverName) {
        deleteWithServiceResponseAsync(resourceGroupName, serverName).toBlocking().last().body();
    }

    
Deletes a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Deletes a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<Void> deleteAsync(String resourceGroupName, String serverName, final ServiceCallback<Void> serviceCallback) {
        return ServiceFuture.fromResponse(deleteWithServiceResponseAsync(resourceGroupName, serverName), serviceCallback);
    }

    
Deletes a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Deletes a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<Void> deleteAsync(String resourceGroupName, String serverName) {
        return deleteWithServiceResponseAsync(resourceGroupName, serverName).map(new Func1<ServiceResponse<Void>, Void>() {
            @Override
            public Void call(ServiceResponse<Void> response) {
                return response.body();
            }
        });
    }

    
Deletes a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Deletes a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<ServiceResponse<Void>> deleteWithServiceResponseAsync(String resourceGroupName, String serverName) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (serverName == null) {
            throw new IllegalArgumentException("Parameter serverName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2015-05-01-preview";
        Observable<Response<ResponseBody>> observable = service.delete(resourceGroupName, serverName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent());
        return client.getAzureClient().getPostOrDeleteResultAsync(observable, new TypeToken<Void>() { }.getType());
    }

    
Deletes a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent/**
     * Deletes a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     */
    public void beginDelete(String resourceGroupName, String serverName) {
        beginDeleteWithServiceResponseAsync(resourceGroupName, serverName).toBlocking().single().body();
    }

    
Deletes a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Deletes a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<Void> beginDeleteAsync(String resourceGroupName, String serverName, final ServiceCallback<Void> serviceCallback) {
        return ServiceFuture.fromResponse(beginDeleteWithServiceResponseAsync(resourceGroupName, serverName), serviceCallback);
    }

    
Deletes a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceResponse object if successful./**
     * Deletes a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceResponse} object if successful.
     */
    public Observable<Void> beginDeleteAsync(String resourceGroupName, String serverName) {
        return beginDeleteWithServiceResponseAsync(resourceGroupName, serverName).map(new Func1<ServiceResponse<Void>, Void>() {
            @Override
            public Void call(ServiceResponse<Void> response) {
                return response.body();
            }
        });
    }

    
Deletes a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceResponse object if successful./**
     * Deletes a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceResponse} object if successful.
     */
    public Observable<ServiceResponse<Void>> beginDeleteWithServiceResponseAsync(String resourceGroupName, String serverName) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (serverName == null) {
            throw new IllegalArgumentException("Parameter serverName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2015-05-01-preview";
        return service.beginDelete(resourceGroupName, serverName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Void>>>() {
                @Override
                public Observable<ServiceResponse<Void>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<Void> clientResponse = beginDeleteDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<Void> beginDeleteDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<Void, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<Void>() { }.getType())
                .register(202, new TypeToken<Void>() { }.getType())
                .register(204, new TypeToken<Void>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the ServerInner object if successful./**
     * Updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the ServerInner object if successful.
     */
    public ServerInner update(String resourceGroupName, String serverName, ServerUpdate parameters) {
        return updateWithServiceResponseAsync(resourceGroupName, serverName, parameters).toBlocking().last().body();
    }

    
Updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<ServerInner> updateAsync(String resourceGroupName, String serverName, ServerUpdate parameters, final ServiceCallback<ServerInner> serviceCallback) {
        return ServiceFuture.fromResponse(updateWithServiceResponseAsync(resourceGroupName, serverName, parameters), serviceCallback);
    }

    
Updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<ServerInner> updateAsync(String resourceGroupName, String serverName, ServerUpdate parameters) {
        return updateWithServiceResponseAsync(resourceGroupName, serverName, parameters).map(new Func1<ServiceResponse<ServerInner>, ServerInner>() {
            @Override
            public ServerInner call(ServiceResponse<ServerInner> response) {
                return response.body();
            }
        });
    }

    
Updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<ServiceResponse<ServerInner>> updateWithServiceResponseAsync(String resourceGroupName, String serverName, ServerUpdate parameters) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (serverName == null) {
            throw new IllegalArgumentException("Parameter serverName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        if (parameters == null) {
            throw new IllegalArgumentException("Parameter parameters is required and cannot be null.");
        }
        Validator.validate(parameters);
        final String apiVersion = "2015-05-01-preview";
        Observable<Response<ResponseBody>> observable = service.update(resourceGroupName, serverName, this.client.subscriptionId(), parameters, apiVersion, this.client.acceptLanguage(), this.client.userAgent());
        return client.getAzureClient().getPutOrPatchResultAsync(observable, new TypeToken<ServerInner>() { }.getType());
    }

    
Updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the ServerInner object if successful./**
     * Updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the ServerInner object if successful.
     */
    public ServerInner beginUpdate(String resourceGroupName, String serverName, ServerUpdate parameters) {
        return beginUpdateWithServiceResponseAsync(resourceGroupName, serverName, parameters).toBlocking().single().body();
    }

    
Updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<ServerInner> beginUpdateAsync(String resourceGroupName, String serverName, ServerUpdate parameters, final ServiceCallback<ServerInner> serviceCallback) {
        return ServiceFuture.fromResponse(beginUpdateWithServiceResponseAsync(resourceGroupName, serverName, parameters), serviceCallback);
    }

    
Updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the ServerInner object/**
     * Updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the ServerInner object
     */
    public Observable<ServerInner> beginUpdateAsync(String resourceGroupName, String serverName, ServerUpdate parameters) {
        return beginUpdateWithServiceResponseAsync(resourceGroupName, serverName, parameters).map(new Func1<ServiceResponse<ServerInner>, ServerInner>() {
            @Override
            public ServerInner call(ServiceResponse<ServerInner> response) {
                return response.body();
            }
        });
    }

    
Updates a server.
Params:
resourceGroupName – The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
serverName – The name of the server.
parameters – The requested server resource state.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the ServerInner object/**
     * Updates a server.
     *
     * @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
     * @param serverName The name of the server.
     * @param parameters The requested server resource state.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the ServerInner object
     */
    public Observable<ServiceResponse<ServerInner>> beginUpdateWithServiceResponseAsync(String resourceGroupName, String serverName, ServerUpdate parameters) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (serverName == null) {
            throw new IllegalArgumentException("Parameter serverName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        if (parameters == null) {
            throw new IllegalArgumentException("Parameter parameters is required and cannot be null.");
        }
        Validator.validate(parameters);
        final String apiVersion = "2015-05-01-preview";
        return service.beginUpdate(resourceGroupName, serverName, this.client.subscriptionId(), parameters, apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<ServerInner>>>() {
                @Override
                public Observable<ServiceResponse<ServerInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<ServerInner> clientResponse = beginUpdateDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<ServerInner> beginUpdateDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<ServerInner, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<ServerInner>() { }.getType())
                .register(202, new TypeToken<Void>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets a list of all servers in the subscription.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the PagedList<ServerInner> object if successful./**
     * Gets a list of all servers in the subscription.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the PagedList&lt;ServerInner&gt; object if successful.
     */
    public PagedList<ServerInner> listNext(final String nextPageLink) {
        ServiceResponse<Page<ServerInner>> response = listNextSinglePageAsync(nextPageLink).toBlocking().single();
        return new PagedList<ServerInner>(response.body()) {
            @Override
            public Page<ServerInner> nextPage(String nextPageLink) {
                return listNextSinglePageAsync(nextPageLink).toBlocking().single().body();
            }
        };
    }

    
Gets a list of all servers in the subscription.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
serviceFuture – the ServiceFuture object tracking the Retrofit calls
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets a list of all servers in the subscription.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @param serviceFuture the ServiceFuture object tracking the Retrofit calls
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<List<ServerInner>> listNextAsync(final String nextPageLink, final ServiceFuture<List<ServerInner>> serviceFuture, final ListOperationCallback<ServerInner> serviceCallback) {
        return AzureServiceFuture.fromPageResponse(
            listNextSinglePageAsync(nextPageLink),
            new Func1<String, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(String nextPageLink) {
                    return listNextSinglePageAsync(nextPageLink);
                }
            },
            serviceCallback);
    }

    
Gets a list of all servers in the subscription.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<ServerInner> object/**
     * Gets a list of all servers in the subscription.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;ServerInner&gt; object
     */
    public Observable<Page<ServerInner>> listNextAsync(final String nextPageLink) {
        return listNextWithServiceResponseAsync(nextPageLink)
            .map(new Func1<ServiceResponse<Page<ServerInner>>, Page<ServerInner>>() {
                @Override
                public Page<ServerInner> call(ServiceResponse<Page<ServerInner>> response) {
                    return response.body();
                }
            });
    }

    
Gets a list of all servers in the subscription.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<ServerInner> object/**
     * Gets a list of all servers in the subscription.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;ServerInner&gt; object
     */
    public Observable<ServiceResponse<Page<ServerInner>>> listNextWithServiceResponseAsync(final String nextPageLink) {
        return listNextSinglePageAsync(nextPageLink)
            .concatMap(new Func1<ServiceResponse<Page<ServerInner>>, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(ServiceResponse<Page<ServerInner>> page) {
                    String nextPageLink = page.body().nextPageLink();
                    if (nextPageLink == null) {
                        return Observable.just(page);
                    }
                    return Observable.just(page).concatWith(listNextWithServiceResponseAsync(nextPageLink));
                }
            });
    }

    
Gets a list of all servers in the subscription.
ServiceResponse> * @param nextPageLink The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the PagedList<ServerInner> object wrapped in ServiceResponse if successful./**
     * Gets a list of all servers in the subscription.
     *
    ServiceResponse<PageImpl1<ServerInner>> * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the PagedList&lt;ServerInner&gt; object wrapped in {@link ServiceResponse} if successful.
     */
    public Observable<ServiceResponse<Page<ServerInner>>> listNextSinglePageAsync(final String nextPageLink) {
        if (nextPageLink == null) {
            throw new IllegalArgumentException("Parameter nextPageLink is required and cannot be null.");
        }
        String nextUrl = String.format("%s", nextPageLink);
        return service.listNext(nextUrl, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<PageImpl1<ServerInner>> result = listNextDelegate(response);
                        return Observable.just(new ServiceResponse<Page<ServerInner>>(result.body(), result.response()));
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<PageImpl1<ServerInner>> listNextDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<PageImpl1<ServerInner>, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<PageImpl1<ServerInner>>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets a list of servers in a resource groups.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the PagedList<ServerInner> object if successful./**
     * Gets a list of servers in a resource groups.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the PagedList&lt;ServerInner&gt; object if successful.
     */
    public PagedList<ServerInner> listByResourceGroupNext(final String nextPageLink) {
        ServiceResponse<Page<ServerInner>> response = listByResourceGroupNextSinglePageAsync(nextPageLink).toBlocking().single();
        return new PagedList<ServerInner>(response.body()) {
            @Override
            public Page<ServerInner> nextPage(String nextPageLink) {
                return listByResourceGroupNextSinglePageAsync(nextPageLink).toBlocking().single().body();
            }
        };
    }

    
Gets a list of servers in a resource groups.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
serviceFuture – the ServiceFuture object tracking the Retrofit calls
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets a list of servers in a resource groups.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @param serviceFuture the ServiceFuture object tracking the Retrofit calls
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<List<ServerInner>> listByResourceGroupNextAsync(final String nextPageLink, final ServiceFuture<List<ServerInner>> serviceFuture, final ListOperationCallback<ServerInner> serviceCallback) {
        return AzureServiceFuture.fromPageResponse(
            listByResourceGroupNextSinglePageAsync(nextPageLink),
            new Func1<String, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(String nextPageLink) {
                    return listByResourceGroupNextSinglePageAsync(nextPageLink);
                }
            },
            serviceCallback);
    }

    
Gets a list of servers in a resource groups.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<ServerInner> object/**
     * Gets a list of servers in a resource groups.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;ServerInner&gt; object
     */
    public Observable<Page<ServerInner>> listByResourceGroupNextAsync(final String nextPageLink) {
        return listByResourceGroupNextWithServiceResponseAsync(nextPageLink)
            .map(new Func1<ServiceResponse<Page<ServerInner>>, Page<ServerInner>>() {
                @Override
                public Page<ServerInner> call(ServiceResponse<Page<ServerInner>> response) {
                    return response.body();
                }
            });
    }

    
Gets a list of servers in a resource groups.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<ServerInner> object/**
     * Gets a list of servers in a resource groups.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;ServerInner&gt; object
     */
    public Observable<ServiceResponse<Page<ServerInner>>> listByResourceGroupNextWithServiceResponseAsync(final String nextPageLink) {
        return listByResourceGroupNextSinglePageAsync(nextPageLink)
            .concatMap(new Func1<ServiceResponse<Page<ServerInner>>, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(ServiceResponse<Page<ServerInner>> page) {
                    String nextPageLink = page.body().nextPageLink();
                    if (nextPageLink == null) {
                        return Observable.just(page);
                    }
                    return Observable.just(page).concatWith(listByResourceGroupNextWithServiceResponseAsync(nextPageLink));
                }
            });
    }

    
Gets a list of servers in a resource groups.
ServiceResponse> * @param nextPageLink The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the PagedList<ServerInner> object wrapped in ServiceResponse if successful./**
     * Gets a list of servers in a resource groups.
     *
    ServiceResponse<PageImpl1<ServerInner>> * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the PagedList&lt;ServerInner&gt; object wrapped in {@link ServiceResponse} if successful.
     */
    public Observable<ServiceResponse<Page<ServerInner>>> listByResourceGroupNextSinglePageAsync(final String nextPageLink) {
        if (nextPageLink == null) {
            throw new IllegalArgumentException("Parameter nextPageLink is required and cannot be null.");
        }
        String nextUrl = String.format("%s", nextPageLink);
        return service.listByResourceGroupNext(nextUrl, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Page<ServerInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<ServerInner>>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<PageImpl1<ServerInner>> result = listByResourceGroupNextDelegate(response);
                        return Observable.just(new ServiceResponse<Page<ServerInner>>(result.body(), result.response()));
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<PageImpl1<ServerInner>> listByResourceGroupNextDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<PageImpl1<ServerInner>, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<PageImpl1<ServerInner>>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

}