/*
* Copyright DataStax, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.datastax.dse.driver.internal.core.cql.continuous;
import com.datastax.dse.driver.api.core.cql.continuous.ContinuousAsyncResultSet;
import com.datastax.oss.driver.api.core.cql.Statement;
import com.datastax.oss.driver.api.core.session.Request;
import com.datastax.oss.driver.api.core.type.reflect.GenericType;
import com.datastax.oss.driver.internal.core.context.InternalDriverContext;
import com.datastax.oss.driver.internal.core.session.DefaultSession;
import com.datastax.oss.driver.internal.core.session.RequestProcessor;
import com.datastax.oss.driver.internal.core.util.concurrent.CompletableFutures;
import java.util.concurrent.CompletionStage;
import net.jcip.annotations.ThreadSafe;
@ThreadSafe
public class ContinuousCqlRequestAsyncProcessor
implements RequestProcessor<Statement<?>, CompletionStage<ContinuousAsyncResultSet>> {
public static final GenericType<CompletionStage<ContinuousAsyncResultSet>>
CONTINUOUS_RESULT_ASYNC = new GenericType<CompletionStage<ContinuousAsyncResultSet>>() {};
@Override
public boolean canProcess(Request request, GenericType<?> resultType) {
return request instanceof Statement && resultType.equals(CONTINUOUS_RESULT_ASYNC);
}
@Override
public CompletionStage<ContinuousAsyncResultSet> process(
Statement<?> request,
DefaultSession session,
InternalDriverContext context,
String sessionLogPrefix) {
return new ContinuousCqlRequestHandler(request, session, context, sessionLogPrefix).handle();
}
@Override
public CompletionStage<ContinuousAsyncResultSet> newFailure(RuntimeException error) {
return CompletableFutures.failedFuture(error);
}
}