/*
* Copyright (c) 2011-2016 The original author or authors
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.servicediscovery.types.impl;
import io.vertx.core.Vertx;
import io.vertx.core.eventbus.MessageConsumer;
import io.vertx.core.json.JsonObject;
import io.vertx.servicediscovery.Record;
import io.vertx.servicediscovery.ServiceDiscovery;
import io.vertx.servicediscovery.ServiceReference;
import io.vertx.servicediscovery.types.AbstractServiceReference;
import io.vertx.servicediscovery.types.MessageSource;
import java.util.Objects;
Service type for data producer. Providers are publishing data to a specific event bus address.
Author: Clement Escoffier
/**
* Service type for data producer. Providers are publishing data to a specific event bus address.
*
* @author <a href="http://escoffier.me">Clement Escoffier</a>
*/
public class MessageSourceImpl implements MessageSource {
public static final String TYPE = "message-source";
@Override
public String name() {
return TYPE;
}
@Override
public ServiceReference
get(Vertx vertx, ServiceDiscovery discovery, Record record, JsonObject configuration) {
Objects.requireNonNull(vertx);
Objects.requireNonNull(record);
Objects.requireNonNull(discovery);
return new MessageSourceReference(vertx, discovery, record);
}
Implementation of ServiceReference
for data producer. /**
* Implementation of {@link ServiceReference} for data producer.
*/
private class MessageSourceReference<X> extends AbstractServiceReference<MessageConsumer<X>> {
MessageSourceReference(Vertx vertx, ServiceDiscovery discovery, Record record) {
super(vertx, discovery, record);
}
Creates the event bus consumer for the service.
Returns: the consumer
/**
* Creates the event bus consumer for the service.
*
* @return the consumer
*/
@Override
public MessageConsumer<X> retrieve() {
return vertx.eventBus().consumer(record().getLocation().getString(Record.ENDPOINT));
}
@Override
protected void onClose() {
service.unregister();
}
}
}