Java tutorial
/* * Copyright 2010 BigData Mx * * 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 mx.bigdata.utils.amqp; import java.util.Map; import java.util.HashMap; import com.rabbitmq.client.AMQP; import com.rabbitmq.client.ConnectionFactory; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Consumer; import com.rabbitmq.client.DefaultConsumer; import com.rabbitmq.client.Envelope; import com.rabbitmq.client.QueueingConsumer; import com.rabbitmq.client.ShutdownSignalException; import mx.bigdata.utils.amqp.AMQPClientHelper; public abstract class HaConsumer extends ReconnectingConsumer { private final static int DEFAULT_HEARTBEAT_SECONDS = 50; public HaConsumer(String tag, String key, AMQPClientHelper amqp, ConnectionFactory factory) { super(tag, key, amqp, factory); if (factory.getRequestedHeartbeat() == 0) { factory.setRequestedHeartbeat(DEFAULT_HEARTBEAT_SECONDS); } } public HaConsumer(String tag, String key, AMQPClientHelper amqp) throws Exception { this(tag, key, amqp, amqp.createConnectionFactory(key)); } protected String createQueue(Channel channel, String key) throws Exception { return amqp.createQueue(channel, key, true, false, false); } }