Java tutorial
/* * Copyright 2015 Svetoslav Videnov <s.videnov@dsg.tuwien.ac.at>. * * 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 at.ac.tuwien.dsg.cloud.utilities.messaging.lightweight.rabbitMq.channel; import at.ac.tuwien.dsg.cloud.utilities.messaging.api.Discovery; import at.ac.tuwien.dsg.cloud.utilities.messaging.lightweight.rabbitMq.RabbitMqFactory; import at.ac.tuwien.dsg.cloud.utilities.messaging.lightweight.rabbitMq.RabbitMqMessage; import at.ac.tuwien.dsg.cloud.utilities.messaging.lightweight.util.Serializer; import com.rabbitmq.client.Channel; import java.io.IOException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * * @author Svetoslav Videnov <s.videnov@dsg.tuwien.ac.at> */ public class SendingChannel extends ARabbitChannel { private static Logger logger = LoggerFactory.getLogger(SendingChannel.class); public SendingChannel(Discovery discovery, Serializer serializer, RabbitMqFactory rabbitMqFactory) { super(discovery, serializer, rabbitMqFactory); } public void sendMessage(String type, RabbitMqMessage msg) throws ChannelException { try { byte[] body = this.serializer.serialze(msg); Channel channel = this.getChannel(); channel.basicPublish(ARabbitChannel.EXCHANGE_NAME, type, null, body); channel.close(); } catch (IOException ex) { logger.error(String.format("Error while sending message with type %s!", type), ex); } } }