Java tutorial
/** * Abiquo community edition * cloud management application for hybrid clouds * Copyright (C) 2008-2010 - Abiquo Holdings S.L. * * This application is free software; you can redistribute it and/or * modify it under the terms of the GNU LESSER GENERAL PUBLIC * LICENSE as published by the Free Software Foundation under * version 3 of the License * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * LESSER GENERAL PUBLIC LICENSE v.3 for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ package com.abiquo.commons.amqp.impl.ha; import static com.abiquo.commons.amqp.impl.ha.HAConfiguration.HA_QUEUE; import static com.abiquo.commons.amqp.util.ConsumerUtils.ackMessage; import static com.abiquo.commons.amqp.util.ConsumerUtils.rejectMessage; import java.io.IOException; import com.abiquo.commons.amqp.consumer.BasicConsumer; import com.abiquo.commons.amqp.impl.ha.domain.HATask; import com.rabbitmq.client.Envelope; public class HAConsumer extends BasicConsumer<HACallback> { public HAConsumer() { super(new HAConfiguration(), HA_QUEUE); } @Override public void consume(Envelope envelope, byte[] body) throws IOException { HATask task = HATask.fromByteArray(body); if (task != null) { for (HACallback callback : callbacks) { callback.executeHighAvailabilityTask(task); } ackMessage(getChannel(), envelope.getDeliveryTag()); } else { rejectMessage(getChannel(), envelope.getDeliveryTag()); } } }