io.bitsensor.plugins.shaded.org.springframework.amqp.rabbit.connection.RabbitAccessor Maven / Gradle / Ivy
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/*
* Copyright 2002-2016 the original author or authors.
*
* 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 io.bitsensor.plugins.shaded.io.bitsensor.plugins.shaded.org.springframework.amqp.rabbit.connection;
import java.io.IOException;
import io.bitsensor.plugins.shaded.org.apache.commons.logging.Log;
import io.bitsensor.plugins.shaded.org.apache.commons.logging.LogFactory;
import io.bitsensor.plugins.shaded.io.bitsensor.plugins.shaded.org.springframework.amqp.rabbit.support.RabbitExceptionTranslator;
import io.bitsensor.plugins.shaded.org.springframework.beans.factory.InitializingBean;
import io.bitsensor.plugins.shaded.org.springframework.util.Assert;
import io.bitsensor.plugins.shaded.com.rabbitmq.client.Channel;
/**
* @author Mark Fisher
* @author Dave Syer
* @author Gary Russell
*/
public abstract class RabbitAccessor implements InitializingBean {
/** Logger available to subclasses */
protected final Log logger = LogFactory.getLog(getClass());
private volatile ConnectionFactory connectionFactory;
private volatile boolean transactional;
public boolean isChannelTransacted() {
return this.transactional;
}
/**
* Flag to indicate that channels created by this component will be transactional.
*
* @param transactional the flag value to set
*/
public void setChannelTransacted(boolean transactional) {
this.transactional = transactional;
}
/**
* Set the ConnectionFactory to use for obtaining RabbitMQ {@link Connection Connections}.
*
* @param connectionFactory The connection factory.
*/
public void setConnectionFactory(ConnectionFactory connectionFactory) {
this.connectionFactory = connectionFactory;
}
/**
* @return The ConnectionFactory that this accessor uses for obtaining RabbitMQ {@link Connection Connections}.
*/
public ConnectionFactory getConnectionFactory() {
return this.connectionFactory;
}
@Override
public void afterPropertiesSet() {
Assert.notNull(this.connectionFactory, "ConnectionFactory is required");
}
/**
* Create a RabbitMQ Connection via this template's ConnectionFactory and its host and port values.
* @return the new RabbitMQ Connection
* @throws IOException if thrown by RabbitMQ API methods
* @see ConnectionFactory#createConnection
*/
protected Connection createConnection() throws IOException {
return this.connectionFactory.createConnection();
}
/**
* Fetch an appropriate Connection from the given RabbitResourceHolder.
*
* @param holder the RabbitResourceHolder
* @return an appropriate Connection fetched from the holder, or null
if none found
*/
protected Connection getConnection(RabbitResourceHolder holder) {
return holder.getConnection();
}
/**
* Fetch an appropriate Channel from the given RabbitResourceHolder.
*
* @param holder the RabbitResourceHolder
* @return an appropriate Channel fetched from the holder, or null
if none found
*/
protected Channel getChannel(RabbitResourceHolder holder) {
return holder.getChannel();
}
protected RabbitResourceHolder getTransactionalResourceHolder() {
return ConnectionFactoryUtils.getTransactionalResourceHolder(this.connectionFactory, isChannelTransacted());
}
protected RuntimeException convertRabbitAccessException(Exception ex) {
return RabbitExceptionTranslator.convertRabbitAccessException(ex);
}
}