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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.qpid.nclient.amqp;
import org.apache.qpid.framing.AMQMethodBody;
import org.apache.qpid.framing.ExchangeDeclareBody;
import org.apache.qpid.framing.ExchangeDeclareOkBody;
import org.apache.qpid.framing.ExchangeDeleteBody;
import org.apache.qpid.framing.ExchangeDeleteOkBody;
import org.apache.qpid.nclient.amqp.event.AMQPMethodEvent;
import org.apache.qpid.nclient.amqp.event.AMQPMethodListener;
import org.apache.qpid.nclient.core.AMQPException;
import org.apache.qpid.nclient.core.Phase;
/**
*
* This class represents the Exchange class defined in AMQP.
* Each method takes an @see AMQPCallBack object if it wants to know
* the response from the broker to particular method.
* Clients can handle the reponse asynchronously or block for a response
* using AMQPCallBack.isComplete() periodically using a loop.
*/
public class AMQPExchange extends AMQPCallBackSupport implements AMQPMethodListener
{
private Phase _phase;
protected AMQPExchange(int channelId,Phase phase)
{
super(channelId);
_phase = phase;
}
/**
* -----------------------------------------------
* API Methods
* -----------------------------------------------
*/
public void declare(ExchangeDeclareBody exchangeDeclareBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleNoWait(exchangeDeclareBody.nowait,exchangeDeclareBody,cb);
_phase.messageSent(msg);
}
public void delete(ExchangeDeleteBody exchangeDeleteBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleNoWait(exchangeDeleteBody.nowait,exchangeDeleteBody,cb);
_phase.messageSent(msg);
}
/**-------------------------------------------
* AMQPMethodListener methods
*--------------------------------------------
*/
public <B extends AMQMethodBody> boolean methodReceived(AMQPMethodEvent<B> evt) throws AMQPException
{
long localCorrelationId = evt.getLocalCorrelationId();
AMQMethodBody methodBody = evt.getMethod();
if ( methodBody instanceof ExchangeDeclareOkBody || methodBody instanceof ExchangeDeleteOkBody)
{
invokeCallBack(localCorrelationId,methodBody);
return true;
}
else
{
return false;
}
}
}
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