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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.MessageAppendBody;
import org.apache.qpid.framing.MessageCancelBody;
import org.apache.qpid.framing.MessageCheckpointBody;
import org.apache.qpid.framing.MessageCloseBody;
import org.apache.qpid.framing.MessageConsumeBody;
import org.apache.qpid.framing.MessageEmptyBody;
import org.apache.qpid.framing.MessageGetBody;
import org.apache.qpid.framing.MessageOffsetBody;
import org.apache.qpid.framing.MessageOkBody;
import org.apache.qpid.framing.MessageOpenBody;
import org.apache.qpid.framing.MessageQosBody;
import org.apache.qpid.framing.MessageRecoverBody;
import org.apache.qpid.framing.MessageRejectBody;
import org.apache.qpid.framing.MessageResumeBody;
import org.apache.qpid.framing.MessageTransferBody;
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 AMQP Message class.
* You need an instance of this class per channel.
* A @see AMQPMessageCallBack class is taken as an argument in the constructor.
* A client can use this class to issue Message class methods on the broker.
* When the broker issues Message class methods on the client, the client is notified
* via the AMQPMessageCallBack interface.
*
* A JMS Message producer implementation can wrap an instance if this and map
* JMS method calls to the appropriate AMQP methods.
*
* AMQPMessageCallBack can be implemented by the JMS MessageConsumer implementation.
*
*/
public class AMQPMessage extends AMQPCallBackSupport implements AMQPMethodListener
{
private Phase _phase;
private AMQPMessageCallBack _messageCb;
protected AMQPMessage(int channelId,Phase phase,AMQPMessageCallBack messageCb)
{
super(channelId);
_phase = phase;
_messageCb = messageCb;
}
/**
* -----------------------------------------------
* API Methods
* -----------------------------------------------
*/
public void transfer(MessageTransferBody messageTransferBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageTransferBody,cb);
_phase.messageSent(msg);
}
public void consume(MessageConsumeBody messageConsumeBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageConsumeBody,cb);
_phase.messageSent(msg);
}
public void cancel(MessageCancelBody messageCancelBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageCancelBody,cb);
_phase.messageSent(msg);
}
public void get(MessageGetBody messageGetBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageGetBody,cb);
_phase.messageSent(msg);
}
public void recover(MessageRecoverBody messageRecoverBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageRecoverBody,cb);
_phase.messageSent(msg);
}
public void open(MessageOpenBody messageOpenBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageOpenBody,cb);
_phase.messageSent(msg);
}
public void close(MessageCloseBody messageCloseBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageCloseBody,cb);
_phase.messageSent(msg);
}
public void append(MessageAppendBody messageAppendBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageAppendBody,cb);
_phase.messageSent(msg);
}
public void checkpoint(MessageCheckpointBody messageCheckpointBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageCheckpointBody,cb);
_phase.messageSent(msg);
}
public void resume(MessageResumeBody messageResumeBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageResumeBody,cb);
_phase.messageSent(msg);
}
public void qos(MessageQosBody messageQosBody,AMQPCallBack cb) throws AMQPException
{
AMQPMethodEvent msg = handleAsynchronousCall(messageQosBody,cb);
_phase.messageSent(msg);
}
/**
* The correlationId from the request.
* For example if a message.transfer is sent with correlationId "ABCD"
* then u need to pass that in. This correlation id is used by the execution layer
* to handle the correlation of method requests and responses
*/
public void ok(MessageOkBody messageOkBody,long correlationId) throws AMQPException
{
AMQPMethodEvent msg = new AMQPMethodEvent(_channelId,messageOkBody,correlationId);
_phase.messageSent(msg);
}
/**
* The correlationId from the request.
* For example if a message.transfer is sent with correlationId "ABCD"
* then u need to pass that in. This correlation id is used by the execution layer
* to handle the correlation of method requests and responses
*/
public void reject(MessageRejectBody messageRejectBody,long correlationId) throws AMQPException
{
AMQPMethodEvent msg = new AMQPMethodEvent(_channelId,messageRejectBody,correlationId);
_phase.messageSent(msg);
}
/**
* The correlationId from the request.
* For example if a message.resume is sent with correlationId "ABCD"
* then u need to pass that in. This correlation id is used by the execution layer
* to handle the correlation of method requests and responses
*/
public void offset(MessageOffsetBody messageOffsetBody,long correlationId) throws AMQPException
{
AMQPMethodEvent msg = new AMQPMethodEvent(_channelId,messageOffsetBody,correlationId);
_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 MessageOkBody ||
methodBody instanceof MessageRejectBody ||
methodBody instanceof MessageEmptyBody)
{
invokeCallBack(localCorrelationId,methodBody);
return true;
}
else if (methodBody instanceof MessageTransferBody)
{
_messageCb.transfer((MessageTransferBody)methodBody, evt.getCorrelationId());
return true;
}
else if (methodBody instanceof MessageAppendBody)
{
_messageCb.append((MessageAppendBody)methodBody, evt.getCorrelationId());
return true;
}
else if (methodBody instanceof MessageOpenBody)
{
_messageCb.open((MessageOpenBody)methodBody, evt.getCorrelationId());
return true;
}
else if (methodBody instanceof MessageCloseBody)
{
_messageCb.close((MessageCloseBody)methodBody, evt.getCorrelationId());
return true;
}
else if (methodBody instanceof MessageCheckpointBody)
{
_messageCb.checkpoint((MessageCheckpointBody)methodBody, evt.getCorrelationId());
return true;
}
else if (methodBody instanceof MessageRecoverBody)
{
_messageCb.recover((MessageRecoverBody)methodBody, evt.getCorrelationId());
return true;
}
else if (methodBody instanceof MessageResumeBody)
{
_messageCb.resume((MessageResumeBody)methodBody, evt.getCorrelationId());
return true;
}
else
{
return false;
}
}
}
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