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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.framing;
import org.apache.mina.common.ByteBuffer;
import org.apache.qpid.protocol.AMQVersionAwareProtocolSession;
public class AMQRequestBody extends AMQBody
{
public static final byte TYPE = (byte)AmqpConstants.frameRequestAsInt();
// Fields declared in specification
protected long requestId;
protected long responseMark;
protected AMQMethodBody methodPayload;
protected AMQVersionAwareProtocolSession protocolSession;
// Constructor
public AMQRequestBody(AMQVersionAwareProtocolSession protocolSession)
{
this.protocolSession = protocolSession;
}
public AMQRequestBody(long requestId, long responseMark,
AMQMethodBody methodPayload)
{
this.requestId = requestId;
this.responseMark = responseMark;
this.methodPayload = methodPayload;
protocolSession = null;
}
// Field methods
public long getRequestId() { return requestId; }
public long getResponseMark() { return responseMark; }
public AMQMethodBody getMethodPayload() { return methodPayload; }
public byte getFrameType()
{
return TYPE;
}
protected int getSize()
{
return 8 + 8 + 4 + methodPayload.getSize();
}
protected void writePayload(ByteBuffer buffer)
{
EncodingUtils.writeLong(buffer, requestId);
EncodingUtils.writeLong(buffer, responseMark);
EncodingUtils.writeInteger(buffer, 0); // reserved, set to 0
methodPayload.writePayload(buffer);
}
protected void populateFromBuffer(ByteBuffer buffer, long size)
throws AMQFrameDecodingException
{
if (protocolSession == null)
{
throw new AMQFrameDecodingException("Cannot call populateFromBuffer() without using correct constructor.");
}
requestId = EncodingUtils.readLong(buffer);
responseMark = EncodingUtils.readLong(buffer);
int reserved = EncodingUtils.readInteger(buffer); // reserved, throw away
AMQMethodBodyFactory methodBodyFactory = new AMQMethodBodyFactory(protocolSession);
methodPayload = methodBodyFactory.createBody(buffer, size);
}
public String toString()
{
return "Req[" + requestId + " " + responseMark + "] C" +
methodPayload.getClazz() + " M" + methodPayload.getMethod();
}
public static AMQFrame createAMQFrame(int channelId, long requestId,
long responseMark, AMQMethodBody methodPayload)
{
AMQRequestBody requestFrame = new AMQRequestBody(requestId, responseMark,
methodPayload);
return new AMQFrame(channelId, requestFrame);
}
}
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