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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.server.queue;
import org.apache.qpid.framing.AMQDataBlock;
import org.apache.qpid.framing.ContentHeaderBody;
import org.apache.qpid.framing.abstraction.ContentChunk;
import org.apache.qpid.framing.abstraction.MessagePublishInfo;
import org.apache.qpid.server.protocol.AMQProtocolSession;
import org.apache.qpid.server.store.StoreContext;
import org.apache.qpid.AMQException;
import java.util.Iterator;
public interface AMQMessage
{
//Get Content relating to this message
Long getMessageId();
Iterator<AMQDataBlock> getBodyFrameIterator(AMQProtocolSession protocolSession, int channel);
Iterator<ContentChunk> getContentBodyIterator();
ContentHeaderBody getContentHeaderBody();
ContentChunk getContentChunk(int index);
Object getPublisherClientInstance();
Object getPublisherIdentifier();
MessagePublishInfo getMessagePublishInfo();
int getBodyCount();
long getSize();
long getArrivalTime();
//Check the status of this message
/**
* Called selectors to determin if the message has already been sent
*
* @return _deliveredToConsumer
*/
boolean getDeliveredToConsumer();
/**
* Called to enforce the 'immediate' flag.
*
* @returns true if the message is marked for immediate delivery but has not been marked as delivered
* to a consumer
*/
boolean immediateAndNotDelivered();
/**
* Checks to see if the message has expired. If it has the message is dequeued.
*
* @return true if the message has expire
*
* @throws org.apache.qpid.AMQException
*/
boolean expired() throws AMQException;
/** Is this a persistent message
*
* @return true if the message is persistent
*/
boolean isPersistent();
/**
* Called when this message is delivered to a consumer. (used to implement the 'immediate' flag functionality).
* And for selector efficiency.
*/
void setDeliveredToConsumer();
void setExpiration(long expiration);
void setClientIdentifier(AMQProtocolSession.ProtocolSessionIdentifier sessionIdentifier);
/**
* This is called when all the content has been received.
* @param storeContext
*@param messagePublishInfo
* @param contentHeaderBody @throws org.apache.qpid.AMQException
*/
void setPublishAndContentHeaderBody(StoreContext storeContext, MessagePublishInfo messagePublishInfo, ContentHeaderBody contentHeaderBody)
throws AMQException;
void addContentBodyFrame(StoreContext storeContext, ContentChunk contentChunk, boolean isLastContentBody)
throws AMQException;
String toString();
String debugIdentity();
}
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