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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.store;
import java.nio.ByteBuffer;
public class StoredMemoryMessage implements StoredMessage
{
private final long _messageNumber;
private final ByteBuffer _content;
private final StorableMessageMetaData _metaData;
public StoredMemoryMessage(long messageNumber, StorableMessageMetaData metaData)
{
_messageNumber = messageNumber;
_metaData = metaData;
_content = ByteBuffer.allocate(metaData.getContentSize());
}
public long getMessageNumber()
{
return _messageNumber;
}
public void addContent(int offsetInMessage, ByteBuffer src)
{
src = src.duplicate();
ByteBuffer dst = _content.duplicate();
dst.position(offsetInMessage);
dst.put(src);
}
public int getContent(int offset, ByteBuffer dst)
{
ByteBuffer src = _content.duplicate();
src.position(offset);
src = src.slice();
if(dst.remaining() < src.limit())
{
src.limit(dst.remaining());
}
dst.put(src);
return src.limit();
}
public TransactionLog.StoreFuture flushToStore()
{
return MessageStore.IMMEDIATE_FUTURE;
}
public StorableMessageMetaData getMetaData()
{
return _metaData;
}
public void remove()
{
}
}
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