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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.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.apache.qpid.framing.EncodingUtils;
import org.apache.qpid.server.plugin.MessageMetaDataType;
import org.apache.qpid.server.util.ByteBufferOutputStream;
public class TestMessageMetaData implements StorableMessageMetaData
{
public static final MessageMetaDataType.Factory<TestMessageMetaData> FACTORY = new TestMessageMetaDataFactory();
private static final TestMessageMetaDataType TYPE = new TestMessageMetaDataType();
private int _contentSize;
private long _messageId;
public TestMessageMetaData(long messageId, int contentSize)
{
_contentSize = contentSize;
_messageId = messageId;
}
@Override
public int getContentSize()
{
return _contentSize;
}
@Override
public int getStorableSize()
{
int storeableSize = 8 + //message id, long, 8bytes/64bits
4; //content size, int, 4bytes/32bits
return storeableSize;
}
@Override
public MessageMetaDataType getType()
{
return TYPE;
}
@Override
public boolean isPersistent()
{
return true;
}
@Override
public int writeToBuffer(ByteBuffer dest)
{
int oldPosition = dest.position();
try
{
DataOutputStream dataOutputStream = new DataOutputStream(new ByteBufferOutputStream(dest));
EncodingUtils.writeLong(dataOutputStream, _messageId);
EncodingUtils.writeInteger(dataOutputStream, _contentSize);
}
catch (IOException e)
{
// This shouldn't happen as we are not actually using anything that can throw an IO Exception
throw new RuntimeException(e);
}
return dest.position() - oldPosition;
};
}
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