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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.berkeleydb.tuple;
import com.sleepycat.bind.tuple.TupleBinding;
import com.sleepycat.bind.tuple.TupleInput;
import com.sleepycat.bind.tuple.TupleOutput;
import org.apache.qpid.server.store.berkeleydb.entry.Xid;
public class XidBinding extends TupleBinding<Xid>
{
private static final XidBinding INSTANCE = new XidBinding();
public static XidBinding getInstance()
{
return INSTANCE;
}
/** private constructor forces getInstance instead */
private XidBinding() { }
@Override
public Xid entryToObject(TupleInput input)
{
long format = input.readLong();
byte[] globalId = new byte[input.readInt()];
input.readFast(globalId);
byte[] branchId = new byte[input.readInt()];
input.readFast(branchId);
return new Xid(format,globalId,branchId);
}
@Override
public void objectToEntry(Xid xid, TupleOutput output)
{
output.writeLong(xid.getFormat());
output.writeInt(xid.getGlobalId() == null ? 0 : xid.getGlobalId().length);
if(xid.getGlobalId() != null)
{
output.write(xid.getGlobalId());
}
output.writeInt(xid.getBranchId() == null ? 0 : xid.getBranchId().length);
if(xid.getBranchId() != null)
{
output.write(xid.getBranchId());
}
}
}
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