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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.txn;
import org.apache.log4j.Logger;
import java.util.List;
import java.util.LinkedList;
/**
* Created by Arnaud Simon
* Date: 03-May-2007
* Time: 14:30:41
*/
public class MemoryTransaction implements Transaction
{
//========================================================================
// Static Constants
//========================================================================
// The logger for this class
private static final Logger _log = Logger.getLogger(MemoryTransaction.class);
//========================================================================
// Instance Fields
//========================================================================
// Indicates whether this transaction is prepared
private boolean _prepared = false;
// Indicates that this transaction has heuristically rolled back
private boolean _heurRollBack = false;
// The list of Abstract records associated with this tx
private List<TransactionRecord> _records = new LinkedList<TransactionRecord>();
// The date when this tx has been created.
private long _dateCreated;
// The timeout in seconds
private long _timeout;
//=========================================================
// Constructors
//=========================================================
/**
* Create a transaction that wraps a BDB tx and set the creation date.
*
*/
public MemoryTransaction()
{
_dateCreated = System.currentTimeMillis();
}
//=========================================================
// Getter and Setter methods
//=========================================================
/**
* Notify that this tx has been prepared
*/
public void prepare()
{
_prepared = true;
}
/**
* Specify whether this transaction is prepared
*
* @return true if this transaction is prepared, false otherwise
*/
public boolean isPrepared()
{
return _prepared;
}
/**
* Notify that this tx has been heuristically rolled back
*/
public void heurRollback()
{
_heurRollBack = true;
}
/**
* Specify whether this transaction has been heuristically rolled back
*
* @return true if this transaction has been heuristically rolled back , false otherwise
*/
public boolean isHeurRollback()
{
return _heurRollBack;
}
/**
* Add an abstract record to this tx.
*
* @param record The record to be added
*/
public void addRecord(TransactionRecord record)
{
_records.add(record);
}
/**
* Get the list of records associated with this tx.
*
* @return The list of records associated with this tx.
*/
public List<TransactionRecord> getrecords()
{
return _records;
}
/**
* Set this tx timeout
*
* @param timeout This tx timeout in seconds
*/
public void setTimeout(long timeout)
{
_timeout = timeout;
}
/**
* Get this tx timeout
*
* @return This tx timeout in seconds
*/
public long getTimeout()
{
return _timeout;
}
/**
* Specify whether this tx has expired
*
* @return true if this tx has expired, false otherwise
*/
public boolean hasExpired()
{
long currentDate = System.currentTimeMillis();
boolean result = currentDate - _dateCreated > _timeout * 1000;
if (_log.isDebugEnabled())
{
_log.debug("transaction has expired");
}
return result;
}
}
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