/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.bigdata.journal;
import com.bigdata.btree.IndexInconsistentError;
import com.bigdata.rwstore.IRWStrategy;
/**
* Defines the callback object called on commit that enables the deferred
* delete blocks to be associated with a CommitRecord.
*
* @author Martyn Cutcher
*
*/
public class DeleteBlockCommitter implements ICommitter {
private final IRWStrategy m_strategy;
private volatile Throwable error = null;
public DeleteBlockCommitter(final IRWStrategy strategy) {
m_strategy = strategy;
}
@Override
public long handleCommit(final long commitTime) {
if (error != null)
throw new IndexInconsistentError(error);
return m_strategy.saveDeferrals();
}
@Override
public void invalidate(final Throwable t) {
if (t == null)
throw new IllegalArgumentException();
if (error == null)
error = t;
}
}