//$Id: DefaultDirtyCheckEventListener.java 7785 2005-08-08 23:24:44Z oneovthafew $
package org.hibernate.event.def;
import org.hibernate.HibernateException;
import org.hibernate.event.DirtyCheckEvent;
import org.hibernate.event.DirtyCheckEventListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Defines the default dirty-check event listener used by hibernate for
* checking the session for dirtiness in response to generated dirty-check
* events.
*
* @author Steve Ebersole
*/
public class DefaultDirtyCheckEventListener extends AbstractFlushingEventListener implements DirtyCheckEventListener {
private static final Log log = LogFactory.getLog(DefaultDirtyCheckEventListener.class);
/** Handle the given dirty-check event.
*
* @param event The dirty-check event to be handled.
* @throws HibernateException
*/
public void onDirtyCheck(DirtyCheckEvent event) throws HibernateException {
int oldSize = event.getSession().getActionQueue().numberOfCollectionRemovals();
try {
flushEverythingToExecutions(event);
boolean wasNeeded = event.getSession().getActionQueue().hasAnyQueuedActions();
log.debug( wasNeeded ? "session dirty" : "session not dirty" );
event.setDirty( wasNeeded );
}
finally {
event.getSession().getActionQueue().clearFromFlushNeededCheck( oldSize );
}
}
}
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