/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2013, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers.internal.synchronization.work;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import org.hibernate.Session;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.envers.RevisionType;
import org.hibernate.envers.configuration.internal.AuditEntitiesConfiguration;
import org.hibernate.envers.configuration.spi.AuditConfiguration;
import org.hibernate.envers.strategy.AuditStrategy;
/**
* @author Adam Warski (adam at warski dot org)
* @author Stephanie Pau at Markit Group Plc
* @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
*/
public abstract class AbstractAuditWorkUnit implements AuditWorkUnit {
protected final SessionImplementor sessionImplementor;
protected final AuditConfiguration verCfg;
protected final Serializable id;
protected final String entityName;
protected final AuditStrategy auditStrategy;
protected final RevisionType revisionType;
private Object performedData;
protected AbstractAuditWorkUnit(
SessionImplementor sessionImplementor, String entityName, AuditConfiguration verCfg,
Serializable id, RevisionType revisionType) {
this.sessionImplementor = sessionImplementor;
this.verCfg = verCfg;
this.id = id;
this.entityName = entityName;
this.revisionType = revisionType;
this.auditStrategy = verCfg.getAuditStrategy();
}
protected void fillDataWithId(Map<String, Object> data, Object revision) {
final AuditEntitiesConfiguration entitiesCfg = verCfg.getAuditEntCfg();
final Map<String, Object> originalId = new HashMap<String, Object>();
originalId.put( entitiesCfg.getRevisionFieldName(), revision );
verCfg.getEntCfg().get( getEntityName() ).getIdMapper().mapToMapFromId( originalId, id );
data.put( entitiesCfg.getRevisionTypePropName(), revisionType );
data.put( entitiesCfg.getOriginalIdPropName(), originalId );
}
@Override
public void perform(Session session, Object revisionData) {
final Map<String, Object> data = generateData( revisionData );
auditStrategy.perform( session, getEntityName(), verCfg, id, data, revisionData );
setPerformed( data );
}
@Override
public Serializable getEntityId() {
return id;
}
@Override
public boolean isPerformed() {
return performedData != null;
}
@Override
public String getEntityName() {
return entityName;
}
protected void setPerformed(Object performedData) {
this.performedData = performedData;
}
public void undo(Session session) {
if ( isPerformed() ) {
session.delete( verCfg.getAuditEntCfg().getAuditEntityName( getEntityName() ), performedData );
session.flush();
}
}
@Override
public RevisionType getRevisionType() {
return revisionType;
}
}