/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.synchronization.work;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import org.hibernate.envers.RevisionType;
import org.hibernate.envers.configuration.AuditConfiguration;
import org.hibernate.envers.configuration.AuditEntitiesConfiguration;
import org.hibernate.Session;
import org.hibernate.engine.SessionImplementor;
/**
* @author Adam Warski (adam at warski dot org)
*/
public abstract class AbstractAuditWorkUnit implements AuditWorkUnit {
protected final SessionImplementor sessionImplementor;
protected final AuditConfiguration verCfg;
protected final Serializable id;
protected final String entityName;
private Object performedData;
protected AbstractAuditWorkUnit(SessionImplementor sessionImplementor, String entityName, AuditConfiguration verCfg,
Serializable id) {
this.sessionImplementor = sessionImplementor;
this.verCfg = verCfg;
this.id = id;
this.entityName = entityName;
}
protected void fillDataWithId(Map<String, Object> data, Object revision, RevisionType revisionType) {
AuditEntitiesConfiguration entitiesCfg = verCfg.getAuditEntCfg();
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);
}
public void perform(Session session, Object revisionData) {
Map<String, Object> data = generateData(revisionData);
session.save(verCfg.getAuditEntCfg().getAuditEntityName(getEntityName()), data);
setPerformed(data);
}
public Object getEntityId() {
return id;
}
public boolean isPerformed() {
return performedData != null;
}
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();
}
}
}