org.hibernate.envers.synchronization.work.AbstractAuditWorkUnit Maven / Gradle / Ivy
/*
* 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.
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*/
package org.hibernate.envers.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.AuditConfiguration;
import org.hibernate.envers.configuration.AuditEntitiesConfiguration;
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 data, Object revision) {
AuditEntitiesConfiguration entitiesCfg = verCfg.getAuditEntCfg();
Map originalId = new HashMap();
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 data = generateData(revisionData);
auditStrategy.perform(session, getEntityName(), verCfg, id, data, revisionData);
setPerformed(data);
}
public Serializable 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();
}
}
public RevisionType getRevisionType() {
return revisionType;
}
}