org.hibernate.tuple.component.ComponentEntityModeToTuplizerMapping 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
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* copy, or redistribute it subject to the terms and conditions of the GNU
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*
* 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:
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*/
package org.hibernate.tuple.component;
import org.hibernate.tuple.EntityModeToTuplizerMapping;
import org.hibernate.tuple.Tuplizer;
import org.hibernate.mapping.Component;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.EntityMode;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.io.Serializable;
/**
* Handles mapping {@link EntityMode}s to {@link ComponentTuplizer}s.
*
* Most of the handling is really in the super class; here we just create
* the tuplizers and add them to the superclass
*
* @author Steve Ebersole
*/
class ComponentEntityModeToTuplizerMapping extends EntityModeToTuplizerMapping implements Serializable {
// todo : move this to SF per HHH-3517; also see HHH-1907 and ComponentMetamodel
private ComponentTuplizerFactory componentTuplizerFactory = new ComponentTuplizerFactory();
public ComponentEntityModeToTuplizerMapping(Component component) {
PersistentClass owner = component.getOwner();
// create our own copy of the user-supplied tuplizer impl map
Map userSuppliedTuplizerImpls = new HashMap();
if ( component.getTuplizerMap() != null ) {
userSuppliedTuplizerImpls.putAll( component.getTuplizerMap() );
}
// Build the dynamic-map tuplizer...
Tuplizer dynamicMapTuplizer;
String tuplizerClassName = ( String ) userSuppliedTuplizerImpls.remove( EntityMode.MAP );
if ( tuplizerClassName == null ) {
dynamicMapTuplizer = componentTuplizerFactory.constructDefaultTuplizer( EntityMode.MAP, component );
}
else {
dynamicMapTuplizer = componentTuplizerFactory.constructTuplizer( tuplizerClassName, component );
}
// then the pojo tuplizer, using the dynamic-map tuplizer if no pojo representation is available
tuplizerClassName = ( String ) userSuppliedTuplizerImpls.remove( EntityMode.POJO );
Tuplizer pojoTuplizer;
if ( owner.hasPojoRepresentation() && component.hasPojoRepresentation() ) {
if ( tuplizerClassName == null ) {
pojoTuplizer = componentTuplizerFactory.constructDefaultTuplizer( EntityMode.POJO, component );
}
else {
pojoTuplizer = componentTuplizerFactory.constructTuplizer( tuplizerClassName, component );
}
}
else {
pojoTuplizer = dynamicMapTuplizer;
}
// then dom4j tuplizer, if dom4j representation is available
Tuplizer dom4jTuplizer;
tuplizerClassName = ( String ) userSuppliedTuplizerImpls.remove( EntityMode.DOM4J );
if ( owner.hasDom4jRepresentation() ) {
if ( tuplizerClassName == null ) {
dom4jTuplizer = componentTuplizerFactory.constructDefaultTuplizer( EntityMode.DOM4J, component );
}
else {
dom4jTuplizer = componentTuplizerFactory.constructTuplizer( tuplizerClassName, component );
}
}
else {
dom4jTuplizer = null;
}
// put the "standard" tuplizers into the tuplizer map first
if ( pojoTuplizer != null ) {
addTuplizer( EntityMode.POJO, pojoTuplizer );
}
if ( dynamicMapTuplizer != null ) {
addTuplizer( EntityMode.MAP, dynamicMapTuplizer );
}
if ( dom4jTuplizer != null ) {
addTuplizer( EntityMode.DOM4J, dom4jTuplizer );
}
// then handle any user-defined entity modes...
if ( !userSuppliedTuplizerImpls.isEmpty() ) {
Iterator itr = userSuppliedTuplizerImpls.entrySet().iterator();
while ( itr.hasNext() ) {
final Map.Entry entry = ( Map.Entry ) itr.next();
final EntityMode entityMode = ( EntityMode ) entry.getKey();
final String userTuplizerClassName = ( String ) entry.getValue();
ComponentTuplizer tuplizer = componentTuplizerFactory.constructTuplizer( userTuplizerClassName, component );
addTuplizer( entityMode, tuplizer );
}
}
}
}