/*
* 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.cfg;
import javax.persistence.Column;
import javax.persistence.EmbeddedId;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import org.hibernate.AnnotationException;
import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.annotations.common.reflection.XProperty;
import org.hibernate.mapping.Component;
import org.hibernate.mapping.Join;
import org.hibernate.mapping.KeyValue;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.Table;
/**
* Component implementation of property holder
*
* @author Emmanuel Bernard
*/
public class ComponentPropertyHolder extends AbstractPropertyHolder {
//TODO introduce a overrideTable() method for columns held by sec table rather than the hack
// joinsPerRealTableName in ClassPropertyHolder
private Component component;
private boolean isOrWithinEmbeddedId;
public String getEntityName() {
return component.getComponentClassName();
}
public void addProperty(Property prop, Ejb3Column[] columns, XClass declaringClass) {
//Ejb3Column.checkPropertyConsistency( ); //already called earlier
/*
* Check table matches between the component and the columns
* if not, change the component table if no properties are set
* if a property is set already the core cannot support that
*/
if (columns != null) {
Table table = columns[0].getTable();
if ( !table.equals( component.getTable() ) ) {
if ( component.getPropertySpan() == 0 ) {
component.setTable( table );
}
else {
throw new AnnotationException(
"A component cannot hold properties split into 2 different tables: "
+ this.getPath()
);
}
}
}
addProperty( prop, declaringClass );
}
public Join addJoin(JoinTable joinTableAnn, boolean noDelayInPkColumnCreation) {
return parent.addJoin( joinTableAnn, noDelayInPkColumnCreation );
}
public ComponentPropertyHolder(
Component component, String path, PropertyData inferredData, PropertyHolder parent,
ExtendedMappings mappings
) {
super( path, parent, inferredData.getPropertyClass(), mappings );
final XProperty property = inferredData.getProperty();
setCurrentProperty( property );
this.component = component;
this.isOrWithinEmbeddedId =
parent.isOrWithinEmbeddedId()
|| ( property != null &&
( property.isAnnotationPresent( Id.class )
|| property.isAnnotationPresent( EmbeddedId.class ) ) );
}
public String getClassName() {
return component.getComponentClassName();
}
public String getEntityOwnerClassName() {
return component.getOwner().getClassName();
}
public Table getTable() {
return component.getTable();
}
public void addProperty(Property prop, XClass declaringClass) {
component.addProperty( prop );
}
public KeyValue getIdentifier() {
return component.getOwner().getIdentifier();
}
public boolean isOrWithinEmbeddedId() {
return isOrWithinEmbeddedId;
}
public PersistentClass getPersistentClass() {
return component.getOwner();
}
public boolean isComponent() {
return true;
}
public boolean isEntity() {
return false;
}
public void setParentProperty(String parentProperty) {
component.setParentProperty( parentProperty );
}
@Override
public Column[] getOverriddenColumn(String propertyName) {
//FIXME this is yukky
Column[] result = super.getOverriddenColumn( propertyName );
if ( result == null ) {
String userPropertyName = extractUserPropertyName( "id", propertyName );
if ( userPropertyName != null ) result = super.getOverriddenColumn( userPropertyName );
}
if ( result == null ) {
String userPropertyName = extractUserPropertyName( "_identifierMapper", propertyName );
if ( userPropertyName != null ) result = super.getOverriddenColumn( userPropertyName );
}
return result;
}
private String extractUserPropertyName(String redundantString, String propertyName) {
String result = null;
String className = component.getOwner().getClassName();
if ( propertyName.startsWith( className )
&& propertyName.length() > className.length() + 2 + redundantString.length() // .id.
&& propertyName.substring(
className.length() + 1, className.length() + 1 + redundantString.length()
).equals( redundantString )
) {
//remove id we might be in a @IdCLass case
result = className + propertyName.substring( className.length() + 1 + redundantString.length() );
}
return result;
}
@Override
public JoinColumn[] getOverriddenJoinColumn(String propertyName) {
return super.getOverriddenJoinColumn( propertyName );
}
}