/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, 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.cfg.annotations;
import java.util.Collections;
import java.util.Map;
import org.hibernate.AnnotationException;
import org.hibernate.annotations.CollectionId;
import org.hibernate.annotations.Type;
import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.annotations.common.reflection.XProperty;
import org.hibernate.cfg.BinderHelper;
import org.hibernate.cfg.Ejb3Column;
import org.hibernate.cfg.Ejb3JoinColumn;
import org.hibernate.cfg.Mappings;
import org.hibernate.cfg.PropertyData;
import org.hibernate.cfg.PropertyInferredData;
import org.hibernate.cfg.WrappedInferredData;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.mapping.Collection;
import org.hibernate.mapping.IdentifierCollection;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.SimpleValue;
import org.hibernate.mapping.Table;
/**
* @author Emmanuel Bernard
*/
public class IdBagBinder extends BagBinder {
protected Collection createCollection(PersistentClass persistentClass) {
return new org.hibernate.mapping.IdentifierBag( getMappings(), persistentClass );
}
@Override
protected boolean bindStarToManySecondPass(
Map persistentClasses,
XClass collType,
Ejb3JoinColumn[] fkJoinColumns,
Ejb3JoinColumn[] keyColumns,
Ejb3JoinColumn[] inverseColumns,
Ejb3Column[] elementColumns,
boolean isEmbedded,
XProperty property,
boolean unique,
TableBinder associationTableBinder,
boolean ignoreNotFound,
Mappings mappings) {
boolean result = super.bindStarToManySecondPass(
persistentClasses, collType, fkJoinColumns, keyColumns, inverseColumns, elementColumns, isEmbedded,
property, unique, associationTableBinder, ignoreNotFound, mappings
);
CollectionId collectionIdAnn = property.getAnnotation( CollectionId.class );
if ( collectionIdAnn != null ) {
SimpleValueBinder simpleValue = new SimpleValueBinder();
PropertyData propertyData = new WrappedInferredData(
new PropertyInferredData(
null,
property,
null, //default access should not be useful
mappings.getReflectionManager()
),
"id"
);
Ejb3Column[] idColumns = Ejb3Column.buildColumnFromAnnotation(
collectionIdAnn.columns(),
null,
Nullability.FORCED_NOT_NULL,
propertyHolder,
propertyData,
Collections.EMPTY_MAP,
mappings
);
//we need to make sure all id columns must be not-null.
for(Ejb3Column idColumn:idColumns){
idColumn.setNullable(false);
}
Table table = collection.getCollectionTable();
simpleValue.setTable( table );
simpleValue.setColumns( idColumns );
Type typeAnn = collectionIdAnn.type();
if ( typeAnn != null && !BinderHelper.isEmptyAnnotationValue( typeAnn.type() ) ) {
simpleValue.setExplicitType( typeAnn );
}
else {
throw new AnnotationException( "@CollectionId is missing type: "
+ StringHelper.qualify( propertyHolder.getPath(), propertyName ) );
}
simpleValue.setMappings( mappings );
SimpleValue id = simpleValue.make();
( (IdentifierCollection) collection ).setIdentifier( id );
String generator = collectionIdAnn.generator();
String generatorType;
if ( "identity".equals( generator ) || "assigned".equals( generator )
|| "sequence".equals( generator ) || "native".equals( generator ) ) {
generatorType = generator;
generator = "";
}
else {
generatorType = null;
}
BinderHelper.makeIdGenerator( id, generatorType, generator, mappings, localGenerators );
}
return result;
}
}