//$Id: $
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.ExtendedMappings;
import org.hibernate.cfg.PropertyData;
import org.hibernate.cfg.PropertyInferredData;
import org.hibernate.cfg.WrappedInferredData;
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;
import org.hibernate.util.StringHelper;
/**
* @author Emmanuel Bernard
*/
public class IdBagBinder extends BagBinder {
protected Collection createCollection(PersistentClass persistentClass) {
return new org.hibernate.mapping.IdentifierBag( 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, ExtendedMappings 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( 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
);
Table table = collection.getCollectionTable();
simpleValue.setTable( table );
simpleValue.setColumns( idColumns );
Type typeAnn = collectionIdAnn.type();
if ( typeAnn != null && !BinderHelper.isDefault( 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;
}
}