org.hibernate.metamodel.source.annotations.attribute.type.CompositeAttributeTypeResolver Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, 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.metamodel.source.annotations.attribute.type;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.hibernate.AssertionFailure;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.internal.util.collections.CollectionHelper;
/**
* @author Strong Liu
*/
public class CompositeAttributeTypeResolver implements AttributeTypeResolver {
private List resolvers = new ArrayList();
private final AttributeTypeResolverImpl explicitHibernateTypeResolver;
public CompositeAttributeTypeResolver(AttributeTypeResolverImpl explicitHibernateTypeResolver) {
if ( explicitHibernateTypeResolver == null ) {
throw new AssertionFailure( "The Given AttributeTypeResolver is null." );
}
this.explicitHibernateTypeResolver = explicitHibernateTypeResolver;
}
public void addHibernateTypeResolver(AttributeTypeResolver resolver) {
if ( resolver == null ) {
throw new AssertionFailure( "The Given AttributeTypeResolver is null." );
}
resolvers.add( resolver );
}
@Override
public String getExplicitHibernateTypeName() {
String type = explicitHibernateTypeResolver.getExplicitHibernateTypeName();
if ( StringHelper.isEmpty( type ) ) {
for ( AttributeTypeResolver resolver : resolvers ) {
type = resolver.getExplicitHibernateTypeName();
if ( StringHelper.isNotEmpty( type ) ) {
break;
}
}
}
return type;
}
@Override
public Map getExplicitHibernateTypeParameters() {
Map parameters = explicitHibernateTypeResolver.getExplicitHibernateTypeParameters();
if ( CollectionHelper.isEmpty( parameters ) ) {
for ( AttributeTypeResolver resolver : resolvers ) {
parameters = resolver.getExplicitHibernateTypeParameters();
if ( CollectionHelper.isNotEmpty( parameters ) ) {
break;
}
}
}
return parameters;
}
}