001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.tide.spring.data;
023
024import java.io.Serializable;
025
026import javax.persistence.EntityManager;
027
028import org.springframework.data.jpa.repository.JpaRepository;
029import org.springframework.data.jpa.repository.support.JpaRepositoryFactory;
030import org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean;
031import org.springframework.data.repository.core.RepositoryMetadata;
032import org.springframework.data.repository.core.support.RepositoryFactorySupport;
033
034public class FilterableJpaRepositoryFactoryBean<R extends JpaRepository<T, I>, T, I extends Serializable> extends JpaRepositoryFactoryBean<R, T, I> {
035
036        @Override
037        protected RepositoryFactorySupport createRepositoryFactory(EntityManager entityManager) {
038                return new FilterableJpaRepositoryFactory<T, I>(entityManager);
039        }
040        
041        private static class FilterableJpaRepositoryFactory<T, I extends Serializable> extends JpaRepositoryFactory {
042
043                private EntityManager entityManager;
044
045                public FilterableJpaRepositoryFactory(EntityManager entityManager) {
046                        super(entityManager);
047
048                        this.entityManager = entityManager;
049                }
050                
051                @SuppressWarnings("unchecked")
052                @Override
053                protected Object getTargetRepository(RepositoryMetadata metadata) {
054                        return new FilterableJpaRepositoryImpl<T, I>((Class<T>)metadata.getDomainType(), entityManager);
055                }
056
057                @Override
058                protected Class<?> getRepositoryBaseClass(RepositoryMetadata metadata) {
059                        return FilterableJpaRepository.class;
060                }
061        }
062}