Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package at.irian.demo.jsfatwork.repository.jpa; import at.irian.demo.jsfatwork.domain.AbstractDomainObject; import at.irian.demo.jsfatwork.domain.DomainQueryDetails; import at.irian.demo.jsfatwork.domain.Group; import at.irian.demo.jsfatwork.domain.User; import at.irian.demo.jsfatwork.repository.jpa.AbstractGenericJpaRepository; import at.irian.demo.jsfatwork.repository.GroupRepository; import org.springframework.stereotype.Repository; import javax.persistence.Query; import java.util.List; /** * @author JSF@Work Project Team */ @Repository public class JpaGroupRepository extends AbstractGenericJpaRepository<Group> implements GroupRepository { protected Class<? extends AbstractDomainObject> getEntityClass() { return Group.class; } public Group createNewEntity() { return new Group(); } public List<Group> loadAllFor(User user) { Query query = this.entityManager.createNamedQuery(DomainQueryDetails.FIND_SUBSCRIBED_GROUPS); query.setParameter(DomainQueryDetails.PARAMETER_USER, user); return query.getResultList(); } public List<Group> loadUnSubscribedGroups(User user) { Query query = this.entityManager.createNamedQuery(DomainQueryDetails.FIND_UNSUBSCRIBED_GROUPS); query.setParameter(DomainQueryDetails.PARAMETER_USER, user); return query.getResultList(); } }