Java tutorial
/* * Copyright 2013, 2014, 2015 EnergyOS.org * * Licensed 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 org.energyos.espi.common.repositories.jpa; import java.util.List; import java.util.UUID; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import org.energyos.espi.common.domain.ApplicationInformation; import org.energyos.espi.common.repositories.ApplicationInformationRepository; import org.springframework.stereotype.Repository; import org.springframework.transaction.annotation.Transactional; @Repository @Transactional(rollbackFor = { javax.xml.bind.JAXBException.class }, noRollbackFor = { javax.persistence.NoResultException.class, org.springframework.dao.EmptyResultDataAccessException.class }) public class ApplicationInformationRepositoryImpl implements ApplicationInformationRepository { @PersistenceContext protected EntityManager em; @Override public ApplicationInformation findById(Long id) { return (ApplicationInformation) em.createNamedQuery(ApplicationInformation.QUERY_FIND_BY_ID) .setParameter("id", id).getSingleResult(); } @Override @SuppressWarnings("unchecked") public List<ApplicationInformation> findByKind(String kind) { return (List<ApplicationInformation>) this.em.createNamedQuery(ApplicationInformation.QUERY_FIND_BY_KIND) .setParameter("kind", kind).getResultList(); } @Override @SuppressWarnings("unchecked") public List<ApplicationInformation> findAll() { return (List<ApplicationInformation>) this.em.createNamedQuery(ApplicationInformation.QUERY_FIND_ALL) .getResultList(); } @Override @Transactional(rollbackFor = { javax.xml.bind.JAXBException.class }, noRollbackFor = { javax.persistence.NoResultException.class, org.springframework.dao.EmptyResultDataAccessException.class }) public void persist(ApplicationInformation applicationInformation) { em.persist(applicationInformation); } @Override public ApplicationInformation findByUUID(UUID uuid) { return (ApplicationInformation) em.createNamedQuery(ApplicationInformation.QUERY_FIND_BY_UUID) .setParameter("uuid", uuid.toString().toUpperCase()).getSingleResult(); } @Override public ApplicationInformation findByClientId(String clientId) { return (ApplicationInformation) em.createNamedQuery(ApplicationInformation.QUERY_FIND_BY_CLIENT_ID) .setParameter("clientId", clientId).getSingleResult(); } @Override public ApplicationInformation findByDataCustodianClientId(String dataCustodianId) { return (ApplicationInformation) em .createNamedQuery(ApplicationInformation.QUERY_FIND_BY_DATA_CUSTODIAN_CLIENT_ID) .setParameter("dataCustodianId", dataCustodianId).getSingleResult(); } @SuppressWarnings("unchecked") @Override public List<Long> findAllIds() { return (List<Long>) this.em.createNamedQuery(ApplicationInformation.QUERY_FIND_ALL_IDS).getResultList(); } @Override @Transactional(rollbackFor = { javax.xml.bind.JAXBException.class }, noRollbackFor = { javax.persistence.NoResultException.class, org.springframework.dao.EmptyResultDataAccessException.class }) public void deleteById(Long id) { em.remove(findById(id)); } }