| /* |
| * 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 org.apache.aries.jpa.blueprint.impl; |
| |
| import javax.persistence.EntityManager; |
| |
| import org.osgi.service.coordinator.Coordination; |
| import org.osgi.service.coordinator.Participant; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| final class ResourceLocalTransactionParticipant implements Participant { |
| private static final Logger LOG = LoggerFactory.getLogger(ResourceLocalTransactionParticipant.class); |
| private final EntityManager em; |
| |
| ResourceLocalTransactionParticipant(EntityManager em) { |
| this.em = em; |
| em.getTransaction().begin(); |
| } |
| |
| @Override |
| public void failed(Coordination coordination) throws Exception { |
| em.getTransaction().setRollbackOnly(); |
| } |
| |
| @Override |
| public void ended(Coordination coordination) throws Exception { |
| if (em.getTransaction().getRollbackOnly()) { |
| try { |
| em.getTransaction().rollback(); |
| } catch (Exception e) { |
| LOG.debug("Exception on transaction rollback", e); |
| } |
| } else { |
| em.getTransaction().commit(); |
| } |
| } |
| } |