001/*
002 * Copyright 2002-2007 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.orm.jdo;
018
019import javax.jdo.PersistenceManager;
020
021import org.springframework.transaction.support.ResourceHolderSupport;
022import org.springframework.util.Assert;
023
024/**
025 * Holder wrapping a JDO PersistenceManager.
026 * JdoTransactionManager binds instances of this class
027 * to the thread, for a given PersistenceManagerFactory.
028 *
029 * <p>Note: This is an SPI class, not intended to be used by applications.
030 *
031 * @author Juergen Hoeller
032 * @since 03.06.2003
033 * @see JdoTransactionManager
034 * @see PersistenceManagerFactoryUtils
035 */
036public class PersistenceManagerHolder extends ResourceHolderSupport {
037
038        private final PersistenceManager persistenceManager;
039
040        private boolean transactionActive;
041
042
043        public PersistenceManagerHolder(PersistenceManager persistenceManager) {
044                Assert.notNull(persistenceManager, "PersistenceManager must not be null");
045                this.persistenceManager = persistenceManager;
046        }
047
048
049        public PersistenceManager getPersistenceManager() {
050                return this.persistenceManager;
051        }
052
053        protected void setTransactionActive(boolean transactionActive) {
054                this.transactionActive = transactionActive;
055        }
056
057        protected boolean isTransactionActive() {
058                return this.transactionActive;
059        }
060
061        @Override
062        public void clear() {
063                super.clear();
064                this.transactionActive = false;
065        }
066
067}