001/* 002 * Copyright 2002-2014 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.hibernate4; 018 019import org.hibernate.HibernateException; 020import org.hibernate.Session; 021 022import org.springframework.transaction.support.TransactionSynchronizationAdapter; 023 024/** 025 * Simple synchronization adapter that propagates a {@code flush()} call 026 * to the underlying Hibernate Session. Used in combination with JTA. 027 * 028 * @author Juergen Hoeller 029 * @since 3.1 030 */ 031public class SpringFlushSynchronization extends TransactionSynchronizationAdapter { 032 033 private final Session session; 034 035 036 public SpringFlushSynchronization(Session session) { 037 this.session = session; 038 } 039 040 041 @Override 042 public void flush() { 043 try { 044 SessionFactoryUtils.logger.debug("Flushing Hibernate Session on explicit request"); 045 this.session.flush(); 046 } 047 catch (HibernateException ex) { 048 throw SessionFactoryUtils.convertHibernateAccessException(ex); 049 } 050 } 051 052 053 @Override 054 public boolean equals(Object obj) { 055 return (obj instanceof SpringFlushSynchronization && 056 this.session == ((SpringFlushSynchronization) obj).session); 057 } 058 059 @Override 060 public int hashCode() { 061 return this.session.hashCode(); 062 } 063 064}