001/* 002 * Copyright 2002-2012 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.transaction.support; 018 019import org.springframework.transaction.PlatformTransactionManager; 020 021/** 022 * Extension of the {@link org.springframework.transaction.PlatformTransactionManager} 023 * interface, indicating a native resource transaction manager, operating on a single 024 * target resource. Such transaction managers differ from JTA transaction managers in 025 * that they do not use XA transaction enlistment for an open number of resources but 026 * rather focus on leveraging the native power and simplicity of a single target resource. 027 * 028 * <p>This interface is mainly used for abstract introspection of a transaction manager, 029 * giving clients a hint on what kind of transaction manager they have been given 030 * and on what concrete resource the transaction manager is operating on. 031 * 032 * @author Juergen Hoeller 033 * @since 2.0.4 034 * @see TransactionSynchronizationManager 035 */ 036public interface ResourceTransactionManager extends PlatformTransactionManager { 037 038 /** 039 * Return the resource factory that this transaction manager operates on, 040 * e.g. a JDBC DataSource or a JMS ConnectionFactory. 041 * <p>This target resource factory is usually used as resource key for 042 * {@link TransactionSynchronizationManager}'s resource bindings per thread. 043 * @return the target resource factory (never {@code null}) 044 * @see TransactionSynchronizationManager#bindResource 045 * @see TransactionSynchronizationManager#getResource 046 */ 047 Object getResourceFactory(); 048 049}