/* * Copyright 2002-2012 the original author or authors. * * 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.springframework.orm.hibernate3; import javax.sql.DataSource; import org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy; /** * Subclass of LocalDataSourceConnectionProvider that returns a * transaction-aware proxy for the exposed DataSource. Used if * LocalSessionFactoryBean's "useTransactionAwareDataSource" flag is on. * * @author Juergen Hoeller * @since 1.2 * @see LocalSessionFactoryBean#setUseTransactionAwareDataSource * @deprecated as of Spring 4.3, in favor of Hibernate 4.x/5.x */ @Deprecated public class TransactionAwareDataSourceConnectionProvider extends LocalDataSourceConnectionProvider { /** * Return a TransactionAwareDataSourceProxy for the given DataSource, * provided that it isn't a TransactionAwareDataSourceProxy already. */ @Override protected DataSource getDataSourceToUse(DataSource originalDataSource) { if (originalDataSource instanceof TransactionAwareDataSourceProxy) { return originalDataSource; } return new TransactionAwareDataSourceProxy(originalDataSource); } /** * This implementation returns {@code true}: We can guarantee * to receive the same Connection within a transaction, as we are * exposing a TransactionAwareDataSourceProxy. */ @Override public boolean supportsAggressiveRelease() { return true; } }