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/*
* 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.hibernate4;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;
import org.hibernate.service.jta.platform.internal.AbstractJtaPlatform;
import org.springframework.transaction.jta.UserTransactionAdapter;
import org.springframework.util.Assert;
/**
* Implementation of Hibernate 4's {@link org.hibernate.service.jta.platform.spi.JtaPlatform}
* SPI, exposing passed-in {@link TransactionManager} and {@link UserTransaction} references.
*
* @author Juergen Hoeller
* @since 3.1.2
*/
@SuppressWarnings("serial")
class ConfigurableJtaPlatform extends AbstractJtaPlatform {
private final TransactionManager transactionManager;
private final UserTransaction userTransaction;
/**
* Create a new ConfigurableJtaPlatform instance with the given
* JTA TransactionManager and optionally a given UserTransaction.
* @param tm the JTA TransactionManager reference (required)
* @param ut the JTA UserTransaction reference (optional)
*/
public ConfigurableJtaPlatform(TransactionManager tm, UserTransaction ut) {
Assert.notNull(tm, "TransactionManager reference must not be null");
this.transactionManager = tm;
this.userTransaction = (ut != null ? ut : new UserTransactionAdapter(tm));
}
@Override
protected TransactionManager locateTransactionManager() {
return this.transactionManager;
}
@Override
protected UserTransaction locateUserTransaction() {
return this.userTransaction;
}
@Override
protected boolean canCacheTransactionManager() {
return true;
}
@Override
protected boolean canCacheUserTransaction() {
return true;
}
}