/*
* Copyright 2002-2017 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.hibernate5;
import javax.transaction.Status;
import javax.transaction.Synchronization;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import javax.transaction.TransactionSynchronizationRegistry;
import javax.transaction.UserTransaction;
import org.hibernate.TransactionException;
import org.hibernate.engine.transaction.jta.platform.spi.JtaPlatform;
import org.springframework.lang.Nullable;
import org.springframework.transaction.jta.UserTransactionAdapter;
import org.springframework.util.Assert;
Implementation of Hibernate 5's JtaPlatform SPI, exposing passed-in TransactionManager
, UserTransaction
and TransactionSynchronizationRegistry
references. Author: Juergen Hoeller Since: 4.2
/**
* Implementation of Hibernate 5's JtaPlatform SPI, exposing passed-in {@link TransactionManager},
* {@link UserTransaction} and {@link TransactionSynchronizationRegistry} references.
*
* @author Juergen Hoeller
* @since 4.2
*/
@SuppressWarnings("serial")
class ConfigurableJtaPlatform implements JtaPlatform {
private final TransactionManager transactionManager;
private final UserTransaction userTransaction;
@Nullable
private final TransactionSynchronizationRegistry transactionSynchronizationRegistry;
Create a new ConfigurableJtaPlatform instance with the given
JTA TransactionManager and optionally a given UserTransaction.
Params: - tm – the JTA TransactionManager reference (required)
- ut – the JTA UserTransaction reference (optional)
- tsr – the JTA 1.1 TransactionSynchronizationRegistry (optional)
/**
* 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)
* @param tsr the JTA 1.1 TransactionSynchronizationRegistry (optional)
*/
public ConfigurableJtaPlatform(TransactionManager tm, @Nullable UserTransaction ut,
@Nullable TransactionSynchronizationRegistry tsr) {
Assert.notNull(tm, "TransactionManager reference must not be null");
this.transactionManager = tm;
this.userTransaction = (ut != null ? ut : new UserTransactionAdapter(tm));
this.transactionSynchronizationRegistry = tsr;
}
@Override
public TransactionManager retrieveTransactionManager() {
return this.transactionManager;
}
@Override
public UserTransaction retrieveUserTransaction() {
return this.userTransaction;
}
@Override
public Object getTransactionIdentifier(Transaction transaction) {
return transaction;
}
@Override
public boolean canRegisterSynchronization() {
try {
return (this.transactionManager.getStatus() == Status.STATUS_ACTIVE);
}
catch (SystemException ex) {
throw new TransactionException("Could not determine JTA transaction status", ex);
}
}
@Override
public void registerSynchronization(Synchronization synchronization) {
if (this.transactionSynchronizationRegistry != null) {
this.transactionSynchronizationRegistry.registerInterposedSynchronization(synchronization);
}
else {
try {
this.transactionManager.getTransaction().registerSynchronization(synchronization);
}
catch (Exception ex) {
throw new TransactionException("Could not access JTA Transaction to register synchronization", ex);
}
}
}
@Override
public int getCurrentStatus() throws SystemException {
return this.transactionManager.getStatus();
}
}