spring JtaTransactionObject 源码
spring JtaTransactionObject 代码
文件路径：/spring-tx/src/main/java/org/springframework/transaction/jta/JtaTransactionObject.java
/*
* Copyright 2002-2018 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
*
* https://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.transaction.jta;
import jakarta.transaction.Status;
import jakarta.transaction.SystemException;
import jakarta.transaction.UserTransaction;
import org.springframework.transaction.TransactionSystemException;
import org.springframework.transaction.support.SmartTransactionObject;
import org.springframework.transaction.support.TransactionSynchronizationUtils;
/**
* JTA transaction object, representing a {@link jakarta.transaction.UserTransaction}.
* Used as transaction object by Spring's {@link JtaTransactionManager}.
*
* <p>Note: This is an SPI class, not intended to be used by applications.
*
* @author Juergen Hoeller
* @since 1.1
* @see JtaTransactionManager
* @see jakarta.transaction.UserTransaction
*/
public class JtaTransactionObject implements SmartTransactionObject {
private final UserTransaction userTransaction;
boolean resetTransactionTimeout = false;
/**
* Create a new JtaTransactionObject for the given JTA UserTransaction.
* @param userTransaction the JTA UserTransaction for the current transaction
* (either a shared object or retrieved through a fresh per-transaction lookup)
*/
public JtaTransactionObject(UserTransaction userTransaction) {
this.userTransaction = userTransaction;
}
/**
* Return the JTA UserTransaction object for the current transaction.
*/
public final UserTransaction getUserTransaction() {
return this.userTransaction;
}
/**
* This implementation checks the UserTransaction's rollback-only flag.
*/
@Override
public boolean isRollbackOnly() {
try {
int jtaStatus = this.userTransaction.getStatus();
return (jtaStatus == Status.STATUS_MARKED_ROLLBACK || jtaStatus == Status.STATUS_ROLLEDBACK);
}
catch (SystemException ex) {
throw new TransactionSystemException("JTA failure on getStatus", ex);
}
}
/**
* This implementation triggers flush callbacks,
* assuming that they will flush all affected ORM sessions.
* @see org.springframework.transaction.support.TransactionSynchronization#flush()
*/
@Override
public void flush() {
TransactionSynchronizationUtils.triggerFlush();
}
}
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