spring TransactionStatus 源码
spring TransactionStatus 代码
文件路径：/spring-tx/src/main/java/org/springframework/transaction/TransactionStatus.java
/*
* Copyright 2002-2019 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;
import java.io.Flushable;
/**
* Representation of the status of a transaction.
*
* <p>Transactional code can use this to retrieve status information,
* and to programmatically request a rollback (instead of throwing
* an exception that causes an implicit rollback).
*
* <p>Includes the {@link SavepointManager} interface to provide access
* to savepoint management facilities. Note that savepoint management
* is only available if supported by the underlying transaction manager.
*
* @author Juergen Hoeller
* @since 27.03.2003
* @see #setRollbackOnly()
* @see PlatformTransactionManager#getTransaction
* @see org.springframework.transaction.support.TransactionCallback#doInTransaction
* @see org.springframework.transaction.interceptor.TransactionInterceptor#currentTransactionStatus()
*/
public interface TransactionStatus extends TransactionExecution, SavepointManager, Flushable {
/**
* Return whether this transaction internally carries a savepoint,
* that is, has been created as nested transaction based on a savepoint.
* <p>This method is mainly here for diagnostic purposes, alongside
* {@link #isNewTransaction()}. For programmatic handling of custom
* savepoints, use the operations provided by {@link SavepointManager}.
* @see #isNewTransaction()
* @see #createSavepoint()
* @see #rollbackToSavepoint(Object)
* @see #releaseSavepoint(Object)
*/
boolean hasSavepoint();
/**
* Flush the underlying session to the datastore, if applicable:
* for example, all affected Hibernate/JPA sessions.
* <p>This is effectively just a hint and may be a no-op if the underlying
* transaction manager does not have a flush concept. A flush signal may
* get applied to the primary resource or to transaction synchronizations,
* depending on the underlying resource.
*/
@Override
void flush();
}
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