Java tutorial
/* * Hibernate, Relational Persistence for Idiomatic Java * * License: GNU Lesser General Public License (LGPL), version 2.1 or later. * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>. */ package org.hibernate; import javax.persistence.EntityTransaction; import javax.transaction.Synchronization; import org.hibernate.resource.transaction.spi.TransactionStatus; /** * Defines the contract for abstracting applications from the configured underlying means of transaction management. * Allows the application to define units of work, while maintaining abstraction from the underlying transaction * implementation (eg. JTA, JDBC). * <p/> * A transaction is associated with a {@link Session} and is usually initiated by a call to * {@link org.hibernate.Session#beginTransaction()}. A single session might span multiple transactions since * the notion of a session (a conversation between the application and the datastore) is of coarser granularity than * the notion of a transaction. However, it is intended that there be at most one uncommitted transaction associated * with a particular {@link Session} at any time. * <p/> * Implementers are not intended to be thread-safe. * * @author Anton van Straaten * @author Steve Ebersole */ public interface Transaction extends EntityTransaction { /** * Get the current local status of this transaction. * <p/> * This only accounts for the local view of the transaction status. In other words it does not check the status * of the actual underlying transaction. * * @return The current local status. */ TransactionStatus getStatus(); /** * Register a user synchronization callback for this transaction. * * @param synchronization The Synchronization callback to register. * * @throws HibernateException Indicates a problem registering the synchronization. */ void registerSynchronization(Synchronization synchronization) throws HibernateException; /** * Set the transaction timeout for any transaction started by a subsequent call to {@link #begin} on this instance. * * @param seconds The number of seconds before a timeout. */ void setTimeout(int seconds); /** * Retrieve the transaction timeout set for this transaction. A negative indicates no timeout has been set. * * @return The timeout, in seconds. */ int getTimeout(); /** * Make a best effort to mark the underlying transaction for rollback only. */ default void markRollbackOnly() { setRollbackOnly(); } }