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JDBCTransaction (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.transaction
Class JDBCTransaction

java.lang.Object
  org.hibernate.transaction.JDBCTransaction

All Implemented Interfaces:

Transaction

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public class JDBCTransaction

extends Object

implements Transaction

Implements a basic transaction strategy for JDBC connections.This is the default Transaction implementation used if none is explicitly specified.

Author:

Anton van Straaten, Gavin King

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Constructor Summary

JDBCTransaction(JDBCContext jdbcContext, TransactionFactory.Context transactionContext)

 

Method Summary
void	begin()           Begin a new transaction.
void	commit()           Flush the associated Session and end the unit of work (unless we are in FlushMode#NEVER.
boolean	isActive()           Is this transaction still active? Again, this only returns information in relation to the local transaction, not the actual underlying transaction.
void	registerSynchronization(Synchronization sync)           Register a user synchronization callback for this transaction.
void	rollback()           Force the underlying transaction to roll back.
void	setTimeout(int seconds)           Set the transaction timeout for any transaction started by a subsequent call to begin() on this instance.
boolean	wasCommitted()           Check if this transaction was successfully committed.
boolean	wasRolledBack()           Was this transaction rolled back or set to rollback only? This only accounts for actions initiated from this local transaction.

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

JDBCTransaction

public JDBCTransaction(JDBCContext jdbcContext,
                       TransactionFactory.Context transactionContext)

Method Detail

begin

public void begin()
           throws HibernateException

Description copied from interface: Transaction

Begin a new transaction.

Specified by:

begin in interface Transaction

Throws:

HibernateException

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commit

public void commit()
            throws HibernateException

Description copied from interface: Transaction

Flush the associated Session and end the unit of work (unless we are in FlushMode.NEVER.

This method will commit the underlying transaction if and only if the underlying transaction was initiated by this object.

Specified by:

commit in interface Transaction

Throws:

HibernateException

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rollback

public void rollback()
              throws HibernateException

Description copied from interface: Transaction

Force the underlying transaction to roll back.

Specified by:

rollback in interface Transaction

Throws:

HibernateException

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wasRolledBack

public boolean wasRolledBack()

Description copied from interface: Transaction

Was this transaction rolled back or set to rollback only?

This only accounts for actions initiated from this local transaction. If, for example, the underlying transaction is forced to rollback via some other means, this method still reports false because the rollback was not initiated from here.

Specified by:

wasRolledBack in interface Transaction

Returns:

boolean True if the transaction was rolled back via this local transaction; false otherwise.

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wasCommitted

public boolean wasCommitted()

Description copied from interface: Transaction

Check if this transaction was successfully committed.

This method could return false even after successful invocation of Transaction.commit(). As an example, JTA based strategies no-op on Transaction.commit() calls if they did not start the transaction; in that case, they also report Transaction.wasCommitted() as false.

Specified by:

wasCommitted in interface Transaction

Returns:

boolean True if the transaction was (unequivocally) committed via this local transaction; false otherwise.

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isActive

public boolean isActive()

Description copied from interface: Transaction

Is this transaction still active?

Again, this only returns information in relation to the local transaction, not the actual underlying transaction.

Specified by:

isActive in interface Transaction

Returns:

boolean Treu if this local transaction is still active.

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registerSynchronization

public void registerSynchronization(Synchronization sync)
                             throws HibernateException

Description copied from interface: Transaction

Register a user synchronization callback for this transaction.

Specified by:

registerSynchronization in interface Transaction

Parameters:

sync - The Synchronization callback to register.

Throws:

HibernateException

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setTimeout

public void setTimeout(int seconds)

Description copied from interface: Transaction

Set the transaction timeout for any transaction started by a subsequent call to begin() on this instance.

Specified by:

setTimeout in interface Transaction

Parameters:

seconds - The number of seconds before a timeout.

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