Package org.hibernate.dialect.lock

Class PessimisticWriteSelectLockingStrategy

java.lang.Object

org.hibernate.dialect.lock.AbstractSelectLockingStrategy

org.hibernate.dialect.lock.PessimisticWriteSelectLockingStrategy

All Implemented Interfaces:

LockingStrategy

public class PessimisticWriteSelectLockingStrategy
extends AbstractSelectLockingStrategy

A pessimistic locking strategy where LockMode.PESSIMISTIC_WRITE lock is obtained via a select statement.

Differs from SelectLockingStrategy in throwing PessimisticEntityLockException.

Since:

3.5

Author:

Steve Ebersole, Scott Marlow

See Also:

• Dialect.getForUpdateString(LockMode)
• Dialect.appendLockHint(LockOptions, String)

Constructor Summary

Constructors

Constructor	Description
PessimisticWriteSelectLockingStrategy(Lockable lockable, LockMode lockMode)	Construct a locking strategy based on SQL SELECT statements.

Method Summary

Modifier and Type	Method	Description
protected HibernateException	convertException(Object entity, JDBCException ex)

Methods inherited from class org.hibernate.dialect.lock.AbstractSelectLockingStrategy

determineSql, generateLockString, getLockable, getLockMode, getNoWaitSql, getSkipLockedSql, lock

Methods inherited from class java.lang.Object

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

Constructor Details

PessimisticWriteSelectLockingStrategy

public PessimisticWriteSelectLockingStrategy(Lockable lockable,
 LockMode lockMode)

Construct a locking strategy based on SQL SELECT statements.

Parameters:

lockable - The metadata for the entity to be locked.

lockMode - Indicates the type of lock to be acquired.

Method Details

convertException

protected HibernateException convertException(Object entity,
 JDBCException ex)

Overrides:

convertException in class AbstractSelectLockingStrategy