程序包 org.hibernate.dialect.lock

类 PessimisticForceIncrementLockingStrategy

java.lang.Object

org.hibernate.dialect.lock.PessimisticForceIncrementLockingStrategy

所有已实现的接口:

LockingStrategy

public class PessimisticForceIncrementLockingStrategy
extends Object
implements LockingStrategy

A pessimistic locking strategy that increments the version immediately (obtaining an exclusive write lock).

This strategy is valid for LockMode.PESSIMISTIC_FORCE_INCREMENT

从以下版本开始:

3.5

作者:

Scott Marlow

构造器概要

构造器

构造器	说明
PessimisticForceIncrementLockingStrategy(Lockable lockable, LockMode lockMode)	Construct locking strategy.

方法概要

修饰符和类型	方法	说明
protected LockMode	getLockMode()	Retrieve the specific lock mode defined.
void	lock(Serializable id, Object version, Object object, int timeout, SharedSessionContractImplementor session)	Acquire an appropriate type of lock on the underlying data that will endure until the end of the current transaction.

从类继承的方法 java.lang.Object

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

构造器详细资料

PessimisticForceIncrementLockingStrategy

public PessimisticForceIncrementLockingStrategy(Lockable lockable,
                                                LockMode lockMode)

Construct locking strategy.

参数:

lockable - The metadata for the entity to be locked.

lockMode - Indicates the type of lock to be acquired.

方法详细资料

lock

public void lock(Serializable id,
                 Object version,
                 Object object,
                 int timeout,
                 SharedSessionContractImplementor session)

从接口复制的说明: LockingStrategy

Acquire an appropriate type of lock on the underlying data that will endure until the end of the current transaction.

指定者:

lock 在接口中 LockingStrategy

参数:

id - The id of the row to be locked

version - The current version (or null if not versioned)

object - The object logically being locked (currently not used)

timeout - timeout in milliseconds, 0 = no wait, -1 = wait indefinitely

session - The session from which the lock request originated

getLockMode

protected LockMode getLockMode()

Retrieve the specific lock mode defined.

返回:

The specific lock mode.