Class Overview
An optimistic locking strategy that verifies that the version hasn't changed (prior to transaction commit).
This strategy is valid for LockMode.OPTIMISTIC
Summary
Public Methods |
void
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lock(Serializable id, Object version, Object object, int timeout, SessionImplementor session)
Acquire an appropriate type of lock on the underlying data that will
endure until the end of the current transaction.
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Public Constructors
public
OptimisticLockingStrategy
(Lockable lockable, LockMode lockMode)
Construct locking strategy.
Parameters
lockable
| The metadata for the entity to be locked. |
lockMode
| Indictates the type of lock to be acquired.
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Public Methods
Acquire an appropriate type of lock on the underlying data that will
endure until the end of the current transaction.
Parameters
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 |
Protected Methods