public interface SoftLock
Modifier and Type | Method and Description |
---|---|
void |
clearTryLock()
Clear the state of the soft lock after a tryLock() call succeeded.
|
void |
freeze()
Freeze the soft lock.
|
Element |
getElement(TransactionID currentTransactionId,
SoftLockID softLockId)
Get the element the current transaction is supposed to see.
|
Object |
getKey()
Get the key of the element this soft lock is guarding
|
boolean |
isExpired()
Check if the soft lock expired, ie: that the thread which locked it died
|
void |
lock()
Lock the soft lock
|
boolean |
tryLock(long ms)
Attempt to lock the soft lock
|
void |
unfreeze()
Unfreeze the soft lock
|
void |
unlock()
Unlock the soft lock.
|
Object getKey()
Element getElement(TransactionID currentTransactionId, SoftLockID softLockId)
currentTransactionId
- the current transaction under which this call is executedsoftLockId
- the soft lock IDvoid lock()
boolean tryLock(long ms) throws InterruptedException
ms
- the time in milliseconds before this method gives upInterruptedException
- if the thread calling this method was interruptedvoid clearTryLock()
void unlock()
void freeze()
getElement(TransactionID, SoftLockID)
method calls.
Freeze is used to mark the start of a commit / rollback phasevoid unfreeze()
boolean isExpired()
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