Package org.hibernate.dialect.lock
Class PessimisticReadUpdateLockingStrategy
java.lang.Object
org.hibernate.dialect.lock.PessimisticReadUpdateLockingStrategy
- All Implemented Interfaces:
LockingStrategy
A pessimistic locking strategy where a lock is obtained via
an update statement.
This strategy is valid for LockMode.PESSIMISTIC_READ
.
This class is a clone of UpdateLockingStrategy
.
- Since:
- 3.5
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Constructor Summary
ConstructorsConstructorDescriptionPessimisticReadUpdateLockingStrategy
(Lockable lockable, LockMode lockMode) Construct a locking strategy based on SQL UPDATE statements. -
Method Summary
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Constructor Details
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PessimisticReadUpdateLockingStrategy
Construct a locking strategy based on SQL UPDATE statements.- Parameters:
lockable
- The metadata for the entity to be locked.lockMode
- Indicates the type of lock to be acquired. Note that read-locks are not valid for this strategy.
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Method Details
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lock
Description copied from interface:LockingStrategy
Acquire an appropriate type of lock on the underlying data that will endure until the end of the current transaction.- Specified by:
lock
in interfaceLockingStrategy
- Parameters:
id
- The id of the row to be lockedversion
- 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 indefinitelysession
- The session from which the lock request originated
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generateLockString
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getLockMode
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