Hibernate ORM - hibernate-core 6.4.4.Final · org.hibernate.dialect.lock.PessimisticReadUpdateLockingStrategy

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.

Field Summary

Modifier and Type	Field and Description
private final Lockable	lockable Deprecated as a consequence of `Lockable` being deprecated.
private final LockMode	lockMode
private static final CoreMessageLogger	LOG
private final String	sql

Access	Constructor and Description
public	PessimisticReadUpdateLockingStrategy(Lockable The metadata for the entity to be locked. lockable, LockMode Indicates the type of lock to be acquired. Note that read-locks are not valid for this strategy. lockMode) Deprecated as a consequence of `Lockable` being deprecated. Construct a locking strategy based on SQL UPDATE statements.

Modifier and Type	Method and Description
protected String	generateLockString()
protected LockMode	getLockMode()
public void	lock(Object The id of the row to be locked id, Object The current version (or null if not versioned) version, Object The object logically being locked (currently not used) object, int timeout in milliseconds, 0 = no wait, -1 = wait indefinitely timeout, EventSource The session from which the lock request originated session) Implements org.hibernate.dialect.lock.LockingStrategy.lock. Acquire an appropriate type of lock on the underlying data that will endure until the end of the current transaction.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

lockable	back to summary
private final Lockable lockable Deprecated as a consequence of `Lockable` being deprecated. See corresponding docs for further information.

lockMode	back to summary
private final LockMode lockMode

LOG	back to summary
private static final CoreMessageLogger LOG

sql	back to summary
private final String sql

PessimisticReadUpdateLockingStrategy back to summary

PessimisticReadUpdateLockingStrategy	back to summary
public PessimisticReadUpdateLockingStrategy(Lockable lockable, LockMode lockMode) Deprecated as a consequence of `Lockable` being deprecated. See corresponding docs for further information. Construct a locking strategy based on SQL UPDATE statements. Parameters lockable:Lockable The metadata for the entity to be locked. lockMode:LockMode Indicates the type of lock to be acquired. Note that read-locks are not valid for this strategy.

public PessimisticReadUpdateLockingStrategy(Lockable lockable, LockMode lockMode)

Deprecated

as a consequence of Lockable being deprecated. See corresponding docs for further information.

Construct a locking strategy based on SQL UPDATE statements.

Parameters

lockable:Lockable: The metadata for the entity to be locked.
lockMode:LockMode: Indicates the type of lock to be acquired. Note that read-locks are not valid for this strategy.

generateLockString	back to summary
protected String generateLockString()

getLockMode	back to summary
protected LockMode getLockMode()

lock	back to summary
public void lock(Object id, Object version, Object object, int timeout, EventSource session) Implements org.hibernate.dialect.lock.LockingStrategy.lock. Doc from org.hibernate.dialect.lock.LockingStrategy.lock. Acquire an appropriate type of lock on the underlying data that will endure until the end of the current transaction. Parameters id:Object The id of the row to be locked version:Object The current version (or null if not versioned) object:Object The object logically being locked (currently not used) timeout:int timeout in milliseconds, 0 = no wait, -1 = wait indefinitely session:EventSource The session from which the lock request originated Annotations @Override

lock