org.omg.CosConcurrencyControl

Interface TransactionalLockSetOperations

public interface TransactionalLockSetOperations

The TransactionalLockSet interface provides operations to acquire and release locks on a lock set on behalf of a specific transaction.

Method Summary
void	change_mode(Coordinator current, lock_mode held_mode, lock_mode new_mode) Changes the mode of a single lock
LockCoordinator	get_coordinator(Coordinator which) Returns the lock coordinator associated with the specified transaction
void	lock(Coordinator current, lock_mode mode) Acquires a lock on the specified lock set in the specified mode
boolean	try_lock(Coordinator current, lock_mode mode) Attempts to acquire a lock on the specified lock set
void	unlock(Coordinator current, lock_mode mode) Drops a single lock on the specified lock set in the specified mode

Method Detail

public void change_mode(Coordinator current, lock_mode held_mode, lock_mode new_mode)

Changes the mode of a single lock

public LockCoordinator get_coordinator(Coordinator which)

Returns the lock coordinator associated with the specified transaction

public void lock(Coordinator current, lock_mode mode)

Acquires a lock on the specified lock set in the specified mode

public boolean try_lock(Coordinator current, lock_mode mode)

Attempts to acquire a lock on the specified lock set

public void unlock(Coordinator current, lock_mode mode)

Drops a single lock on the specified lock set in the specified mode