org.omg.CosConcurrencyControl
Interface LockSetOperations

All Known Subinterfaces:

LockSet

All Known Implementing Classes:

_LockSetStub, LockSet, LockSetPOA, LockSetPOATie

public interface LockSetOperations

The LockSet interface provides operations to aquire and release locks on behalf of the calling thread or transaction

Method Summary

void	change_mode(lock_mode held_mode, lock_mode new_mode) Changes the mode of a single lock
void	lock(lock_mode mode) Acquires a lock on the specified lock set in the specified mode
boolean	try_lock(lock_mode mode) Attempts to acquire a lock on the specified lock set.
void	unlock(lock_mode mode) Drops a single lock on the specified lock set in the specified mode

Method Detail

lock

void lock(lock_mode mode)

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

try_lock

boolean try_lock(lock_mode mode)

Attempts to acquire a lock on the specified lock set.

unlock

void unlock(lock_mode mode)
            throws LockNotHeld

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

Throws:

LockNotHeld

change_mode

void change_mode(lock_mode held_mode,
                 lock_mode new_mode)
                 throws LockNotHeld

Changes the mode of a single lock

Throws:

LockNotHeld