org.omg.CosConcurrencyControl
Interface TransactionalLockSetOperations

All Known Subinterfaces:

TransactionalLockSet

All Known Implementing Classes:

TransactionalLockSetPOA

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

Method Detail

lock

public void lock(org.omg.CosTransactions.Coordinator current,
                 lock_mode mode)

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

try_lock

public boolean try_lock(org.omg.CosTransactions.Coordinator current,
                        lock_mode mode)

Attempts to acquire a lock on the specified lock set

unlock

public void unlock(org.omg.CosTransactions.Coordinator current,
                   lock_mode mode)
            throws LockNotHeld

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

change_mode

public void change_mode(org.omg.CosTransactions.Coordinator current,
                        lock_mode held_mode,
                        lock_mode new_mode)
                 throws LockNotHeld

Changes the mode of a single lock

get_coordinator

public LockCoordinator get_coordinator(org.omg.CosTransactions.Coordinator which)

Returns the lock coordinator associated with the specified transaction