net.sf.sasl.distributed.lock.impl
Class DefaultLockSession.MutexDecorator

java.lang.Object
  net.sf.sasl.distributed.lock.impl.DefaultLockSession.MutexDecorator

All Implemented Interfaces:

Lock, IMutex

Enclosing class:

DefaultLockSession

protected class DefaultLockSession.MutexDecorator
extends Object
implements IMutex

Since:

0.0.1 (sasl-distributed-lock-library)

Constructor Summary

DefaultLockSession.MutexDecorator(IMutex lock, DefaultLockSession.LockSequence ownerSequence)

Method Summary

Object	getLockKey() Returns the lock key to which this mutex belongs.
protected boolean	isLocalLocked() Returns true if the mutex was locked over the decorator in the past, false else.
void	lock()
void	lockInterruptibly()
Condition	newCondition()
protected void	release() Releases the lock, if a locked was acquired over the session in the past and the session is not invalid.
boolean	tryLock()
boolean	tryLock(long time, TimeUnit unit)
void	unlock()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultLockSession.MutexDecorator

public DefaultLockSession.MutexDecorator(IMutex lock,
                                         DefaultLockSession.LockSequence ownerSequence)

Parameters:

lock - non null

Since:

0.0.1 (sasl-distributed-lock-library)

Method Detail

getLockKey

public Object getLockKey()

Description copied from interface: IMutex

Returns the lock key to which this mutex belongs.

Specified by:

getLockKey in interface IMutex

Returns:

null or non null

Since:

0.0.1 (sasl-distributed-lock-library)

See Also:

IMutex.getLockKey()

lock

public void lock()

Specified by:

lock in interface Lock

Since:

0.0.1 (sasl-distributed-lock-library)

See Also:

Lock.lock()

lockInterruptibly

public void lockInterruptibly()
                       throws InterruptedException

Specified by:

lockInterruptibly in interface Lock

Throws:

InterruptedException

Since:

0.0.1 (sasl-distributed-lock-library)

See Also:

Lock.lockInterruptibly()

newCondition

public Condition newCondition()

Specified by:

newCondition in interface Lock

Since:

0.0.1 (sasl-distributed-lock-library)

See Also:

Lock.newCondition()

tryLock

public boolean tryLock()

Specified by:

tryLock in interface Lock

Since:

0.0.1 (sasl-distributed-lock-library)

See Also:

Lock.tryLock()

tryLock

public boolean tryLock(long time,
                       TimeUnit unit)
                throws InterruptedException

Specified by:

tryLock in interface Lock

Throws:

InterruptedException

Since:

0.0.1 (sasl-distributed-lock-library)

See Also:

Lock.tryLock(long, java.util.concurrent.TimeUnit)

unlock

public void unlock()

Specified by:

unlock in interface Lock

Since:

0.0.1 (sasl-distributed-lock-library)

See Also:

Lock.unlock()

isLocalLocked

protected boolean isLocalLocked()

Returns true if the mutex was locked over the decorator in the past, false else.

Returns:

true or false.

Since:

0.0.1 (sasl-distributed-lock-library)

release

protected void release()

Releases the lock, if a locked was acquired over the session in the past and the session is not invalid.

Since:

0.0.1 (sasl-distributed-lock-library)