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java.lang.Object
   |
   +----utah.npm.core.Lockable

Summary

class  Lockable
     extends java.lang.Object
{
          // Fields 1
     private final Lock lock_;

          // Constructors 1
     public Lockable();

          // Methods 4
     final void s_assertLocked();
     final void s_assertUnlocked();
     final void s_lock();
     final void s_unlock();
}

Associate a lock with an object by subclassing. Subclasses of Lockable can be locked and unlocked.

Version:

NPMJava 0.5.0 April, 1998

Author:

Patrick Tullmann tullmann@cs.utah.edu

See Also: Lock

Cross Reference

Extended By:

NPMObject, ThreadWait

   private final Lock lock_

Constructors

· Lockable

Summary  |  Top

   public Lockable() 

Default constructor

   final void s_assertLocked() 

Assert that this object is locked

   final void s_assertUnlocked() 

assert that this object is unlocked (actually, assert that this object is not locked by the current thread.)

   final void s_lock() 

Acquire the lock on this object.

   final void s_unlock() 

Release the lock on this object.

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