Java Doc for Lock.java in  » Net » james-2.3.1 » org » apache » james » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » james 2.3.1 » org.apache.james.util 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.james.util.Lock

Lock
public class Lock (Code)
Provides Lock functionality




Method Summary
public  booleancanI(Object key)
     Check to see if we can lock on a given object.
public  booleanisLocked(Object key)
    
public  booleanlock(Object key)
     Lock on a given object.
public  booleanunlock(Object key)
     Release the lock on a given object.



Method Detail
canI
public boolean canI(Object key)(Code)
Check to see if we can lock on a given object.
Parameters:
  key - the Object on which to lock true if the calling thread can lock, false otherwise



isLocked
public boolean isLocked(Object key)(Code)
Check to see if the object is locked
Parameters:
  key - the Object on which to check the lock true if the object is locked, false otherwise



lock
public boolean lock(Object key)(Code)
Lock on a given object.
Parameters:
  key - the Object on which to lock true if the locking was successful, false otherwise



unlock
public boolean unlock(Object key)(Code)
Release the lock on a given object.
Parameters:
  key - the Object on which the lock is held true if the unlocking was successful, false otherwise



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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