alluxio.resource

Class LockResource

java.lang.Object

alluxio.resource.LockResource

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

RefCountLockResource

public class LockResource
extends Object
implements Closeable

A resource lock that makes it possible to acquire and release locks using the following idiom:

   try (LockResource r = new LockResource(lock)) {
     ...
   }
 

Constructor Summary

Constructors

Constructor and Description
LockResource(Lock lock) Creates a new instance of LockResource using the given lock.
LockResource(Lock lock, boolean acquireLock) Creates a new instance of LockResource using the given lock.

Method Summary

Modifier and Type	Method and Description
void	close() Releases the lock.
boolean	hasSameLock(LockResource other) Returns true if the other lockresource contains the same lock.

Methods inherited from class java.lang.Object

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

Constructor Detail

LockResource

public LockResource(Lock lock)

Creates a new instance of LockResource using the given lock.

Parameters:

lock - the lock to acquire

LockResource

public LockResource(Lock lock,
                    boolean acquireLock)

Creates a new instance of LockResource using the given lock.

Parameters:

lock - the lock to acquire

acquireLock - whether to lock the lock

Method Detail

hasSameLock

public boolean hasSameLock(LockResource other)

Returns true if the other lockresource contains the same lock.

Parameters:

other - other LockResource

Returns:

true if the other lockResource has the same lock

close

public void close()

Releases the lock.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable