org.gridgain.grid.util

Class GridStripedReadWriteLock

java.lang.Object

org.gridgain.grid.util.GridStripedReadWriteLock

public class GridStripedReadWriteLock
extends Object

This is an utility class for 'splitting' locking of some int- or long-keyed resources. Map int and long values to some number of locks, and supply convenience methods to obtain and release these locks using key values.

Constructor Summary

Constructors

Constructor and Description
GridStripedReadWriteLock(int concurrencyLevel) Creates new instance with the given concurrency level (number of locks).

Method Summary

Methods

Modifier and Type	Method and Description
int	concurrencyLevel() Gets concurrency level.
ReadWriteLock[]	getAllLocks() Gets all locks.
ReadWriteLock	getLock(int key) Returns Lock object for the given key.
ReadWriteLock	getLock(long key) Returns Lock object for the given key.
ReadWriteLock	getLock(Object o) Returns lock for object.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

GridStripedReadWriteLock

public GridStripedReadWriteLock(int concurrencyLevel)

Creates new instance with the given concurrency level (number of locks).

Parameters:

concurrencyLevel - Concurrency level.

Method Detail

concurrencyLevel

public int concurrencyLevel()

Gets concurrency level.

Returns:

Concurrency level.

getAllLocks

public ReadWriteLock[] getAllLocks()

Gets all locks.

Returns:

All locks.

getLock

public ReadWriteLock getLock(int key)

Returns Lock object for the given key.

Parameters:

key - Key.

Returns:

Lock.

getLock

public ReadWriteLock getLock(long key)

Returns Lock object for the given key.

Parameters:

key - Key.

Returns:

Lock.

getLock

public ReadWriteLock getLock(@Nullable
                    Object o)

Returns lock for object.

Parameters:

o - Object.

Returns:

Lock.

toString

public String toString()

Overrides:

toString in class Object