org.jruby.runtime.load

Class LoadService.RequireLocks

java.lang.Object

org.jruby.runtime.load.LoadService.RequireLocks

Enclosing class:

LoadService

private class LoadService.RequireLocks
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.concurrent.locks.ReentrantLock	globalLock
private java.util.concurrent.ConcurrentHashMap<java.lang.String,java.util.concurrent.locks.ReentrantLock>	pool

Constructor Summary

Constructors

Modifier	Constructor and Description
private	RequireLocks()

Method Summary

Modifier and Type	Method and Description
private boolean	lock(java.lang.String requireName) Get exclusive lock for the specified requireName.
private void	unlock(java.lang.String requireName) Unlock the lock for the specified requireName.

Methods inherited from class java.lang.Object

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

Field Detail

pool

private final java.util.concurrent.ConcurrentHashMap<java.lang.String,java.util.concurrent.locks.ReentrantLock> pool

globalLock

private final java.util.concurrent.locks.ReentrantLock globalLock

Constructor Detail

RequireLocks

private RequireLocks()

Method Detail

lock

private boolean lock(java.lang.String requireName)

Get exclusive lock for the specified requireName. Acquire sync object for the requireName from the pool, then try to lock it. NOTE: This lock is not fair for now.

Parameters:

requireName - just a name for the lock.

Returns:

If the sync object already locked by current thread, it just returns false without getting a lock. Otherwise true.

unlock

private void unlock(java.lang.String requireName)

Unlock the lock for the specified requireName.

Parameters:

requireName - name of the lock to be unlocked.