Package org.jruby.runtime.load

Class LoadService.RequireLocks

java.lang.Object

org.jruby.runtime.load.LoadService.RequireLocks

Enclosing class:

LoadService

final class LoadService.RequireLocks
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) final class	LoadService.RequireLocks.RequireLock

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final ConcurrentHashMap<String,LoadService.RequireLocks.RequireLock>	pool

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RequireLocks()

Method Summary

Modifier and Type	Method	Description
private LoadService.RequireState	executeAndClearLock(String path, Function<String,LoadService.RequireState> ifLocked, RubyThread thread, LoadService.RequireLocks.RequireLock lock)
private LoadService.RequireState	lock(String path, boolean circularRequireWarning, LoadService.RequireState defaultResult, Function<String,LoadService.RequireState> ifLocked)	Get exclusive lock for the specified requireName.

Methods inherited from class java.lang.Object

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

Field Details

pool

final ConcurrentHashMap<String,LoadService.RequireLocks.RequireLock> pool

Constructor Details

RequireLocks

private RequireLocks()

Method Details

lock

private LoadService.RequireState lock(String path,
 boolean circularRequireWarning,
 LoadService.RequireState defaultResult,
 Function<String,LoadService.RequireState> ifLocked)

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:

path - 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.

executeAndClearLock

private LoadService.RequireState executeAndClearLock(String path,
 Function<String,LoadService.RequireState> ifLocked,
 RubyThread thread,
 LoadService.RequireLocks.RequireLock lock)