jhelp.util.thread

Class Mutex

java.lang.Object

jhelp.util.thread.Mutex

public class Mutex
extends java.lang.Object

Mutex (Mutual Exclusion) for synchronization

Author:

JHelp

Field Summary

Fields

Modifier and Type	Field and Description
private static boolean	DEBUG For enable/disable mutex debugging
private boolean	isLocked Indicates if mutex already locked
private java.lang.String	lastMutexInformation Last mutex information (For printing)
private java.lang.Object	lock Lock link to the mutex
private java.lang.String	lockerThreadID Thread ID that have locked the mutex

Constructor Summary

Constructors

Constructor and Description
Mutex() Create a new instance of Mutex

Method Summary

Methods

Modifier and Type	Method and Description
private java.lang.String	createMutexInformation(java.lang.StackTraceElement traceCaller) Compute the mutex information with the caller stack trace
private java.lang.String	createThreadID() Create current thread ID
void	lock() Lock the mutex
void	unlock() Unlock the mutex

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

private static final boolean DEBUG

For enable/disable mutex debugging

See Also:

Constant Field Values

isLocked

private boolean isLocked

Indicates if mutex already locked

lastMutexInformation

private java.lang.String lastMutexInformation

Last mutex information (For printing)

lock

private final java.lang.Object lock

Lock link to the mutex

lockerThreadID

private java.lang.String lockerThreadID

Thread ID that have locked the mutex

Constructor Detail

Mutex

public Mutex()

Create a new instance of Mutex

Method Detail

createMutexInformation

private java.lang.String createMutexInformation(java.lang.StackTraceElement traceCaller)

Compute the mutex information with the caller stack trace

Parameters:

traceCaller - Caller stack trace

Returns:

Information created

createThreadID

private java.lang.String createThreadID()

Create current thread ID

Returns:

Current thread ID

lock

public void lock()

Lock the mutex

unlock

public void unlock()

Unlock the mutex