Example usage for java.util.concurrent.locks ReentrantReadWriteLock toString

Introduction

In this page you can find the example usage for java.util.concurrent.locks ReentrantReadWriteLock toString.

Prototype

public String toString() 

Source Link

Document

Returns a string identifying this lock, as well as its lock state.

Usage

From source file:com.sentaroh.android.TaskAutomation.TaskManager.java

final static private void acqRWLock(EnvironmentParms envParms, CommonUtilities util,
        ReentrantReadWriteLock lock, String id, int l_mode) {
    boolean l_r = false;
    //          Thread.dumpStack();
    String l_mode_string = id + " Write";
    if (l_mode == LOCK_MODE_READ)
        l_mode_string = id + " Read";

    if (l_mode == LOCK_MODE_READ)
        l_r = lock.readLock().tryLock();
    else/*from www. ja v  a  2  s  . c om*/
        l_r = lock.writeLock().tryLock();

    if (l_r) {
        if (envParms.settingDebugLevel >= 3) {
            util.addDebugMsg(3, "I", l_mode_string, " Lock acquired, Thread name=",
                    Thread.currentThread().getName());
        }
    } else {
        long b_time = System.currentTimeMillis();
        if (envParms.settingDebugLevel >= 2) {
            util.addDebugMsg(2, "I", l_mode_string, " Lock wait detected, Thread name=",
                    Thread.currentThread().getName() + ", Lock=" + lock.toString());
        }

        if (l_mode == LOCK_MODE_READ)
            lock.readLock().lock();
        else
            lock.writeLock().lock();

        if (envParms.settingDebugLevel >= 2) {
            util.addDebugMsg(2, "I", l_mode_string,
                    " Lock wait time=" + (System.currentTimeMillis() - b_time) + "(ms), Thread name=",
                    Thread.currentThread().getName());
        }
    }
}

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