8e80217e59
Former-commit-id:a02aeb236c[formerly9f19e3f712] [formerly06a8b51d6d[formerly 64fa9254b946eae7e61bbc3f513b7c3696c4f54f]] Former-commit-id:06a8b51d6dFormer-commit-id:3360eb6c5f
142 lines
4 KiB
Java
142 lines
4 KiB
Java
/**
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* This software was developed and / or modified by Raytheon Company,
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* pursuant to Contract DG133W-05-CQ-1067 with the US Government.
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*
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* U.S. EXPORT CONTROLLED TECHNICAL DATA
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* This software product contains export-restricted data whose
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* export/transfer/disclosure is restricted by U.S. law. Dissemination
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* to non-U.S. persons whether in the United States or abroad requires
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* an export license or other authorization.
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*
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* Contractor Name: Raytheon Company
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* Contractor Address: 6825 Pine Street, Suite 340
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* Mail Stop B8
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* Omaha, NE 68106
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* 402.291.0100
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*
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* See the AWIPS II Master Rights File ("Master Rights File.pdf") for
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* further licensing information.
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**/
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package com.raytheon.edex.test;
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import java.io.File;
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import java.lang.Thread.State;
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import junit.framework.Assert;
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import com.raytheon.uf.common.datastorage.locking.ClusteredLockManager;
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/**
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* A Lock Manager test:
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*
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* Tests lock manager running inside the same JVM
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*
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* <pre>
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*
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* SOFTWARE HISTORY
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* Date Ticket# Engineer Description
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* ------------ ---------- ----------- --------------------------
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* Feb 20, 2007 chammack Initial Creation.
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*
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* </pre>
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*
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* @author chammack
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* @version 1
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*/
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public class TestLockManager {
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public static void main(String[] args) {
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try {
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// Test #1: Single Thread
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ClusteredLockManager lockMgr = ClusteredLockManager.getInstance();
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boolean gotLock = lockMgr.getLock(new File("/tmp/foo"), true);
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if (gotLock == false) {
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System.out.println("ERROR: Lock was not granted initially");
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}
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gotLock = lockMgr.getLock(new File("/tmp/foo"), true);
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if (gotLock == true) {
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System.out.println("ERROR: Lock should not have been granted");
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}
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lockMgr.releaseLock(new File("/tmp/foo"));
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// Release and retry
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gotLock = lockMgr.getLock(new File("/tmp/foo"), true);
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if (gotLock == false) {
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System.out.println("ERROR: Lock was not granted after unlock");
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}
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lockMgr.releaseLock(new File("/tmp/foo"));
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} catch (Exception e) {
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e.printStackTrace();
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Assert.fail(e.getMessage());
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}
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// Test #2 Multi-thread
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System.out
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.println("Threaded test: Threads should both return approximately 0.5 load");
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LockTester lt1 = new LockTester(1);
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LockTester lt2 = new LockTester(2);
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Thread thread1 = new Thread(lt1);
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Thread thread2 = new Thread(lt2);
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thread1.start();
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thread2.start();
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System.out.println("Running test: This will take a few seconds...");
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while (thread1.getState() != State.TERMINATED
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|| thread2.getState() != State.TERMINATED) {
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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System.exit(0);
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}
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public static class LockTester implements Runnable {
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private int id;
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public LockTester(int id) {
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this.id = id;
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}
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public void run() {
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try {
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ClusteredLockManager lockMgr = ClusteredLockManager
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.getInstance();
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int hits = 0;
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for (int i = 0; i < 1000; i++) {
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boolean gotLock = lockMgr.getLock(new File("/tmp/foo"),
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true);
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Thread.sleep(10);
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if (gotLock) {
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lockMgr.releaseLock(new File("/tmp/foo"));
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hits++;
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}
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Thread.sleep(10);
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}
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System.out.println("Thread #" + id + ":: " + (hits) / 1000.0);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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}
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