catalog-be/src/test/java/org/openecomp/sdc/be/distribution/TestQueue.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdc.be.distribution;
  22
  23 import com.google.common.util.concurrent.ThreadFactoryBuilder;
  24 import org.openecomp.sdc.be.components.distribution.engine.CambriaHandler;
  25 import org.openecomp.sdc.be.components.distribution.engine.INotificationData;
  26 import org.openecomp.sdc.be.components.distribution.engine.NotificationDataImpl;
  27
  28 import java.util.ArrayList;
  29 import java.util.List;
  30 import java.util.Timer;
  31 import java.util.TimerTask;
  32 import java.util.concurrent.*;
  33 import java.util.concurrent.atomic.AtomicBoolean;
  34
  35 public class TestQueue {
  36
  37     public static void main(String[] args) {
  38         ThreadFactoryBuilder threadFactoryBuilder = new ThreadFactoryBuilder();
  39         threadFactoryBuilder.setNameFormat("distribution-notification-thread");
  40         ThreadFactory threadFactory = threadFactoryBuilder.build();
  41         // TODO: add the package of google to the pom
  42
  43         ExecutorService executorService = new ThreadPoolExecutor(0, 10, 60L, TimeUnit.SECONDS, new SynchronousQueue<>(), threadFactory);
  44         // ExecutorService executorService = new ThreadPoolExecutor(0, 2, 60L,
  45         // TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(20));
  46
  47         // 2 threads are always up and they handle the tasks. in case core size
  48         // is 0, only one is handles the tasks.
  49         // ExecutorService executorService = new ThreadPoolExecutor(0, 2, 60L,
  50         // TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(20));
  51
  52         // TODO : check what happen when the number of threads are full. Throw
  53         // RejectedExecutionException
  54         // TODO : check what happen whether the pool is full and the size of
  55         // pool
  56
  57         ExecutorService newCachedThreadPool = Executors.newCachedThreadPool(threadFactory);
  58         Runnable task = new Runnable() {
  59
  60             @Override
  61             public void run() {
  62                 try {
  63                     System.out.println("iN SLEEP" + Thread.currentThread());
  64                     Thread.sleep(10 * 1000);
  65                     System.out.println("OUT SLEEP");
  66                 } catch (InterruptedException e) {
  67                     e.printStackTrace();
  68                 }
  69             }
  70         };
  71
  72         for (int i = 0; i < 4; i++) {
  73             try {
  74                 executorService.submit(task);
  75             } catch (RejectedExecutionException e) {
  76                 e.printStackTrace();
  77             }
  78         }
  79
  80         newCachedThreadPool.submit(task);
  81         System.out.println("After submitting the task");
  82
  83         MyWorker[] watchThreads = new MyWorker[1];
  84         BlockingQueue<String> queue = new ArrayBlockingQueue<>(5);
  85         for (int i = 0; i < watchThreads.length; i++) {
  86             MyWorker myWorker = new MyWorker(queue);
  87             myWorker.start();
  88         }
  89
  90         for (int i = 0; i < 1; i++) {
  91             try {
  92                 queue.put("message " + i);
  93             } catch (InterruptedException e) {
  94                 e.printStackTrace();
  95             }
  96         }
  97
  98     }
  99
 100     public static class MyTimerTask extends TimerTask {
 101
 102         AtomicBoolean state;
 103         Thread thread;
 104
 105         public MyTimerTask(AtomicBoolean state, Thread thread) {
 106             super();
 107             this.state = state;
 108             this.thread = thread;
 109
 110             System.out.println("After create timer");
 111         }
 112
 113         @Override
 114         public void run() {
 115             System.out.println("In running of Timer task");
 116             if (!state.get()) {
 117                 System.out.println("In running of Timer task. Going to interrupt thread");
 118                 // thread.interrupt();
 119             } else {
 120                 System.out.println("In running of Timer task. Finished.");
 121             }
 122         }
 123
 124     }
 125
 126     public static class MyWorker extends Thread {
 127
 128         boolean active = true;
 129         private final BlockingQueue<String> queue;
 130
 131         public MyWorker(BlockingQueue<String> queue) {
 132             this.queue = queue;
 133         }
 134
 135         Timer timer = new Timer();
 136
 137         public void run() {
 138             try {
 139                 while (active) {
 140                     String s = queue.take();
 141                     System.out.println("Thread " + Thread.currentThread() + " fecthed a message " + s);
 142
 143                     AtomicBoolean atomicBoolean = new AtomicBoolean(false);
 144                     MyTimerTask myTimerTask = new MyTimerTask(atomicBoolean, this);
 145                     timer.schedule(myTimerTask, 10 * 1000);
 146                     doWork(s);
 147                     atomicBoolean.set(true);
 148
 149                 }
 150             } catch (InterruptedException ie) {
 151
 152                 System.out.println("Interrupted our thread");
 153                 ie.printStackTrace();
 154             }
 155         }
 156
 157         private void doWork(String s) {
 158             // TODO Auto-generated method stub
 159
 160             CambriaHandler cambriaHandler = new CambriaHandler();
 161             INotificationData data = new NotificationDataImpl();
 162             List<String> servers = new ArrayList<>();
 163             servers.add("aaaaaaa");
 164             cambriaHandler.sendNotification("topicName", "uebPublicKey", "uebSecretKey", servers, data);
 165
 166             System.out.println("IN WORK " + s);
 167             try {
 168                 Thread.sleep(1 * 1000);
 169             } catch (InterruptedException e) {
 170
 171                 for (int i = 0; i < 10; i++) {
 172                     System.out.println("*************************************************");
 173                 }
 174                 e.printStackTrace();
 175             }
 176         }
 177     }
 178
 179 }