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.ArrayBlockingQueue;
  33 import java.util.concurrent.BlockingQueue;
  34 import java.util.concurrent.ExecutorService;
  35 import java.util.concurrent.Executors;
  36 import java.util.concurrent.RejectedExecutionException;
  37 import java.util.concurrent.SynchronousQueue;
  38 import java.util.concurrent.ThreadFactory;
  39 import java.util.concurrent.ThreadPoolExecutor;
  40 import java.util.concurrent.TimeUnit;
  41 import java.util.concurrent.atomic.AtomicBoolean;
  42
  43 public class TestQueue {
  44
  45     public static void main(String[] args) {
  46         ThreadFactoryBuilder threadFactoryBuilder = new ThreadFactoryBuilder();
  47         threadFactoryBuilder.setNameFormat("distribution-notification-thread");
  48         ThreadFactory threadFactory = threadFactoryBuilder.build();
  49         // TODO: add the package of google to the pom
  50
  51         ExecutorService executorService = new ThreadPoolExecutor(0, 10, 60L, TimeUnit.SECONDS, new SynchronousQueue<Runnable>(), threadFactory);
  52         // ExecutorService executorService = new ThreadPoolExecutor(0, 2, 60L,
  53         // TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(20));
  54
  55         // 2 threads are always up and they handle the tasks. in case core size
  56         // is 0, only one is handles the tasks.
  57         // ExecutorService executorService = new ThreadPoolExecutor(0, 2, 60L,
  58         // TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(20));
  59
  60         // TODO : check what happen when the number of threads are full. Throw
  61         // RejectedExecutionException
  62         // TODO : check what happen whether the pool is full and the size of
  63         // pool
  64
  65         ExecutorService newCachedThreadPool = Executors.newCachedThreadPool(threadFactory);
  66         Runnable task = new Runnable() {
  67
  68             @Override
  69             public void run() {
  70                 try {
  71                     System.out.println("iN SLEEP" + Thread.currentThread());
  72                     Thread.sleep(10 * 1000);
  73                     System.out.println("OUT SLEEP");
  74                 } catch (InterruptedException e) {
  75                     e.printStackTrace();
  76                 }
  77             }
  78         };
  79
  80         for (int i = 0; i < 4; i++) {
  81             try {
  82                 executorService.submit(task);
  83             } catch (RejectedExecutionException e) {
  84                 e.printStackTrace();
  85             }
  86         }
  87
  88         newCachedThreadPool.submit(task);
  89         System.out.println("After submitting the task");
  90
  91         MyWorker[] watchThreads = new MyWorker[1];
  92         BlockingQueue<String> queue = new ArrayBlockingQueue<>(5);
  93         for (int i = 0; i < watchThreads.length; i++) {
  94             MyWorker myWorker = new MyWorker(queue);
  95             myWorker.start();
  96         }
  97
  98         for (int i = 0; i < 1; i++) {
  99             try {
 100                 queue.put("message " + i);
 101             } catch (InterruptedException e) {
 102                 e.printStackTrace();
 103             }
 104         }
 105
 106     }
 107
 108     public static class MyTimerTask extends TimerTask {
 109
 110         AtomicBoolean state;
 111         Thread thread;
 112
 113         public MyTimerTask(AtomicBoolean state, Thread thread) {
 114             super();
 115             this.state = state;
 116             this.thread = thread;
 117
 118             System.out.println("After create timer");
 119         }
 120
 121         @Override
 122         public void run() {
 123             System.out.println("In running of Timer task");
 124             if (state.get() == false) {
 125                 System.out.println("In running of Timer task. Going to interrupt thread");
 126                 // thread.interrupt();
 127             } else {
 128                 System.out.println("In running of Timer task. Finished.");
 129             }
 130         }
 131
 132     }
 133
 134     public static class MyWorker extends Thread {
 135
 136         boolean active = true;
 137         private final BlockingQueue<String> queue;
 138
 139         public MyWorker(BlockingQueue<String> queue) {
 140             this.queue = queue;
 141         }
 142
 143         Timer timer = new Timer();
 144
 145         public void run() {
 146             try {
 147                 while (active) {
 148                     String s = queue.take();
 149                     System.out.println("Thread " + Thread.currentThread() + " fecthed a message " + s);
 150
 151                     AtomicBoolean atomicBoolean = new AtomicBoolean(false);
 152                     MyTimerTask myTimerTask = new MyTimerTask(atomicBoolean, this);
 153                     timer.schedule(myTimerTask, 10 * 1000);
 154                     doWork(s);
 155                     atomicBoolean.set(true);
 156
 157                 }
 158             } catch (InterruptedException ie) {
 159
 160                 System.out.println("Interrupted our thread");
 161                 ie.printStackTrace();
 162             }
 163         }
 164
 165         private void doWork(String s) {
 166             // TODO Auto-generated method stub
 167
 168             CambriaHandler cambriaHandler = new CambriaHandler();
 169             INotificationData data = new NotificationDataImpl();
 170             List<String> servers = new ArrayList<>();
 171             servers.add("aaaaaaa");
 172             cambriaHandler.sendNotification("topicName", "uebPublicKey", "uebSecretKey", servers, data);
 173
 174             System.out.println("IN WORK " + s);
 175             try {
 176                 Thread.sleep(1 * 1000);
 177             } catch (InterruptedException e) {
 178
 179                 for (int i = 0; i < 10; i++) {
 180                     System.out.println("*************************************************");
 181                 }
 182                 e.printStackTrace();
 183             }
 184         }
 185     }
 186
 187 }