opendaylight/md-sal/sal-binding-broker/src/test/java/org/opendaylight/controller/sal/binding/codegen/impl/SingletonHolderTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.sal.binding.codegen.impl;
  10
  11 import com.google.common.util.concurrent.ListeningExecutorService;
  12 import java.lang.reflect.Field;
  13 import java.util.concurrent.BlockingQueue;
  14 import java.util.concurrent.ThreadPoolExecutor;
  15 import java.util.concurrent.TimeUnit;
  16 import org.junit.Ignore;
  17 import org.junit.Test;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 @Ignore
  22 public class SingletonHolderTest {
  23     private static final Logger logger = LoggerFactory.getLogger(SingletonHolderTest.class);
  24
  25     @Test
  26     public void testNotificationExecutor() throws Exception {
  27         ListeningExecutorService executor = SingletonHolder.getDefaultNotificationExecutor();
  28         ThreadPoolExecutor tpExecutor = (ThreadPoolExecutor) setAccessible(executor.getClass().getDeclaredField("delegate")).get(executor);
  29         BlockingQueue<Runnable> queue = tpExecutor.getQueue();
  30
  31         for (int idx = 0; idx < 100; idx++) {
  32             final int idx2 = idx;
  33             logger.info("Adding {}\t{}\t{}", idx, queue.size(), tpExecutor.getActiveCount());
  34             executor.execute(new Runnable() {
  35
  36                 @Override
  37                 public void run() {
  38                     logger.info("in  {}", idx2);
  39                     try {
  40                         Thread.sleep(1000);
  41                     } catch (InterruptedException e) {
  42                         e.printStackTrace();
  43                     }
  44                     logger.info("out {}", idx2);
  45                 }
  46             });
  47         }
  48         executor.shutdown();
  49         executor.awaitTermination(10, TimeUnit.SECONDS);
  50     }
  51
  52     private static Field setAccessible(Field field) {
  53         field.setAccessible(true);
  54         return field;
  55     }
  56 }