@Test
  public void whenInsertDuplicatesInMultiSet_thenInserted() {
    final Multiset<String> names = HashMultiset.create();
    names.add("John");
    names.add("Adam", 3);
    names.add("John");

    assertEquals(2, names.count("John"));
    names.remove("John");
    assertEquals(1, names.count("John"));

    assertEquals(3, names.count("Adam"));
    names.remove("Adam", 2);
    assertEquals(1, names.count("Adam"));
  }
Ejemplo n.º 2
0
  public static void main(String args[]) {

    // create a multiset collection
    Multiset<String> multiset = HashMultiset.create();

    multiset.add("a");
    multiset.add("b");
    multiset.add("c");
    multiset.add("d");
    multiset.add("a");
    multiset.add("b");
    multiset.add("c");
    multiset.add("b");
    multiset.add("b");
    multiset.add("b");

    // print the occurrence of an element
    System.out.println("Occurrence of 'b' : " + multiset.count("b"));

    // print the total size of the multiset
    System.out.println("Total Size : " + multiset.size());

    // get the distinct elements of the multiset as set
    Set<String> set = multiset.elementSet();

    // display the elements of the set
    System.out.println("Set [");

    for (String s : set) {
      System.out.println(s);
    }

    System.out.println("]");

    // display all the elements of the multiset using iterator
    Iterator<String> iterator = multiset.iterator();
    System.out.println("MultiSet [");

    while (iterator.hasNext()) {
      System.out.println(iterator.next());
    }

    System.out.println("]");

    // display the distinct elements of the multiset with their occurrence count
    System.out.println("MultiSet [");

    for (Multiset.Entry<String> entry : multiset.entrySet()) {
      System.out.println("Element: " + entry.getElement() + ", Occurrence(s): " + entry.getCount());
    }
    System.out.println("]");

    // remove extra occurrences
    multiset.remove("b", 2);

    // print the occurrence of an element
    System.out.println("Occurence of 'b' : " + multiset.count("b"));
  }
Ejemplo n.º 3
0
  // Removes a single edge
  public void removeConnection(int from, int to) {
    Multiset<Integer> outSet;

    if (nodeOutEdges.containsKey(from)) {
      outSet = nodeOutEdges.get(from);
      outSet.remove(to);

      nodeInEdges.get(to).remove(from);
    }
  }
Ejemplo n.º 4
0
  @Override
  public void trigger(long time) throws Exception {
    boolean fire;

    // Remove information about the triggering task
    processingTimeTimerFutures.remove(time);
    processingTimeTimerTimestamps.remove(time, processingTimeTimerTimestamps.count(time));

    do {
      Timer<K, W> timer = processingTimeTimersQueue.peek();
      if (timer != null && timer.timestamp <= time) {
        fire = true;

        processingTimeTimers.remove(timer);
        processingTimeTimersQueue.remove();

        context.key = timer.key;
        context.window = timer.window;
        setKeyContext(timer.key);

        AppendingState<IN, ACC> windowState;
        MergingWindowSet<W> mergingWindows = null;

        if (windowAssigner instanceof MergingWindowAssigner) {
          mergingWindows = getMergingWindowSet();
          W stateWindow = mergingWindows.getStateWindow(context.window);
          windowState = getPartitionedState(stateWindow, windowSerializer, windowStateDescriptor);
        } else {
          windowState =
              getPartitionedState(context.window, windowSerializer, windowStateDescriptor);
        }

        TriggerResult triggerResult = context.onProcessingTime(timer.timestamp);
        fireOrContinue(triggerResult, context.window, windowState);

        if (triggerResult.isPurge()
            || (!windowAssigner.isEventTime() && isCleanupTime(timer.window, timer.timestamp))) {
          cleanup(timer.window, windowState, mergingWindows);
        }

      } else {
        fire = false;
      }
    } while (fire);
  }