Examples of DbusEventGenerator

Examples of com.linkedin.databus.core.test.DbusEventGenerator

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    Assert.assertTrue(iter0.getIdentifier().startsWith(InternalEventIterator.class.getSimpleName()));
    Assert.assertTrue(!iter0.hasNext());
    Assert.assertEquals(dbusBuf._busyIteratorPool.size(), 1);

    log.info("append a full window of events");
    final DbusEventGenerator generator = new DbusEventGenerator();
    final Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(5, 5, 120, 39, events);
    injectEventsInBuffer(dbusBuf, events, false);

    log.info("verify we can read all events");
    //old iterator has not changed
    Assert.assertTrue(!iter0.hasNext());

    log.info("verify new iterator");
    InternalEventIterator iter1 =
        dbusBuf.acquireInternalIterator(dbusBuf.getHead(), dbusBuf.getTail(), null);
    Assert.assertEquals(iter1.getCurrentPosition(), dbusBuf.getHead());
    Assert.assertEquals(iter1._iteratorTail.getPosition(), dbusBuf.getTail());
    Assert.assertNotNull(iter1.getIdentifier());
    Assert.assertTrue(iter1.getIdentifier().startsWith(InternalEventIterator.class.getSimpleName()));
    Assert.assertEquals(dbusBuf._busyIteratorPool.size(), 2);
    Assert.assertTrue(iter1.hasNext());

    log.info("make sure we can read all events");
    readAndCompareIteratorEvents(iter1, events, false);

    log.info("add more windows");
    final Vector<DbusEvent> events2 = new Vector<DbusEvent>();
    final DbusEventGenerator generator2 = new DbusEventGenerator(1000);
    generator2.generateEvents(50, 4, 180, 100, events2);
    injectEventsInBuffer(dbusBuf, events2, false);

    log.info("verify old iterators have not changed");
    Assert.assertTrue(!iter0.hasNext());
    Assert.assertTrue(!iter1.hasNext());
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Examples of com.linkedin.databus.core.test.DbusEventGenerator

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            AssertLevel.ALL));

    for (int i = 0; i < 1100; ++i)
    {
      log.info("add first window iteration " + i);
      final DbusEventGenerator generator = new DbusEventGenerator(40 * i);
      final Vector<DbusEvent> events1 = new Vector<DbusEvent>();
      generator.generateEvents(6, 1, 120, 41, events1);
      injectEventsInBuffer(dbusBuf, events1, true);

      log.info("get a new iterator");
      InternalEventIterator iter1 =
          dbusBuf.acquireInternalIterator(dbusBuf.getHead(), dbusBuf.getTail(), null);
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Examples of com.linkedin.databus.core.test.DbusEventGenerator

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    Assert.assertTrue(iter0.getIdentifier().startsWith(InternalEventIterator.class.getSimpleName()));
    Assert.assertTrue(!iter0.hasNext());
    Assert.assertEquals(dbusBuf._busyIteratorPool.size(), 1);

    log.info("append a full window of events");
    final DbusEventGenerator generator = new DbusEventGenerator();
    final Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(5, 5, 120, 39, events);
    injectEventsInBuffer(dbusBuf, events, false);

    log.info("verify we can read all events");
    //old iterator has not changed
    Assert.assertTrue(!iter0.hasNext());

    log.info("verify new iterator");
    InternalEventIterator iter1 =
        dbusBuf.acquireInternalIterator(dbusBuf.getHead(), dbusBuf.getTail(), null);
    Assert.assertEquals(iter1.getCurrentPosition(), dbusBuf.getHead());
    Assert.assertEquals(iter1._iteratorTail.getPosition(), dbusBuf.getTail());
    Assert.assertNotNull(iter1.getIdentifier());
    Assert.assertTrue(iter1.getIdentifier().startsWith(InternalEventIterator.class.getSimpleName()));
    Assert.assertEquals(dbusBuf._busyIteratorPool.size(), 2);
    Assert.assertTrue(iter1.hasNext());

    log.info("make sure we can read all events");
    readAndCompareIteratorEvents(iter1, events, false);

    log.info("add more windows");
    final Vector<DbusEvent> events2 = new Vector<DbusEvent>();
    final DbusEventGenerator generator2 = new DbusEventGenerator(1000);
    generator2.generateEvents(50, 4, 180, 100, events2);
    injectEventsInBuffer(dbusBuf, events2, false);

    log.info("verify old iterators have not changed");
    Assert.assertTrue(!iter0.hasNext());
    Assert.assertTrue(!iter1.hasNext());
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Examples of com.linkedin.databus.core.test.DbusEventGenerator

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    log.info("acquire empty iterator on empty buffers ");
    InternalEventIterator iter0 =
        dbusBuf.acquireInternalIterator(dbusBuf.getHead(), dbusBuf.getTail(), null);

    log.info("append a full window of events");
    final DbusEventGenerator generator = new DbusEventGenerator();
    final Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(15, 5, 120, 39, events);
    injectEventsInBuffer(dbusBuf, events, false);

    log.info("acquire oterh iterator on empty buffers ");
    //never move this one
    InternalEventIterator iter1 =
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Examples of com.linkedin.databus.core.test.DbusEventGenerator

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        new DbusEventBuffer(TestDbusEventBuffer.getConfig(
            1200, 500, 100, 500, AllocationPolicy.HEAP_MEMORY, QueuePolicy.OVERWRITE_ON_WRITE,
            AssertLevel.ALL));
    BufferPositionParser parser = dbusBuf.getBufferPositionParser();
    log.info("append initial events");
    DbusEventGenerator generator = new DbusEventGenerator();
    Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(7, 1, 120, 39, events);

    // Add events to the EventBuffer. Now the buffer is full
    DbusEventAppender appender = new DbusEventAppender(events,dbusBuf,null);
    appender.run(); // running in the same thread
    log.info("Head:" + parser.toString(dbusBuf.getHead()) + ", Tail:" + parser.toString(dbusBuf.getTail()));
    log.info("Num buffers: " + dbusBuf.getBuffer().length);
    log.info("Buffer: " + Arrays.toString(dbusBuf.getBuffer()));

    long headPos = dbusBuf.getHead();
    long tailPos = dbusBuf.getTail();
    long headGenId = parser.bufferGenId(headPos);
    long headIndexId = parser.bufferIndex(headPos);
    long headOffset = parser.bufferOffset(headPos);
    long tailGenId = parser.bufferGenId(tailPos);
    long tailIndexId = parser.bufferIndex(tailPos);
    long tailOffset = parser.bufferOffset(tailPos);

    assertEquals(0, headGenId);
    assertEquals(0, headIndexId);
    assertEquals(222, headOffset);
    assertEquals(1, tailGenId);
    assertEquals(0, tailIndexId);
    assertEquals(61, tailOffset);

    log.info("append windows with one small and one big event");
    generator = new DbusEventGenerator(100);
    events = new Vector<DbusEvent>();
    generator.generateEvents(1, 1, 280, 139, events);
    generator.generateEvents(1, 1, 480, 339, events);

    // Add events to the EventBuffer. Now the buffer is full
    appender = new DbusEventAppender(events,dbusBuf,null);
    appender.run(); // running in the same thread
    log.info("Head:" + parser.toString(dbusBuf.getHead()) + ", Tail:" + parser.toString(dbusBuf.getTail()));
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Examples of com.linkedin.databus.core.test.DbusEventGenerator

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        new DbusEventBuffer(TestDbusEventBuffer.getConfig(
            1200, 500, 100, 500, AllocationPolicy.HEAP_MEMORY, QueuePolicy.OVERWRITE_ON_WRITE,
            AssertLevel.ALL));
    BufferPositionParser parser = dbusBuf.getBufferPositionParser();
    log.info("append initial events");
    DbusEventGenerator generator = new DbusEventGenerator();
    Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(11, 1, 120, 39, events);

    // Add events to the EventBuffer. Now the buffer is full
    DbusEventAppender appender = new DbusEventAppender(events,dbusBuf,null);
    appender.run(); // running in the same thread
    log.info("Head:" + parser.toString(dbusBuf.getHead()) + ",Tail:" + parser.toString(dbusBuf.getTail()));
    log.info("Num buffers :" + dbusBuf.getBuffer().length);
    log.info("Buffer :" + Arrays.toString(dbusBuf.getBuffer()));

    long headPos = dbusBuf.getHead();
    long tailPos = dbusBuf.getTail();
    long headGenId = parser.bufferGenId(headPos);
    long headIndexId = parser.bufferIndex(headPos);
    long headOffset = parser.bufferOffset(headPos);
    long tailGenId = parser.bufferGenId(tailPos);
    long tailIndexId = parser.bufferIndex(tailPos);
    long tailOffset = parser.bufferOffset(tailPos);

    // current writing position should be 222 (id=1)
    assertEquals(0, headGenId);
    assertEquals(1, headIndexId);
    assertEquals(383, headOffset);
    assertEquals(1, tailGenId);
    assertEquals(1, tailIndexId);
    assertEquals(222, tailOffset);


    log.info("append event to stretch beyond limit but less than capacity");
    generator = new DbusEventGenerator(100);
    events = new Vector<DbusEvent>();
    generator.generateEvents(1, 1, 400, 150, events); // will add two event 61 + 150

    // Add events. this will cause limit increased
    appender = new DbusEventAppender(events,dbusBuf,null);
    appender.run();
    log.info("Head:" + parser.toString(dbusBuf.getHead()) + ",Tail:" + parser.toString(dbusBuf.getTail()));
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Examples of com.linkedin.databus.core.test.DbusEventGenerator

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    DbusEventBuffer dbusBuf =  new DbusEventBuffer(config);

    DbusEventBufferReflector bufferReflector = new DbusEventBufferReflector(dbusBuf);
   // BufferPositionParser parser = dbusBuf.getBufferPositionParser();
    log.info("append initial events");
    DbusEventGenerator generator = new DbusEventGenerator();
    Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(12, 2, 120, 39, events);


    // add first window with 2 events
    dbusBuf.start(-1);
    int i=0;
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Examples of com.linkedin.databus.core.test.DbusEventGenerator

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    }, "testGetLargeScn.streamThread");
    streamThread.setDaemon(true);
    streamThread.start();

    log.info("append initial events");
    DbusEventGenerator generator = new DbusEventGenerator();
    Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(70000, 1, 120, 39, events);

    // Add events to the EventBuffer. Now the buffer is full
    DbusEventAppender appender = new DbusEventAppender(events, dbusBuf, null);
    appender.run(); // running in the same thread
    genComplete.set(true);
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Examples of com.linkedin.databus.core.test.DbusEventGenerator

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      long prevScn = startScn - 1;

      int maxEventSize = 100;
      int payloadSize = 5;
      events.clear();
      DbusEventGenerator eventGen = new DbusEventGenerator(startScn + 1);
      long newScn =
          eventGen.generateEvents(numEvents,
                                  eventsPerWindow,
                                  maxEventSize,
                                  payloadSize,
                                  true,
                                  events);
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Examples of com.linkedin.databus.core.test.DbusEventGenerator

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  private void pushEventsToBuffer(DbusEventBuffer dbusBuf, int numEvents)
  {
    dbusBuf.start(1);
    dbusBuf.startEvents();
    DbusEventGenerator generator = new DbusEventGenerator();
    Vector<DbusEvent> events = new Vector<DbusEvent>();

    generator.generateEvents(numEvents, 1, 100, 10, events);

    // set end of windows
    for (int i=0; i < numEvents-1; ++i)
    {
      long scn = events.get(i).sequence();
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