Package io.druid.timeline

Examples of io.druid.timeline.DataSegment

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  {

    final Interval interval = new Interval("2011-10-01/2011-10-02");
    final ImmutableMap<String, Object> loadSpec = ImmutableMap.<String, Object>of("something", "or_other");

    DataSegment segment = new DataSegment(
        "something",
        interval,
        "1",
        loadSpec,
        Arrays.asList("dim1", "dim2"),
        Arrays.asList("met1", "met2"),
        new NoneShardSpec(),
        IndexIO.CURRENT_VERSION_ID,
        1
    );

    final Map<String, Object> objectMap = mapper.readValue(mapper.writeValueAsString(segment), new TypeReference<Map<String, Object>>(){});

    Assert.assertEquals(10, objectMap.size());
    Assert.assertEquals("something", objectMap.get("dataSource"));
    Assert.assertEquals(interval.toString(), objectMap.get("interval"));
    Assert.assertEquals("1", objectMap.get("version"));
    Assert.assertEquals(loadSpec, objectMap.get("loadSpec"));
    Assert.assertEquals("dim1,dim2", objectMap.get("dimensions"));
    Assert.assertEquals("met1,met2", objectMap.get("metrics"));
    Assert.assertEquals(ImmutableMap.of("type", "none"), objectMap.get("shardSpec"));
    Assert.assertEquals(IndexIO.CURRENT_VERSION_ID, objectMap.get("binaryVersion"));
    Assert.assertEquals(1, objectMap.get("size"));

    DataSegment deserializedSegment = mapper.readValue(mapper.writeValueAsString(segment), DataSegment.class);

    Assert.assertEquals(segment.getDataSource(), deserializedSegment.getDataSource());
    Assert.assertEquals(segment.getInterval(), deserializedSegment.getInterval());
    Assert.assertEquals(segment.getVersion(), deserializedSegment.getVersion());
    Assert.assertEquals(segment.getLoadSpec(), deserializedSegment.getLoadSpec());
    Assert.assertEquals(segment.getDimensions(), deserializedSegment.getDimensions());
    Assert.assertEquals(segment.getMetrics(), deserializedSegment.getMetrics());
    Assert.assertEquals(segment.getShardSpec(), deserializedSegment.getShardSpec());
    Assert.assertEquals(segment.getSize(), deserializedSegment.getSize());
    Assert.assertEquals(segment.getIdentifier(), deserializedSegment.getIdentifier());

    deserializedSegment = mapper.readValue(mapper.writeValueAsString(segment), DataSegment.class);
    Assert.assertEquals(0, segment.compareTo(deserializedSegment));

    deserializedSegment = mapper.readValue(mapper.writeValueAsString(segment), DataSegment.class);
    Assert.assertEquals(0, deserializedSegment.compareTo(segment));

    deserializedSegment = mapper.readValue(mapper.writeValueAsString(segment), DataSegment.class);
    Assert.assertEquals(segment.hashCode(), deserializedSegment.hashCode());
  }
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  }

  @Test
  public void testIdentifier()
  {
    final DataSegment segment = DataSegment.builder()
                                           .dataSource("foo")
                                           .interval(new Interval("2012-01-01/2012-01-02"))
                                           .version(new DateTime("2012-01-01T11:22:33.444Z").toString())
                                           .shardSpec(new NoneShardSpec())
                                           .build();

    Assert.assertEquals(
        "foo_2012-01-01T00:00:00.000Z_2012-01-02T00:00:00.000Z_2012-01-01T11:22:33.444Z",
        segment.getIdentifier()
    );
  }
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    List<ServerHolder> serverHolderList = Lists.newArrayList();
    Map<String, DataSegment> segmentMap = Maps.newHashMap();
    for (int i = 0; i < numSegments; i++) {
      segmentMap.put(
          "segment" + i,
          new DataSegment(
              "datasource" + i,
              new Interval(new DateTime("2012-01-01"), (new DateTime("2012-01-01")).plusHours(1)),
              (new DateTime("2012-03-01")).toString(),
              Maps.<String, Object>newHashMap(),
              Lists.<String>newArrayList(),
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  }

  @Test
  public void testIdentifierWithZeroPartition()
  {
    final DataSegment segment = DataSegment.builder()
                                           .dataSource("foo")
                                           .interval(new Interval("2012-01-01/2012-01-02"))
                                           .version(new DateTime("2012-01-01T11:22:33.444Z").toString())
                                           .shardSpec(new SingleDimensionShardSpec("bar", null, "abc", 0))
                                           .build();

    Assert.assertEquals(
        "foo_2012-01-01T00:00:00.000Z_2012-01-02T00:00:00.000Z_2012-01-01T11:22:33.444Z",
        segment.getIdentifier()
    );
  }
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  }

  @Test
  public void testIdentifierWithNonzeroPartition()
  {
    final DataSegment segment = DataSegment.builder()
                                           .dataSource("foo")
                                           .interval(new Interval("2012-01-01/2012-01-02"))
                                           .version(new DateTime("2012-01-01T11:22:33.444Z").toString())
                                           .shardSpec(new SingleDimensionShardSpec("bar", "abc", "def", 1))
                                           .build();

    Assert.assertEquals(
        "foo_2012-01-01T00:00:00.000Z_2012-01-02T00:00:00.000Z_2012-01-01T11:22:33.444Z_1",
        segment.getIdentifier()
    );
  }
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  }

  @Test
  public void testV1SerializationNullMetrics() throws Exception
  {
    final DataSegment segment = DataSegment.builder()
                                           .dataSource("foo")
                                           .interval(new Interval("2012-01-01/2012-01-02"))
                                           .version(new DateTime("2012-01-01T11:22:33.444Z").toString())
                                           .build();

    final DataSegment segment2 = mapper.readValue(mapper.writeValueAsString(segment), DataSegment.class);
    Assert.assertEquals("empty dimensions", ImmutableList.of(), segment2.getDimensions());
    Assert.assertEquals("empty metrics", ImmutableList.of(), segment2.getMetrics());
  }
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  {
    final String toServerName = toServer.getName();
    final LoadQueuePeon toPeon = params.getLoadManagementPeons().get(toServerName);

    final String fromServerName = segment.getFromServer().getName();
    final DataSegment segmentToMove = segment.getSegment();
    final String segmentName = segmentToMove.getIdentifier();

    if (!toPeon.getSegmentsToLoad().contains(segmentToMove) &&
        !currentlyMovingSegments.get("normal").containsKey(segmentName) &&
        !toServer.getSegments().containsKey(segmentName) &&
        new ServerHolder(toServer, toPeon).getAvailableSize() > segmentToMove.getSize()) {
      log.info(
          "Moving [%s] from [%s] to [%s]",
          segmentName,
          fromServerName,
          toServerName
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        final TaskLock myLock = Iterables.getOnlyElement(
            toolbox.getTaskActionClient()
                   .submit(new LockListAction())
        );

        final DataSegment segment = DataSegment.builder()
                                               .dataSource("ds")
                                               .interval(new Interval("2012-01-01/P1D"))
                                               .version(myLock.getVersion())
                                               .build();
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      @Override
      public TaskStatus run(TaskToolbox toolbox) throws Exception
      {
        final TaskLock myLock = Iterables.getOnlyElement(toolbox.getTaskActionClient().submit(new LockListAction()));

        final DataSegment segment = DataSegment.builder()
                                               .dataSource("ds")
                                               .interval(new Interval("2012-01-01/P2D"))
                                               .version(myLock.getVersion())
                                               .build();
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      @Override
      public TaskStatus run(TaskToolbox toolbox) throws Exception
      {
        final TaskLock myLock = Iterables.getOnlyElement(toolbox.getTaskActionClient().submit(new LockListAction()));

        final DataSegment segment = DataSegment.builder()
                                               .dataSource("ds")
                                               .interval(new Interval("2012-01-01/P1D"))
                                               .version(myLock.getVersion() + "1!!!1!!")
                                               .build();
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Related Classes of io.druid.timeline.DataSegment

  • io.druid.client.client.BatchServerInventoryViewTest
  • io.druid.client.DataSegmentTest
  • io.druid.client.DirectDruidClientTest
  • io.druid.client.DruidDataSource
  • io.druid.client.DruidServer
  • io.druid.client.indexing.IndexingServiceClient
  • io.druid.client.ServerInventoryView
  • io.druid.indexer.IndexGeneratorJob
  • io.druid.indexer.IndexGeneratorJob$IndexGeneratorReducer
  • io.druid.indexing.common.actions.TaskActionToolbox
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