How to use

org.apache.storm.generated.GlobalStreamId

constructor

public static GlobalStreamId getGlobalStreamId(String streamId, String componentId) {
  if (componentId == null) {
    return new GlobalStreamId(streamId, DEFAULT_STREAM_ID);
  }
  return new GlobalStreamId(streamId, componentId);
}

/**
 * Get the global stream id for this input stream.
 * @return the GlobalStreamId for this input stream.
 */
public synchronized GlobalStreamId gsid() {
  if (gsid == null) {
    gsid = new GlobalStreamId(fromComponent, id);
  }
  return gsid;
}

protected IdStreamSpec(String component, String stream) {
  _id = new GlobalStreamId(component, stream);
}

public GlobalStreamId deepCopy() {
 return new GlobalStreamId(this);
}

  @Override
  public GlobalStreamId transform(Object key) {
    if (key instanceof List) {
      List l = (List) key;
      if (l.size() > 1) {
        return new GlobalStreamId((String) l.get(0), (String) l.get(1));
      }
    }
    return new GlobalStreamId("", key.toString());
  }
}

private static GlobalStreamId toGlobalStreamId(List list) {
  return new GlobalStreamId((String) list.get(0), (String) list.get(1));
}

private void markBatchGroups(String component, Map<String, String> batchGroups) {
  for (Map.Entry<String, String> entry : batchGroups.entrySet()) {
    batchIds.put(new GlobalStreamId(component, entry.getKey()), entry.getValue());
  }
}

  @Override
  public GlobalStreamId getSourceGlobalStreamId() {
    return new GlobalStreamId("s1", "default");
  }
};

private BoltDeclarer grouping(String componentId, String streamId, Grouping grouping) {
  commons.get(_boltId).put_to_inputs(new GlobalStreamId(componentId, streamId), grouping);
  return this;
}

@Override
public GlobalStreamId getSourceGlobalStreamId() {
  return new GlobalStreamId(getSourceComponent(), streamId);
}

List<GlobalStreamId> getBoltSubscriptionStreams(String id) {
  List<GlobalStreamId> ret = new ArrayList<>();
  Component c = bolts.get(id);
  for (InputDeclaration d : c.declarations) {
    ret.add(new GlobalStreamId(d.getComponent(), d.getStream()));
  }
  return ret;
}

public OutputStream remap(String origId, Map<GlobalStreamId, GlobalStreamId> remappedStreams) {
  GlobalStreamId remapped = remappedStreams.get(new GlobalStreamId(origId, id));
  return new OutputStream(remapped.get_streamId(), rate, areKeysSkewed);
}

private TopologyContext getTopologyContext() {
  TopologyContext context = Mockito.mock(TopologyContext.class);
  Map<GlobalStreamId, Grouping> sources = Collections.singletonMap(
    new GlobalStreamId("s1", "default"),
    null
  );
  Mockito.when(context.getThisSources()).thenReturn(sources);
  return context;
}

private Tuple getTuple(String streamId, final Fields fields, Values values, String srcComponent) {
  return new TupleImpl(getContext(fields), values, srcComponent, 1, streamId) {
    @Override
    public GlobalStreamId getSourceGlobalStreamId() {
      return new GlobalStreamId("s1", "default");
    }
  };
}

  private List<Tuple> getMockTuples(int count) {
    List<Tuple> mockTuples = new ArrayList<>();
    for (long i = 0; i < count; i++) {
      Tuple mockTuple = Mockito.mock(Tuple.class);
      Mockito.when(mockTuple.getLongByField("msgid")).thenReturn(i);
      Mockito.when(mockTuple.getSourceTask()).thenReturn(1);
      Mockito.when(mockTuple.getSourceGlobalStreamId()).thenReturn(new GlobalStreamId("a", "s"));
      mockTuples.add(mockTuple);
    }
    return mockTuples;
  }
}

@Test
public void testSpoutToBolt() throws Exception {
  Stream<Tuple> stream = streamBuilder.newStream(newSpout(Utils.DEFAULT_STREAM_ID));
  stream.to(newBolt());
  StormTopology topology = streamBuilder.build();
  assertEquals(1, topology.get_spouts_size());
  assertEquals(1, topology.get_bolts_size());
  String spoutId = topology.get_spouts().keySet().iterator().next();
  Map<GlobalStreamId, Grouping> expected = new HashMap<>();
  expected.put(new GlobalStreamId(spoutId, "default"), Grouping.shuffle(new NullStruct()));
  assertEquals(expected, topology.get_bolts().values().iterator().next().get_common().get_inputs());
}

  @Test
  public void testEmptyState() throws IOException {
    TmpPath tmp_dir = new TmpPath();
    String dir = tmp_dir.getPath();
    LocalState ls = new LocalState(dir, true);
    GlobalStreamId gs_a = new GlobalStreamId("a", "a");
    FileOutputStream data = FileUtils.openOutputStream(new File(dir, "12345"));
    FileOutputStream version = FileUtils.openOutputStream(new File(dir, "12345.version"));
    Assert.assertNull(ls.get("c"));
    ls.put("a", gs_a);
    Assert.assertEquals(gs_a, ls.get("a"));

  }
}

@Test
public void testDeserialize_readingFromGzip() throws Exception {
  GlobalStreamId id = new GlobalStreamId("first", "second");
  byte[] serialized = new GzipThriftSerializationDelegate().serialize(id);
  GlobalStreamId id2 = testDelegate.deserialize(serialized, GlobalStreamId.class);
  assertEquals(id2.get_componentId(), id.get_componentId());
  assertEquals(id2.get_streamId(), id.get_streamId());
}

@Test
public void testDeserialize_readingFromGzipBridge() throws Exception {
  GlobalStreamId id = new GlobalStreamId("first", "second");
  byte[] serialized = new GzipBridgeThriftSerializationDelegate().serialize(id);
  GlobalStreamId id2 = testDelegate.deserialize(serialized, GlobalStreamId.class);
  assertEquals(id2.get_componentId(), id.get_componentId());
  assertEquals(id2.get_streamId(), id.get_streamId());
}

  @Test
  public void testDeserialize_readingFromDefault() throws Exception {
    GlobalStreamId id = new GlobalStreamId("A", "B");

    byte[] serialized = new ThriftSerializationDelegate().serialize(id);

    GlobalStreamId id2 = testDelegate.deserialize(serialized, GlobalStreamId.class);

    assertEquals(id2.get_componentId(), id.get_componentId());
    assertEquals(id2.get_streamId(), id.get_streamId());
  }
}