Package io.druid.jackson

Examples of io.druid.jackson.DefaultObjectMapper

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    Histogram h = new Histogram(breaks, bins, -1f, 1f);

    Double[] visualBreaks = {-1.0, -0.5, 0.0, 0.5, 1.0};
    Double[] visualCounts = { 123., 4., 56., 7. };

    ObjectMapper objectMapper = new DefaultObjectMapper();
    String json = objectMapper.writeValueAsString(h.asVisual());

    Map<String,Object> expectedObj = Maps.newLinkedHashMap();
    expectedObj.put("breaks", Arrays.asList(visualBreaks));
    expectedObj.put("counts", Arrays.asList(visualCounts));
    expectedObj.put("quantiles", Arrays.asList(new Double[]{-1.0, 1.0}));

    Map<String,Object> obj = (Map<String, Object>)objectMapper.readValue(json, Object.class);
    Assert.assertEquals(expectedObj, obj);
  }
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         ImmutableMap.<String, Integer>of(DruidServer.DEFAULT_TIER, 2),
         null,
         null
     );
     ObjectMapper jsonMapper = new DefaultObjectMapper();
     Rule reread = jsonMapper.readValue(jsonMapper.writeValueAsString(rule), Rule.class);
     Assert.assertEquals(rule, reread);
   }
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  }

  @Test
  public void testSerializePeriod() throws Exception
  {
    ObjectMapper mapper = new DefaultObjectMapper();

    String json = "{ \"type\": \"period\", \"period\": \"P1D\" }";
    QueryGranularity gran = mapper.readValue(json, QueryGranularity.class);
    Assert.assertEquals(new PeriodGranularity(new Period("P1D"), null, null), gran);

    json =   "{ \"type\": \"period\", \"period\": \"P1D\","
           + "\"timeZone\": \"America/Los_Angeles\", \"origin\": \"1970-01-01T00:00:00Z\"}";
    gran = mapper.readValue(json, QueryGranularity.class);
    Assert.assertEquals(new PeriodGranularity(new Period("P1D"), new DateTime(0l), DateTimeZone.forID("America/Los_Angeles")), gran);

    QueryGranularity expected = new PeriodGranularity(
        new Period("P1D"),
        new DateTime("2012-01-01"),
        DateTimeZone.forID("America/Los_Angeles")
    );

    String jsonOut = mapper.writeValueAsString(expected);
    Assert.assertEquals(expected, mapper.readValue(jsonOut, QueryGranularity.class));

  }
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  }

  @Test
  public void testSerializeDuration() throws Exception
  {
    ObjectMapper mapper = new DefaultObjectMapper();

    String json = "{ \"type\": \"duration\", \"duration\": \"3600000\" }";
    QueryGranularity gran = mapper.readValue(json, QueryGranularity.class);
    Assert.assertEquals(new DurationGranularity(3600000, null), gran);

    json = "{ \"type\": \"duration\", \"duration\": \"5\", \"origin\": \"2012-09-01T00:00:00.002Z\" }";
    gran = mapper.readValue(json, QueryGranularity.class);
    Assert.assertEquals(new DurationGranularity(5, 2), gran);

    DurationGranularity expected = new DurationGranularity(5, 2);
    Assert.assertEquals(expected, mapper.readValue(mapper.writeValueAsString(expected), QueryGranularity.class));
  }
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  }

  @Test
  public void testSerializeSimple() throws Exception
  {
    ObjectMapper mapper = new DefaultObjectMapper();

    Assert.assertEquals(
      QueryGranularity.ALL,
      mapper.readValue(
        mapper.writeValueAsString(QueryGranularity.ALL),
        QueryGranularity.class
      )
    );

    Assert.assertEquals(
      QueryGranularity.NONE,
      mapper.readValue(
        mapper.writeValueAsString(QueryGranularity.NONE),
        QueryGranularity.class
      )
    );
  }
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        null
    );
    final TaskStatus status = TaskStatus.running(task.getId());
    final TaskAnnouncement announcement = TaskAnnouncement.create(task, status);

    final ObjectMapper jsonMapper = new DefaultObjectMapper();
    final String statusJson = jsonMapper.writeValueAsString(status);
    final String announcementJson = jsonMapper.writeValueAsString(announcement);

    final TaskStatus statusFromStatus = jsonMapper.readValue(statusJson, TaskStatus.class);
    final TaskStatus statusFromAnnouncement = jsonMapper.readValue(announcementJson, TaskStatus.class);
    final TaskAnnouncement announcementFromStatus = jsonMapper.readValue(statusJson, TaskAnnouncement.class);
    final TaskAnnouncement announcementFromAnnouncement = jsonMapper.readValue(
        announcementJson,
        TaskAnnouncement.class
    );

    Assert.assertEquals("theid", statusFromStatus.getId());
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    }

    String hostname = cmd.getOptionValue("e", "localhost:8080");
    String sql = cmd.getArgs().length > 0 ? cmd.getArgs()[0] : STATEMENT;

    ObjectMapper objectMapper = new DefaultObjectMapper();
    ObjectWriter jsonWriter = objectMapper.writerWithDefaultPrettyPrinter();

    CharStream stream = new ANTLRInputStream(sql);
    DruidSQLLexer lexer = new DruidSQLLexer(stream);
    TokenStream tokenStream = new CommonTokenStream(lexer);
    DruidSQLParser parser = new DruidSQLParser(tokenStream);
    lexer.removeErrorListeners();
    parser.removeErrorListeners();

    lexer.addErrorListener(ConsoleErrorListener.INSTANCE);
    parser.addErrorListener(ConsoleErrorListener.INSTANCE);

    try {
      DruidSQLParser.QueryContext queryContext = parser.query();
      if(parser.getNumberOfSyntaxErrors() > 0) throw new IllegalStateException();
//      parser.setBuildParseTree(true);
//      System.err.println(q.toStringTree(parser));
    } catch(Exception e) {
      String msg = e.getMessage();
      if(msg != null) System.err.println(e);
      System.exit(1);
    }

    final Query query;
    final TypeReference typeRef;
    boolean groupBy = false;
    if(parser.groupByDimensions.isEmpty()) {
      query = Druids.newTimeseriesQueryBuilder()
                  .dataSource(parser.getDataSource())
                  .aggregators(new ArrayList<AggregatorFactory>(parser.aggregators.values()))
                  .postAggregators(parser.postAggregators)
                  .intervals(parser.intervals)
                  .granularity(parser.granularity)
                  .filters(parser.filter)
                  .build();

      typeRef = new TypeReference<List<Result<TimeseriesResultValue>>>(){};
    } else {
      query = GroupByQuery.builder()
              .setDataSource(parser.getDataSource())
              .setAggregatorSpecs(new ArrayList<AggregatorFactory>(parser.aggregators.values()))
              .setPostAggregatorSpecs(parser.postAggregators)
              .setInterval(parser.intervals)
              .setGranularity(parser.granularity)
              .setDimFilter(parser.filter)
              .setDimensions(new ArrayList<DimensionSpec>(parser.groupByDimensions.values()))
              .build();

      typeRef = new TypeReference<List<Row>>(){};
      groupBy = true;
    }

    String queryStr = jsonWriter.writeValueAsString(query);
    if(cmd.hasOption("v")) System.err.println(queryStr);

    URL url = new URL(String.format("http://%s/druid/v2/?pretty", hostname));
    final URLConnection urlConnection = url.openConnection();
    urlConnection.addRequestProperty("content-type", "application/json");
    urlConnection.getOutputStream().write(queryStr.getBytes(Charsets.UTF_8));
    BufferedReader stdInput = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), Charsets.UTF_8));

    Object res = objectMapper.readValue(stdInput, typeRef);

    Joiner tabJoiner = Joiner.on("\t");

    if(groupBy) {
      List<Row> rows = (List<Row>)res;
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  @Parameterized.Parameters
  public static Collection<?> constructorFeeder() throws IOException
  {
    return QueryRunnerTestHelper.makeQueryRunners(
        new SelectQueryRunnerFactory(
            new SelectQueryQueryToolChest(new QueryConfig(), new DefaultObjectMapper()),
            new SelectQueryEngine(),
            QueryRunnerTestHelper.NOOP_QUERYWATCHER
        )
    );
  }
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    final GroupByQueryRunnerFactory factory = new GroupByQueryRunnerFactory(
        engine,
        QueryRunnerTestHelper.NOOP_QUERYWATCHER,
        configSupplier,
        new GroupByQueryQueryToolChest(configSupplier, new DefaultObjectMapper(), engine, TestQueryRunners.pool),
        TestQueryRunners.pool
    );

    final Collection<?> objects = QueryRunnerTestHelper.makeQueryRunners(factory);
    Object[][] newObjects = new Object[objects.size()][];
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                                                  "finalize",
                                                  true
                                              )
                                          ).build();

    final ObjectMapper mapper = new DefaultObjectMapper();

    final TimeBoundaryQuery serdeQuery = mapper.readValue(
        mapper.writeValueAsBytes(
            mapper.readValue(
                mapper.writeValueAsString(
                    query
                ), TimeBoundaryQuery.class
            )
        ), TimeBoundaryQuery.class
    );
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