Examples with StringDimensionSchema org.apache.druid.data.input.impl.StringDimensionSchema used on opensource projects

Example 1 with StringDimensionSchema

use of org.apache.druid.data.input.impl.StringDimensionSchema in project druid by druid-io.

the class DataGeneratorTest method testToIndex.

@Test
public void testToIndex() {
    List<GeneratorColumnSchema> schemas = new ArrayList<>();
    schemas.add(GeneratorColumnSchema.makeSequential("dimA", ValueType.STRING, false, 1, null, 10, 20));
    schemas.add(GeneratorColumnSchema.makeEnumeratedSequential("dimB", ValueType.STRING, false, 1, null, Arrays.asList("Hello", "World", "Foo", "Bar")));
    schemas.add(GeneratorColumnSchema.makeSequential("dimC", ValueType.STRING, false, 1, 0.50, 30, 40));
    DataGenerator dataGenerator = new DataGenerator(schemas, 9999, 0, 0, 1000.0);
    DimensionsSpec dimensions = new DimensionsSpec(Arrays.asList(new StringDimensionSchema("dimA"), new StringDimensionSchema("dimB"), new StringDimensionSchema("dimC")));
    AggregatorFactory[] metrics = { new CountAggregatorFactory("cnt") };
    final IncrementalIndexSchema schema = new IncrementalIndexSchema.Builder().withQueryGranularity(Granularities.MINUTE).withDimensionsSpec(dimensions).withMetrics(metrics).withRollup(false).build();
    IncrementalIndex index = new OnheapIncrementalIndex.Builder().setIndexSchema(schema).setSortFacts(false).setMaxRowCount(1_000_000).build();
    dataGenerator.addToIndex(index, 100);
    Assert.assertEquals(100, index.size());
}

Example 2 with StringDimensionSchema

use of org.apache.druid.data.input.impl.StringDimensionSchema in project druid by druid-io.

the class IndexMergerTestBase method testMultivalDim_mergeAcrossSegments_rollupWorks.

@Test
public void testMultivalDim_mergeAcrossSegments_rollupWorks() throws Exception {
    List<String> dims = Arrays.asList("dimA", "dimMultiVal");
    IncrementalIndexSchema indexSchema = new IncrementalIndexSchema.Builder().withDimensionsSpec(new DimensionsSpec(ImmutableList.of(new StringDimensionSchema("dimA", MultiValueHandling.SORTED_ARRAY, true), new StringDimensionSchema("dimMultiVal", MultiValueHandling.SORTED_ARRAY, true)))).withMetrics(new LongSumAggregatorFactory("sumCount", "sumCount")).withRollup(true).build();
    IncrementalIndex toPersistA = new OnheapIncrementalIndex.Builder().setIndexSchema(indexSchema).setMaxRowCount(1000).build();
    Map<String, Object> event1 = new HashMap<>();
    event1.put("dimA", "leek");
    event1.put("dimMultiVal", ImmutableList.of("1", "2", "4"));
    event1.put("sumCount", 1L);
    Map<String, Object> event2 = new HashMap<>();
    event2.put("dimA", "leek");
    event2.put("dimMultiVal", ImmutableList.of("1", "2", "3", "5"));
    event2.put("sumCount", 1L);
    toPersistA.add(new MapBasedInputRow(1, dims, event1));
    toPersistA.add(new MapBasedInputRow(1, dims, event2));
    IncrementalIndex toPersistB = new OnheapIncrementalIndex.Builder().setIndexSchema(indexSchema).setMaxRowCount(1000).build();
    Map<String, Object> event3 = new HashMap<>();
    event3.put("dimA", "leek");
    event3.put("dimMultiVal", ImmutableList.of("1", "2", "4"));
    event3.put("sumCount", 1L);
    Map<String, Object> event4 = new HashMap<>();
    event4.put("dimA", "potato");
    event4.put("dimMultiVal", ImmutableList.of("0", "1", "4"));
    event4.put("sumCount", 1L);
    toPersistB.add(new MapBasedInputRow(1, dims, event3));
    toPersistB.add(new MapBasedInputRow(1, dims, event4));
    final File tmpDirA = temporaryFolder.newFolder();
    final File tmpDirB = temporaryFolder.newFolder();
    final File tmpDirMerged = temporaryFolder.newFolder();
    QueryableIndex indexA = closer.closeLater(indexIO.loadIndex(indexMerger.persist(toPersistA, tmpDirA, indexSpec, null)));
    QueryableIndex indexB = closer.closeLater(indexIO.loadIndex(indexMerger.persist(toPersistB, tmpDirB, indexSpec, null)));
    final QueryableIndex merged = closer.closeLater(indexIO.loadIndex(indexMerger.mergeQueryableIndex(Arrays.asList(indexA, indexB), true, new AggregatorFactory[] { new LongSumAggregatorFactory("sumCount", "sumCount") }, tmpDirMerged, indexSpec, null, -1)));
    final QueryableIndexIndexableAdapter adapter = new QueryableIndexIndexableAdapter(merged);
    final List<DebugRow> rowList = RowIteratorHelper.toList(adapter.getRows());
    Assert.assertEquals(ImmutableList.of("dimA", "dimMultiVal"), ImmutableList.copyOf(adapter.getDimensionNames()));
    Assert.assertEquals(3, rowList.size());
    Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "2", "3", "5")), rowList.get(0).dimensionValues());
    Assert.assertEquals(1L, rowList.get(0).metricValues().get(0));
    Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "2", "4")), rowList.get(1).dimensionValues());
    Assert.assertEquals(2L, rowList.get(1).metricValues().get(0));
    Assert.assertEquals(Arrays.asList("potato", Arrays.asList("0", "1", "4")), rowList.get(2).dimensionValues());
    Assert.assertEquals(1L, rowList.get(2).metricValues().get(0));
    checkBitmapIndex(Arrays.asList(0, 1), adapter.getBitmapIndex("dimA", "leek"));
    checkBitmapIndex(Collections.singletonList(2), adapter.getBitmapIndex("dimA", "potato"));
    checkBitmapIndex(Collections.singletonList(2), adapter.getBitmapIndex("dimMultiVal", "0"));
    checkBitmapIndex(Arrays.asList(0, 1, 2), adapter.getBitmapIndex("dimMultiVal", "1"));
    checkBitmapIndex(Arrays.asList(0, 1), adapter.getBitmapIndex("dimMultiVal", "2"));
    checkBitmapIndex(Collections.singletonList(0), adapter.getBitmapIndex("dimMultiVal", "3"));
    checkBitmapIndex(Arrays.asList(1, 2), adapter.getBitmapIndex("dimMultiVal", "4"));
    checkBitmapIndex(Collections.singletonList(0), adapter.getBitmapIndex("dimMultiVal", "5"));
}

Example 3 with StringDimensionSchema

use of org.apache.druid.data.input.impl.StringDimensionSchema in project druid by druid-io.

the class IndexMergerTestBase method getIndexWithNumericDims.

private IncrementalIndex getIndexWithNumericDims() throws Exception {
    IncrementalIndex index = getIndexWithDimsFromSchemata(Arrays.asList(new LongDimensionSchema("dimA"), new FloatDimensionSchema("dimB"), new StringDimensionSchema("dimC", MultiValueHandling.SORTED_ARRAY, useBitmapIndexes)));
    index.add(new MapBasedInputRow(1, Arrays.asList("dimA", "dimB", "dimC"), ImmutableMap.of("dimA", 100L, "dimB", 4000.567, "dimC", "Hello")));
    index.add(new MapBasedInputRow(1, Arrays.asList("dimA", "dimB", "dimC"), ImmutableMap.of("dimA", 72L, "dimB", 60000.789, "dimC", "World")));
    index.add(new MapBasedInputRow(1, Arrays.asList("dimA", "dimB", "dimC"), ImmutableMap.of("dimA", 3001L, "dimB", 1.2345, "dimC", "Foobar")));
    index.add(new MapBasedInputRow(1, Arrays.asList("dimA", "dimB", "dimC"), ImmutableMap.of("dimC", "Nully Row")));
    return index;
}

Example 4 with StringDimensionSchema

use of org.apache.druid.data.input.impl.StringDimensionSchema in project druid by druid-io.

the class IndexMergerTestBase method testMultivalDim_persistAndMerge_dimensionValueOrderingRules.

@Test
public void testMultivalDim_persistAndMerge_dimensionValueOrderingRules() throws Exception {
    List<String> dims = Arrays.asList("dimA", "dimMultiVal");
    IncrementalIndexSchema indexSchema = new IncrementalIndexSchema.Builder().withDimensionsSpec(new DimensionsSpec(ImmutableList.of(new StringDimensionSchema("dimA", MultiValueHandling.SORTED_ARRAY, true), new StringDimensionSchema("dimMultiVal", MultiValueHandling.SORTED_ARRAY, true)))).withMetrics(new LongSumAggregatorFactory("sumCount", "sumCount")).withRollup(true).build();
    Map<String, Object> nullEvent = new HashMap<>();
    nullEvent.put("dimA", "leek");
    nullEvent.put("sumCount", 1L);
    Map<String, Object> nullEvent2 = new HashMap<>();
    nullEvent2.put("dimA", "leek");
    nullEvent2.put("dimMultiVal", null);
    nullEvent2.put("sumCount", 1L);
    Map<String, Object> emptyListEvent = new HashMap<>();
    emptyListEvent.put("dimA", "leek");
    emptyListEvent.put("dimMultiVal", ImmutableList.of());
    emptyListEvent.put("sumCount", 1L);
    List<String> listWithNull = new ArrayList<>();
    listWithNull.add(null);
    Map<String, Object> listWithNullEvent = new HashMap<>();
    listWithNullEvent.put("dimA", "leek");
    listWithNullEvent.put("dimMultiVal", listWithNull);
    listWithNullEvent.put("sumCount", 1L);
    Map<String, Object> emptyStringEvent = new HashMap<>();
    emptyStringEvent.put("dimA", "leek");
    emptyStringEvent.put("dimMultiVal", "");
    emptyStringEvent.put("sumCount", 1L);
    Map<String, Object> listWithEmptyStringEvent = new HashMap<>();
    listWithEmptyStringEvent.put("dimA", "leek");
    listWithEmptyStringEvent.put("dimMultiVal", ImmutableList.of(""));
    listWithEmptyStringEvent.put("sumCount", 1L);
    Map<String, Object> singleValEvent = new HashMap<>();
    singleValEvent.put("dimA", "leek");
    singleValEvent.put("dimMultiVal", "1");
    singleValEvent.put("sumCount", 1L);
    Map<String, Object> singleValEvent2 = new HashMap<>();
    singleValEvent2.put("dimA", "leek");
    singleValEvent2.put("dimMultiVal", "2");
    singleValEvent2.put("sumCount", 1L);
    Map<String, Object> singleValEvent3 = new HashMap<>();
    singleValEvent3.put("dimA", "potato");
    singleValEvent3.put("dimMultiVal", "2");
    singleValEvent3.put("sumCount", 1L);
    Map<String, Object> listWithSingleValEvent = new HashMap<>();
    listWithSingleValEvent.put("dimA", "leek");
    listWithSingleValEvent.put("dimMultiVal", ImmutableList.of("1"));
    listWithSingleValEvent.put("sumCount", 1L);
    Map<String, Object> listWithSingleValEvent2 = new HashMap<>();
    listWithSingleValEvent2.put("dimA", "leek");
    listWithSingleValEvent2.put("dimMultiVal", ImmutableList.of("2"));
    listWithSingleValEvent2.put("sumCount", 1L);
    Map<String, Object> listWithSingleValEvent3 = new HashMap<>();
    listWithSingleValEvent3.put("dimA", "potato");
    listWithSingleValEvent3.put("dimMultiVal", ImmutableList.of("2"));
    listWithSingleValEvent3.put("sumCount", 1L);
    Map<String, Object> multivalEvent = new HashMap<>();
    multivalEvent.put("dimA", "leek");
    multivalEvent.put("dimMultiVal", ImmutableList.of("1", "3"));
    multivalEvent.put("sumCount", 1L);
    Map<String, Object> multivalEvent2 = new HashMap<>();
    multivalEvent2.put("dimA", "leek");
    multivalEvent2.put("dimMultiVal", ImmutableList.of("1", "4"));
    multivalEvent2.put("sumCount", 1L);
    Map<String, Object> multivalEvent3 = new HashMap<>();
    multivalEvent3.put("dimA", "leek");
    multivalEvent3.put("dimMultiVal", ImmutableList.of("1", "3", "5"));
    multivalEvent3.put("sumCount", 1L);
    Map<String, Object> multivalEvent4 = new HashMap<>();
    multivalEvent4.put("dimA", "leek");
    multivalEvent4.put("dimMultiVal", ImmutableList.of("1", "2", "3"));
    multivalEvent4.put("sumCount", 1L);
    List<String> multivalEvent5List = Arrays.asList("1", "2", "3", null);
    Map<String, Object> multivalEvent5 = new HashMap<>();
    multivalEvent5.put("dimA", "leek");
    multivalEvent5.put("dimMultiVal", multivalEvent5List);
    multivalEvent5.put("sumCount", 1L);
    List<String> multivalEvent6List = Arrays.asList(null, "3");
    Map<String, Object> multivalEvent6 = new HashMap<>();
    multivalEvent6.put("dimA", "leek");
    multivalEvent6.put("dimMultiVal", multivalEvent6List);
    multivalEvent6.put("sumCount", 1L);
    Map<String, Object> multivalEvent7 = new HashMap<>();
    multivalEvent7.put("dimA", "leek");
    multivalEvent7.put("dimMultiVal", ImmutableList.of("1", "2", "3", ""));
    multivalEvent7.put("sumCount", 1L);
    Map<String, Object> multivalEvent8 = new HashMap<>();
    multivalEvent8.put("dimA", "leek");
    multivalEvent8.put("dimMultiVal", ImmutableList.of("", "3"));
    multivalEvent8.put("sumCount", 1L);
    Map<String, Object> multivalEvent9 = new HashMap<>();
    multivalEvent9.put("dimA", "potato");
    multivalEvent9.put("dimMultiVal", ImmutableList.of("1", "3"));
    multivalEvent9.put("sumCount", 1L);
    List<Map<String, Object>> events = ImmutableList.of(nullEvent, nullEvent2, emptyListEvent, listWithNullEvent, emptyStringEvent, listWithEmptyStringEvent, singleValEvent, singleValEvent2, singleValEvent3, listWithSingleValEvent, listWithSingleValEvent2, listWithSingleValEvent3, multivalEvent, multivalEvent2, multivalEvent3, multivalEvent4, multivalEvent5, multivalEvent6, multivalEvent7, multivalEvent8, multivalEvent9);
    IncrementalIndex toPersistA = new OnheapIncrementalIndex.Builder().setIndexSchema(indexSchema).setMaxRowCount(1000).build();
    for (Map<String, Object> event : events) {
        toPersistA.add(new MapBasedInputRow(1, dims, event));
    }
    final File tmpDirA = temporaryFolder.newFolder();
    QueryableIndex indexA = closer.closeLater(indexIO.loadIndex(indexMerger.persist(toPersistA, tmpDirA, indexSpec, null)));
    List<QueryableIndex> singleEventIndexes = new ArrayList<>();
    for (Map<String, Object> event : events) {
        IncrementalIndex toPersist = new OnheapIncrementalIndex.Builder().setIndexSchema(indexSchema).setMaxRowCount(1000).build();
        toPersist.add(new MapBasedInputRow(1, dims, event));
        final File tmpDir = temporaryFolder.newFolder();
        QueryableIndex queryableIndex = closer.closeLater(indexIO.loadIndex(indexMerger.persist(toPersist, tmpDir, indexSpec, null)));
        singleEventIndexes.add(queryableIndex);
    }
    singleEventIndexes.add(indexA);
    final File tmpDirMerged = temporaryFolder.newFolder();
    final QueryableIndex merged = closer.closeLater(indexIO.loadIndex(indexMerger.mergeQueryableIndex(singleEventIndexes, true, new AggregatorFactory[] { new LongSumAggregatorFactory("sumCount", "sumCount") }, tmpDirMerged, indexSpec, null, -1)));
    final QueryableIndexIndexableAdapter adapter = new QueryableIndexIndexableAdapter(merged);
    final List<DebugRow> rowList = RowIteratorHelper.toList(adapter.getRows());
    Assert.assertEquals(ImmutableList.of("dimA", "dimMultiVal"), ImmutableList.copyOf(adapter.getDimensionNames()));
    if (NullHandling.replaceWithDefault()) {
        Assert.assertEquals(11, rowList.size());
        Assert.assertEquals(Arrays.asList("leek", null), rowList.get(0).dimensionValues());
        Assert.assertEquals(12L, rowList.get(0).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList(null, "1", "2", "3")), rowList.get(1).dimensionValues());
        Assert.assertEquals(4L, rowList.get(1).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList(null, "3")), rowList.get(2).dimensionValues());
        Assert.assertEquals(4L, rowList.get(2).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", "1"), rowList.get(3).dimensionValues());
        Assert.assertEquals(4L, rowList.get(3).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "2", "3")), rowList.get(4).dimensionValues());
        Assert.assertEquals(2L, rowList.get(4).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "3")), rowList.get(5).dimensionValues());
        Assert.assertEquals(2L, rowList.get(5).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "3", "5")), rowList.get(6).dimensionValues());
        Assert.assertEquals(2L, rowList.get(6).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "4")), rowList.get(7).dimensionValues());
        Assert.assertEquals(2L, rowList.get(7).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", "2"), rowList.get(8).dimensionValues());
        Assert.assertEquals(4L, rowList.get(8).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("potato", Arrays.asList("1", "3")), rowList.get(9).dimensionValues());
        Assert.assertEquals(2L, rowList.get(9).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("potato", "2"), rowList.get(10).dimensionValues());
        Assert.assertEquals(4L, rowList.get(10).metricValues().get(0));
        checkBitmapIndex(Arrays.asList(0, 1, 2, 3, 4, 5, 6, 7, 8), adapter.getBitmapIndex("dimA", "leek"));
        checkBitmapIndex(Arrays.asList(9, 10), adapter.getBitmapIndex("dimA", "potato"));
        checkBitmapIndex(Arrays.asList(0, 1, 2), adapter.getBitmapIndex("dimMultiVal", null));
        checkBitmapIndex(ImmutableList.of(), adapter.getBitmapIndex("dimMultiVal", ""));
        checkBitmapIndex(Arrays.asList(1, 3, 4, 5, 6, 7, 9), adapter.getBitmapIndex("dimMultiVal", "1"));
        checkBitmapIndex(Arrays.asList(1, 4, 8, 10), adapter.getBitmapIndex("dimMultiVal", "2"));
        checkBitmapIndex(Arrays.asList(1, 2, 4, 5, 6, 9), adapter.getBitmapIndex("dimMultiVal", "3"));
        checkBitmapIndex(Collections.singletonList(7), adapter.getBitmapIndex("dimMultiVal", "4"));
        checkBitmapIndex(Collections.singletonList(6), adapter.getBitmapIndex("dimMultiVal", "5"));
    } else {
        Assert.assertEquals(14, rowList.size());
        Assert.assertEquals(Arrays.asList("leek", null), rowList.get(0).dimensionValues());
        Assert.assertEquals(8L, rowList.get(0).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList(null, "1", "2", "3")), rowList.get(1).dimensionValues());
        Assert.assertEquals(2L, rowList.get(1).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList(null, "3")), rowList.get(2).dimensionValues());
        Assert.assertEquals(2L, rowList.get(2).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", ""), rowList.get(3).dimensionValues());
        Assert.assertEquals(4L, rowList.get(3).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("", "1", "2", "3")), rowList.get(4).dimensionValues());
        Assert.assertEquals(2L, rowList.get(4).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("", "3")), rowList.get(5).dimensionValues());
        Assert.assertEquals(2L, rowList.get(5).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", "1"), rowList.get(6).dimensionValues());
        Assert.assertEquals(4L, rowList.get(6).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "2", "3")), rowList.get(7).dimensionValues());
        Assert.assertEquals(2L, rowList.get(7).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "3")), rowList.get(8).dimensionValues());
        Assert.assertEquals(2L, rowList.get(8).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "3", "5")), rowList.get(9).dimensionValues());
        Assert.assertEquals(2L, rowList.get(9).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", Arrays.asList("1", "4")), rowList.get(10).dimensionValues());
        Assert.assertEquals(2L, rowList.get(10).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("leek", "2"), rowList.get(11).dimensionValues());
        Assert.assertEquals(4L, rowList.get(11).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("potato", Arrays.asList("1", "3")), rowList.get(12).dimensionValues());
        Assert.assertEquals(2L, rowList.get(12).metricValues().get(0));
        Assert.assertEquals(Arrays.asList("potato", "2"), rowList.get(13).dimensionValues());
        Assert.assertEquals(4L, rowList.get(13).metricValues().get(0));
        checkBitmapIndex(Arrays.asList(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11), adapter.getBitmapIndex("dimA", "leek"));
        checkBitmapIndex(Arrays.asList(12, 13), adapter.getBitmapIndex("dimA", "potato"));
        checkBitmapIndex(Arrays.asList(0, 1, 2), adapter.getBitmapIndex("dimMultiVal", null));
        checkBitmapIndex(ImmutableList.of(3, 4, 5), adapter.getBitmapIndex("dimMultiVal", ""));
        checkBitmapIndex(Arrays.asList(1, 4, 6, 7, 8, 9, 10, 12), adapter.getBitmapIndex("dimMultiVal", "1"));
        checkBitmapIndex(Arrays.asList(1, 4, 7, 11, 13), adapter.getBitmapIndex("dimMultiVal", "2"));
        checkBitmapIndex(Arrays.asList(1, 2, 4, 5, 7, 8, 9, 12), adapter.getBitmapIndex("dimMultiVal", "3"));
        checkBitmapIndex(Collections.singletonList(10), adapter.getBitmapIndex("dimMultiVal", "4"));
        checkBitmapIndex(Collections.singletonList(9), adapter.getBitmapIndex("dimMultiVal", "5"));
    }
}

Example 5 with StringDimensionSchema

use of org.apache.druid.data.input.impl.StringDimensionSchema in project druid by druid-io.

the class ProtobufInputFormatTest method setUp.

@Before
public void setUp() {
    timestampSpec = new TimestampSpec("timestamp", "iso", null);
    dimensionsSpec = new DimensionsSpec(Lists.newArrayList(new StringDimensionSchema("event"), new StringDimensionSchema("id"), new StringDimensionSchema("someOtherId"), new StringDimensionSchema("isValid")));
    flattenSpec = new JSONPathSpec(true, Lists.newArrayList(new JSONPathFieldSpec(JSONPathFieldType.ROOT, "eventType", "eventType"), new JSONPathFieldSpec(JSONPathFieldType.PATH, "foobar", "$.foo.bar"), new JSONPathFieldSpec(JSONPathFieldType.PATH, "bar0", "$.bar[0].bar")));
    decoder = new FileBasedProtobufBytesDecoder("prototest.desc", "ProtoTestEvent");
    for (Module jacksonModule : new ProtobufExtensionsModule().getJacksonModules()) {
        jsonMapper.registerModule(jacksonModule);
    }
    jsonMapper.setInjectableValues(new InjectableValues.Std().addValue(ObjectMapper.class, new DefaultObjectMapper()));
}