Examples of DimensionSelector

Examples of io.druid.segment.DimensionSelector

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                    {
                      final LongColumnSelector timestampColumnSelector = cursor.makeLongColumnSelector(Column.TIME_COLUMN_NAME);

                      final Map<String, DimensionSelector> dimSelectors = Maps.newHashMap();
                      for (String dim : dims) {
                        final DimensionSelector dimSelector = cursor.makeDimensionSelector(dim);
                        // dimSelector is null if the dimension is not present
                        if (dimSelector != null) {
                          dimSelectors.put(dim, dimSelector);
                        }
                      }

                      final Map<String, ObjectColumnSelector> metSelectors = Maps.newHashMap();
                      for (String metric : metrics) {
                        final ObjectColumnSelector metricSelector = cursor.makeObjectColumnSelector(metric);
                        if (metricSelector != null) {
                          metSelectors.put(metric, metricSelector);
                        }
                      }

                      return Sequences.simple(
                          new Iterable<InputRow>()
                          {
                            @Override
                            public Iterator<InputRow> iterator()
                            {
                              return new Iterator<InputRow>()
                              {
                                @Override
                                public boolean hasNext()
                                {
                                  return !cursor.isDone();
                                }

                                @Override
                                public InputRow next()
                                {
                                  final Map<String, Object> theEvent = Maps.newLinkedHashMap();
                                  final long timestamp = timestampColumnSelector.get();
                                  theEvent.put(EventHolder.timestampKey, new DateTime(timestamp));

                                  for (Map.Entry<String, DimensionSelector> dimSelector : dimSelectors.entrySet()) {
                                    final String dim = dimSelector.getKey();
                                    final DimensionSelector selector = dimSelector.getValue();
                                    final IndexedInts vals = selector.getRow();

                                    if (vals.size() == 1) {
                                      final String dimVal = selector.lookupName(vals.get(0));
                                      theEvent.put(dim, dimVal);
                                    } else {
                                      List<String> dimVals = Lists.newArrayList();
                                      for (int i = 0; i < vals.size(); ++i) {
                                        dimVals.add(selector.lookupName(vals.get(i)));
                                      }
                                      theEvent.put(dim, dimVals);
                                    }
                                  }

                                  for (Map.Entry<String, ObjectColumnSelector> metSelector : metSelectors.entrySet()) {
                                    final String metric = metSelector.getKey();
                                    final ObjectColumnSelector selector = metSelector.getValue();
                                    theEvent.put(metric, selector.get());
                                  }
                                  cursor.advance();
                                  return new MapBasedInputRow(timestamp, dims, theEvent);
                                }
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Examples of io.druid.segment.DimensionSelector

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            final LongColumnSelector timestampColumnSelector = cursor.makeLongColumnSelector(Column.TIME_COLUMN_NAME);

            final Map<String, DimensionSelector> dimSelectors = Maps.newHashMap();
            for (String dim : dims) {
              final DimensionSelector dimSelector = cursor.makeDimensionSelector(dim);
              dimSelectors.put(dim, dimSelector);
            }

            final Map<String, ObjectColumnSelector> metSelectors = Maps.newHashMap();
            for (String metric : metrics) {
              final ObjectColumnSelector metricSelector = cursor.makeObjectColumnSelector(metric);
              metSelectors.put(metric, metricSelector);
            }

            int startOffset;
            if (query.getPagingSpec().getPagingIdentifiers() == null) {
              startOffset = 0;
            } else {
              Integer offset = query.getPagingSpec().getPagingIdentifiers().get(segment.getIdentifier());
              startOffset = (offset == null) ? 0 : offset;
            }

            cursor.advanceTo(startOffset);

            int offset = 0;
            while (!cursor.isDone() && offset < query.getPagingSpec().getThreshold()) {
              final Map<String, Object> theEvent = Maps.newLinkedHashMap();
              theEvent.put(EventHolder.timestampKey, new DateTime(timestampColumnSelector.get()));

              for (Map.Entry<String, DimensionSelector> dimSelector : dimSelectors.entrySet()) {
                final String dim = dimSelector.getKey();
                final DimensionSelector selector = dimSelector.getValue();

                if (selector == null) {
                  theEvent.put(dim, null);
                } else {
                  final IndexedInts vals = selector.getRow();

                  if (vals.size() == 1) {
                    final String dimVal = selector.lookupName(vals.get(0));
                    theEvent.put(dim, dimVal);
                  } else {
                    List<String> dimVals = Lists.newArrayList();
                    for (int i = 0; i < vals.size(); ++i) {
                      dimVals.add(selector.lookupName(vals.get(i)));
                    }
                    theEvent.put(dim, dimVals);
                  }
                }
              }

              for (Map.Entry<String, ObjectColumnSelector> metSelector : metSelectors.entrySet()) {
                final String metric = metSelector.getKey();
                final ObjectColumnSelector selector = metSelector.getValue();

                if (selector == null) {
                  theEvent.put(metric, null);
                } else {
                  theEvent.put(metric, selector.get());
                }
              }

              builder.addEntry(
                  new EventHolder(
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Examples of io.druid.segment.DimensionSelector

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    {
      if (dims.size() > 0) {
        List<ByteBuffer> retVal = null;
        List<ByteBuffer> unaggregatedBuffers = null;

        final DimensionSelector dimSelector = dims.get(0);
        final IndexedInts row = dimSelector.getRow();
        if (row == null || row.size() == 0) {
          ByteBuffer newKey = key.duplicate();
          newKey.putInt(dimSelector.getValueCardinality());
          unaggregatedBuffers = updateValues(newKey, dims.subList(1, dims.size()));
        } else {
          for (Integer dimValue : row) {
            ByteBuffer newKey = key.duplicate();
            newKey.putInt(dimValue);
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Examples of io.druid.segment.DimensionSelector

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      dimensionSpecs = query.getDimensions();
      dimensions = Lists.newArrayListWithExpectedSize(dimensionSpecs.size());
      dimNames = Lists.newArrayListWithExpectedSize(dimensionSpecs.size());
      for (int i = 0; i < dimensionSpecs.size(); ++i) {
        final DimensionSpec dimSpec = dimensionSpecs.get(i);
        final DimensionSelector selector = cursor.makeDimensionSelector(dimSpec.getDimension());
        if (selector != null) {
          dimensions.add(selector);
          dimNames.add(dimSpec.getOutputName());
        }
      }
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Examples of io.druid.segment.DimensionSelector

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                {
                  Map<String, Object> theEvent = Maps.newLinkedHashMap();

                  ByteBuffer keyBuffer = input.getKey().duplicate();
                  for (int i = 0; i < dimensions.size(); ++i) {
                    final DimensionSelector dimSelector = dimensions.get(i);
                    final DimExtractionFn fn = dimensionSpecs.get(i).getDimExtractionFn();
                    final int dimVal = keyBuffer.getInt();
                    if (dimSelector.getValueCardinality() != dimVal) {
                      if (fn != null) {
                        theEvent.put(dimNames.get(i), fn.apply(dimSelector.lookupName(dimVal)));
                      } else {
                        theEvent.put(dimNames.get(i), dimSelector.lookupName(dimVal));
                      }
                    }
                  }

                  int position = input.getValue();
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Examples of io.druid.segment.DimensionSelector

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              dimSelectors.put(dim, cursor.makeDimensionSelector(dim));
            }

            while (!cursor.isDone()) {
              for (Map.Entry<String, DimensionSelector> entry : dimSelectors.entrySet()) {
                final DimensionSelector selector = entry.getValue();

                if (selector != null) {
                  final IndexedInts vals = selector.getRow();
                  for (int i = 0; i < vals.size(); ++i) {
                    final String dimVal = selector.lookupName(vals.get(i));
                    if (searchQuerySpec.accept(dimVal)) {
                      set.add(new SearchHit(entry.getKey(), dimVal));
                      if (set.size() >= limit) {
                        return set;
                      }
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