Examples with BitmapFactory io.druid.collections.bitmap.BitmapFactory used on opensource projects

Example 1 with BitmapFactory

use of io.druid.collections.bitmap.BitmapFactory in project druid by druid-io.

the class LikeFilterBenchmark method setup.

@Setup
public void setup() throws IOException {
    step = (END_INT - START_INT) / cardinality;
    final BitmapFactory bitmapFactory = new RoaringBitmapFactory();
    final BitmapSerdeFactory serdeFactory = new RoaringBitmapSerdeFactory(null);
    final List<Integer> ints = generateInts();
    final GenericIndexed<String> dictionary = GenericIndexed.fromIterable(FluentIterable.from(ints).transform(new Function<Integer, String>() {

        @Override
        public String apply(Integer i) {
            return i.toString();
        }
    }), GenericIndexed.STRING_STRATEGY);
    final BitmapIndex bitmapIndex = new BitmapIndexColumnPartSupplier(bitmapFactory, GenericIndexed.fromIterable(FluentIterable.from(ints).transform(new Function<Integer, ImmutableBitmap>() {

        @Override
        public ImmutableBitmap apply(Integer i) {
            final MutableBitmap mutableBitmap = bitmapFactory.makeEmptyMutableBitmap();
            mutableBitmap.add((i - START_INT) / step);
            return bitmapFactory.makeImmutableBitmap(mutableBitmap);
        }
    }), serdeFactory.getObjectStrategy()), dictionary).get();
    selector = new BitmapIndexSelector() {

        @Override
        public Indexed<String> getDimensionValues(String dimension) {
            return dictionary;
        }

        @Override
        public int getNumRows() {
            throw new UnsupportedOperationException();
        }

        @Override
        public BitmapFactory getBitmapFactory() {
            return bitmapFactory;
        }

        @Override
        public ImmutableBitmap getBitmapIndex(String dimension, String value) {
            return bitmapIndex.getBitmap(bitmapIndex.getIndex(value));
        }

        @Override
        public BitmapIndex getBitmapIndex(String dimension) {
            return bitmapIndex;
        }

        @Override
        public ImmutableRTree getSpatialIndex(String dimension) {
            throw new UnsupportedOperationException();
        }
    };
}

Example 2 with BitmapFactory

use of io.druid.collections.bitmap.BitmapFactory in project druid by druid-io.

the class DimensionPredicateFilterBenchmark method setup.

@Setup
public void setup() throws IOException {
    final BitmapFactory bitmapFactory = new RoaringBitmapFactory();
    final BitmapSerdeFactory serdeFactory = new RoaringBitmapSerdeFactory(null);
    final List<Integer> ints = generateInts();
    final GenericIndexed<String> dictionary = GenericIndexed.fromIterable(FluentIterable.from(ints).transform(new Function<Integer, String>() {

        @Override
        public String apply(Integer i) {
            return i.toString();
        }
    }), GenericIndexed.STRING_STRATEGY);
    final BitmapIndex bitmapIndex = new BitmapIndexColumnPartSupplier(bitmapFactory, GenericIndexed.fromIterable(FluentIterable.from(ints).transform(new Function<Integer, ImmutableBitmap>() {

        @Override
        public ImmutableBitmap apply(Integer i) {
            final MutableBitmap mutableBitmap = bitmapFactory.makeEmptyMutableBitmap();
            mutableBitmap.add(i - START_INT);
            return bitmapFactory.makeImmutableBitmap(mutableBitmap);
        }
    }), serdeFactory.getObjectStrategy()), dictionary).get();
    selector = new BitmapIndexSelector() {

        @Override
        public Indexed<String> getDimensionValues(String dimension) {
            return dictionary;
        }

        @Override
        public int getNumRows() {
            throw new UnsupportedOperationException();
        }

        @Override
        public BitmapFactory getBitmapFactory() {
            return bitmapFactory;
        }

        @Override
        public ImmutableBitmap getBitmapIndex(String dimension, String value) {
            return bitmapIndex.getBitmap(bitmapIndex.getIndex(value));
        }

        @Override
        public BitmapIndex getBitmapIndex(String dimension) {
            return bitmapIndex;
        }

        @Override
        public ImmutableRTree getSpatialIndex(String dimension) {
            throw new UnsupportedOperationException();
        }
    };
}

Example 3 with BitmapFactory

use of io.druid.collections.bitmap.BitmapFactory in project druid by druid-io.

the class UseIndexesStrategy method makeTimeFilteredBitmap.

static ImmutableBitmap makeTimeFilteredBitmap(final QueryableIndex index, final Segment segment, final Filter filter, final Interval interval) {
    final BitmapFactory bitmapFactory = index.getBitmapFactoryForDimensions();
    final ImmutableBitmap baseFilter;
    if (filter == null) {
        baseFilter = null;
    } else {
        final BitmapIndexSelector selector = new ColumnSelectorBitmapIndexSelector(index.getBitmapFactoryForDimensions(), VirtualColumns.EMPTY, index);
        Preconditions.checkArgument(filter.supportsBitmapIndex(selector), "filter[%s] should support bitmap", filter);
        baseFilter = filter.getBitmapIndex(selector);
    }
    final ImmutableBitmap timeFilteredBitmap;
    if (!interval.contains(segment.getDataInterval())) {
        final MutableBitmap timeBitmap = bitmapFactory.makeEmptyMutableBitmap();
        final Column timeColumn = index.getColumn(Column.TIME_COLUMN_NAME);
        try (final GenericColumn timeValues = timeColumn.getGenericColumn()) {
            int startIndex = Math.max(0, getStartIndexOfTime(timeValues, interval.getStartMillis(), true));
            int endIndex = Math.min(timeValues.length() - 1, getStartIndexOfTime(timeValues, interval.getEndMillis(), false));
            for (int i = startIndex; i <= endIndex; i++) {
                timeBitmap.add(i);
            }
            final ImmutableBitmap finalTimeBitmap = bitmapFactory.makeImmutableBitmap(timeBitmap);
            timeFilteredBitmap = (baseFilter == null) ? finalTimeBitmap : finalTimeBitmap.intersection(baseFilter);
        }
    } else {
        timeFilteredBitmap = baseFilter;
    }
    return timeFilteredBitmap;
}

Example 4 with BitmapFactory

use of io.druid.collections.bitmap.BitmapFactory in project druid by druid-io.

the class StringDimensionMergerLegacy method writeIndexes.

@Override
public void writeIndexes(List<IntBuffer> segmentRowNumConversions, Closer closer) throws IOException {
    final SerializerUtils serializerUtils = new SerializerUtils();
    long dimStartTime = System.currentTimeMillis();
    final BitmapSerdeFactory bitmapSerdeFactory = indexSpec.getBitmapSerdeFactory();
    String bmpFilename = String.format("%s.inverted", dimensionName);
    bitmapWriter = new GenericIndexedWriter<>(ioPeon, bmpFilename, bitmapSerdeFactory.getObjectStrategy());
    bitmapWriter.open();
    final MappedByteBuffer dimValsMapped = Files.map(dictionaryFile);
    closer.register(new Closeable() {

        @Override
        public void close() throws IOException {
            ByteBufferUtils.unmap(dimValsMapped);
        }
    });
    if (!dimensionName.equals(serializerUtils.readString(dimValsMapped))) {
        throw new ISE("dimensions[%s] didn't equate!?  This is a major WTF moment.", dimensionName);
    }
    Indexed<String> dimVals = GenericIndexed.read(dimValsMapped, GenericIndexed.STRING_STRATEGY);
    log.info("Starting dimension[%s] with cardinality[%,d]", dimensionName, dimVals.size());
    final BitmapFactory bmpFactory = bitmapSerdeFactory.getBitmapFactory();
    RTree tree = null;
    spatialWriter = null;
    boolean hasSpatial = capabilities.hasSpatialIndexes();
    if (hasSpatial) {
        String spatialFilename = String.format("%s.spatial", dimensionName);
        spatialWriter = new ByteBufferWriter<>(ioPeon, spatialFilename, new IndexedRTree.ImmutableRTreeObjectStrategy(bmpFactory));
        spatialWriter.open();
        tree = new RTree(2, new LinearGutmanSplitStrategy(0, 50, bmpFactory), bmpFactory);
    }
    IndexSeeker[] dictIdSeeker = toIndexSeekers(adapters, dimConversions, dimensionName);
    //Iterate all dim values's dictionary id in ascending order which in line with dim values's compare result.
    for (int dictId = 0; dictId < dimVals.size(); dictId++) {
        progress.progress();
        mergeBitmaps(segmentRowNumConversions, dimVals, bmpFactory, tree, hasSpatial, dictIdSeeker, dictId, adapters, dimensionName, nullRowsBitmap, bitmapWriter);
    }
    log.info("Completed dimension[%s] in %,d millis.", dimensionName, System.currentTimeMillis() - dimStartTime);
    if (hasSpatial) {
        spatialWriter.write(ImmutableRTree.newImmutableFromMutable(tree));
    }
}

Example 5 with BitmapFactory

use of io.druid.collections.bitmap.BitmapFactory in project druid by druid-io.

the class BoundFilterBenchmark method setup.

@Setup
public void setup() throws IOException {
    step = (END_INT - START_INT) / cardinality;
    final BitmapFactory bitmapFactory = new RoaringBitmapFactory();
    final BitmapSerdeFactory serdeFactory = new RoaringBitmapSerdeFactory(null);
    final List<Integer> ints = generateInts();
    final GenericIndexed<String> dictionary = GenericIndexed.fromIterable(FluentIterable.from(ints).transform(new Function<Integer, String>() {

        @Override
        public String apply(Integer i) {
            return i.toString();
        }
    }), GenericIndexed.STRING_STRATEGY);
    final BitmapIndex bitmapIndex = new BitmapIndexColumnPartSupplier(bitmapFactory, GenericIndexed.fromIterable(FluentIterable.from(ints).transform(new Function<Integer, ImmutableBitmap>() {

        @Override
        public ImmutableBitmap apply(Integer i) {
            final MutableBitmap mutableBitmap = bitmapFactory.makeEmptyMutableBitmap();
            mutableBitmap.add((i - START_INT) / step);
            return bitmapFactory.makeImmutableBitmap(mutableBitmap);
        }
    }), serdeFactory.getObjectStrategy()), dictionary).get();
    selector = new BitmapIndexSelector() {

        @Override
        public Indexed<String> getDimensionValues(String dimension) {
            return dictionary;
        }

        @Override
        public int getNumRows() {
            throw new UnsupportedOperationException();
        }

        @Override
        public BitmapFactory getBitmapFactory() {
            return bitmapFactory;
        }

        @Override
        public ImmutableBitmap getBitmapIndex(String dimension, String value) {
            return bitmapIndex.getBitmap(bitmapIndex.getIndex(value));
        }

        @Override
        public BitmapIndex getBitmapIndex(String dimension) {
            return bitmapIndex;
        }

        @Override
        public ImmutableRTree getSpatialIndex(String dimension) {
            throw new UnsupportedOperationException();
        }
    };
}