Examples with ExplicitConstraints org.locationtech.geowave.core.store.statistics.query.BinConstraintsImpl.ExplicitConstraints used on opensource projects

Example 1 with ExplicitConstraints

use of org.locationtech.geowave.core.store.statistics.query.BinConstraintsImpl.ExplicitConstraints in project geowave by locationtech.

the class CompositeBinningStrategy method concat.

private ByteArrayConstraints concat(final List<ByteArrayConstraints> perStrategyConstraints) {
    final ByteArray[][] c = new ByteArray[perStrategyConstraints.size()][];
    boolean allBins = true;
    for (int i = 0; i < perStrategyConstraints.size(); i++) {
        final ByteArrayConstraints constraints = perStrategyConstraints.get(i);
        if (constraints.isAllBins()) {
            if (!allBins) {
                throw new IllegalArgumentException("Cannot use 'all bins' query for one strategy and not the other");
            }
        } else {
            allBins = false;
        }
        if (constraints.isPrefix()) {
            // can only use a prefix if its the last field or the rest of the fields are 'all bins'
            boolean isValid = true;
            for (final int j = i + 1; i < perStrategyConstraints.size(); i++) {
                final ByteArrayConstraints innerConstraints = perStrategyConstraints.get(j);
                if (!innerConstraints.isAllBins()) {
                    isValid = false;
                    break;
                } else {
                    c[i] = new ByteArray[] { new ByteArray() };
                }
            }
            if (isValid) {
                return new ExplicitConstraints(getAllCombinations(c), true);
            } else {
                throw new IllegalArgumentException("Cannot use 'prefix' query for a strategy that is also using exact constraints on a subsequent strategy");
            }
        }
        c[i] = constraints.getBins();
    }
    return new ExplicitConstraints(getAllCombinations(c), false);
}

Example 2 with ExplicitConstraints

use of org.locationtech.geowave.core.store.statistics.query.BinConstraintsImpl.ExplicitConstraints in project geowave by locationtech.

the class GeohashBinningHelper method getGeometryConstraints.

@Override
public ByteArrayConstraints getGeometryConstraints(final Geometry geometry, final int precision) {
    final GeohashGeometryHandler geometryHandler = new GeohashGeometryHandler(precision);
    GeometryUtils.visitGeometry(geometry, geometryHandler);
    // this can really help with query performance
    if (removePrefixes(geometryHandler.hashes)) {
        return new ExplicitConstraints(geometryHandler.hashes.stream().map(str -> StringUtils.stringToBinary(str)).map(bytes -> new ByteArrayRange(bytes, bytes)).toArray(ByteArrayRange[]::new));
    }
    return new ExplicitConstraints(geometryHandler.hashes.stream().map(ByteArray::new).toArray(ByteArray[]::new));
}

Example 3 with ExplicitConstraints

use of org.locationtech.geowave.core.store.statistics.query.BinConstraintsImpl.ExplicitConstraints in project geowave by locationtech.

the class S2BinningHelper method getGeometryConstraints.

@Override
public ByteArrayConstraints getGeometryConstraints(final Geometry geom, final int precision) {
    final S2RegionCoverer coverer = new S2RegionCoverer();
    coverer.setMaxCells(100);
    // no sense decomposing further than the max precision the stats are binned at
    coverer.setMaxLevel(precision);
    final S2CellUnion s2CellUnion = cellCoverage(geom, coverer);
    return new ExplicitConstraints(Streams.stream(s2CellUnion.iterator()).map(c -> new ByteArrayRange(Lexicoders.LONG.toByteArray(c.rangeMin().id()), Lexicoders.LONG.toByteArray(c.rangeMax().id()))).toArray(ByteArrayRange[]::new));
}