Examples with FieldValue org.locationtech.geowave.core.store.query.filter.expression.FieldValue used on opensource projects

Example 1 with FieldValue

use of org.locationtech.geowave.core.store.query.filter.expression.FieldValue in project geowave by locationtech.

the class BinarySpatialPredicate method getConstraints.

@SuppressWarnings("unchecked")
@Override
public <V extends Comparable<V>> FilterConstraints<V> getConstraints(final Class<V> constraintClass, final DataStatisticsStore statsStore, final DataTypeAdapter<?> adapter, final AdapterToIndexMapping indexMapping, final Index index, final Set<String> indexedFields) {
    if (!constraintClass.isAssignableFrom(Double.class)) {
        return FilterConstraints.empty();
    }
    final Map<Integer, DimensionConstraints<Double>> dimensionRanges = Maps.newHashMap();
    FilterGeometry literal = null;
    String fieldName = null;
    CoordinateReferenceSystem literalCRS = GeometryUtils.getDefaultCRS();
    if ((expression1 instanceof FieldValue) && indexedFields.contains(((FieldValue<?>) expression1).getFieldName()) && expression2.isLiteral()) {
        literal = expression2.evaluateValue(null, null);
        if (expression2 instanceof SpatialExpression) {
            literalCRS = expression2.getCRS(adapter);
        }
        fieldName = ((FieldValue<?>) expression1).getFieldName();
    } else if ((expression2 instanceof FieldValue) && indexedFields.contains(((FieldValue<?>) expression2).getFieldName()) && expression1.isLiteral()) {
        literal = expression1.evaluateValue(null, null);
        if (expression1 instanceof SpatialExpression) {
            literalCRS = expression1.getCRS(adapter);
        }
        fieldName = ((FieldValue<?>) expression2).getFieldName();
    }
    if ((literal != null) && (fieldName != null)) {
        final CoordinateReferenceSystem indexCRS = GeometryUtils.getIndexCrs(index);
        Geometry literalGeometry = literal.getGeometry();
        if ((indexCRS != null) && !indexCRS.equals(literalCRS)) {
            try {
                literalGeometry = GeometryUtils.crsTransform(literalGeometry, CRS.findMathTransform(literalCRS, indexCRS));
            } catch (final FactoryException e) {
                throw new RuntimeException("Unable to transform spatial literal to the index CRS.");
            }
        }
        final Envelope envelope = literalGeometry.getEnvelopeInternal();
        if (!envelope.isNull()) {
            dimensionRanges.put(0, DimensionConstraints.of(Lists.newArrayList(FilterRange.of(envelope.getMinX(), envelope.getMaxX(), true, true, isExact()))));
            dimensionRanges.put(1, DimensionConstraints.of(Lists.newArrayList(FilterRange.of(envelope.getMinY(), envelope.getMaxY(), true, true, isExact()))));
        }
    }
    if (dimensionRanges.isEmpty()) {
        return FilterConstraints.empty();
    }
    return FilterConstraints.of(adapter, indexMapping, index, fieldName, (IndexFieldConstraints<V>) NumericFieldConstraints.of(dimensionRanges));
}

Example 2 with FieldValue

use of org.locationtech.geowave.core.store.query.filter.expression.FieldValue in project geowave by locationtech.

the class TemporalBetween method getConstraints.

@SuppressWarnings("unchecked")
@Override
public <V extends Comparable<V>> FilterConstraints<V> getConstraints(final Class<V> constraintClass, final DataStatisticsStore statsStore, final DataTypeAdapter<?> adapter, final AdapterToIndexMapping indexMapping, final Index index, final Set<String> indexedFields) {
    if ((valueExpr instanceof FieldValue) && indexedFields.contains(((FieldValue<?>) valueExpr).getFieldName()) && lowerBoundExpr.isLiteral() && upperBoundExpr.isLiteral() && constraintClass.isAssignableFrom(Double.class)) {
        final Interval lowerBound = lowerBoundExpr.evaluateValue(null, null);
        final Interval upperBound = upperBoundExpr.evaluateValue(null, null);
        if ((lowerBound != null) && (upperBound != null)) {
            return FilterConstraints.of(adapter, indexMapping, index, ((FieldValue<?>) valueExpr).getFieldName(), (IndexFieldConstraints<V>) NumericFieldConstraints.of((double) lowerBound.getStart().toEpochMilli(), (double) TimeUtils.getIntervalEnd(upperBound).toEpochMilli(), true, false, index.getIndexStrategy() instanceof SimpleNumericIndexStrategy));
        }
    }
    return FilterConstraints.empty();
}

Example 3 with FieldValue

use of org.locationtech.geowave.core.store.query.filter.expression.FieldValue in project geowave by locationtech.

the class BinaryTemporalPredicate method getConstraints.

@SuppressWarnings("unchecked")
@Override
public <V extends Comparable<V>> FilterConstraints<V> getConstraints(final Class<V> constraintClass, final DataStatisticsStore statsStore, final DataTypeAdapter<?> adapter, final AdapterToIndexMapping indexMapping, final Index index, final Set<String> indexedFields) {
    if ((expression1 instanceof FieldValue) && indexedFields.contains(((FieldValue<?>) expression1).getFieldName()) && expression2.isLiteral() && constraintClass.isAssignableFrom(Double.class)) {
        final Double minValue;
        final Double maxValue;
        if (index.getIndexStrategy() instanceof SimpleNumericIndexStrategy) {
            minValue = null;
            maxValue = null;
        } else {
            final TimeRangeValue timeRange = InternalStatisticsHelper.getFieldStatistic(statsStore, TimeRangeStatistic.STATS_TYPE, adapter.getTypeName(), ((FieldValue<?>) expression1).getFieldName());
            if (timeRange != null) {
                minValue = (double) timeRange.getMin();
                maxValue = (double) timeRange.getMax();
            } else {
                // We cannot determine the query range for the binned
                return FilterConstraints.empty();
            }
        }
        String fieldName = ((FieldValue<?>) expression1).getFieldName();
        final boolean partOfRange = isPartOfRange(fieldName, indexMapping);
        final Interval literal = expression2.evaluateValue(null, null);
        if (literal != null) {
            return FilterConstraints.of(adapter, indexMapping, index, fieldName, (IndexFieldConstraints<V>) getConstraints(literal, minValue, maxValue, false, !partOfRange && index.getIndexStrategy() instanceof SimpleNumericIndexStrategy));
        }
    } else if ((expression2 instanceof FieldValue) && indexedFields.contains(((FieldValue<?>) expression2).getFieldName()) && expression1.isLiteral() && constraintClass.isAssignableFrom(Double.class)) {
        final Double minValue;
        final Double maxValue;
        if (index.getIndexStrategy() instanceof SimpleNumericIndexStrategy) {
            minValue = null;
            maxValue = null;
        } else {
            final TimeRangeValue timeRange = InternalStatisticsHelper.getFieldStatistic(statsStore, TimeRangeStatistic.STATS_TYPE, adapter.getTypeName(), ((FieldValue<?>) expression2).getFieldName());
            if (timeRange != null) {
                minValue = (double) timeRange.getMin();
                maxValue = (double) timeRange.getMax();
            } else {
                // We cannot determine the query range for the binned
                return FilterConstraints.empty();
            }
        }
        String fieldName = ((FieldValue<?>) expression2).getFieldName();
        final boolean partOfRange = isPartOfRange(fieldName, indexMapping);
        final Interval literal = expression1.evaluateValue(null, null);
        if (literal != null) {
            return FilterConstraints.of(adapter, indexMapping, index, fieldName, (IndexFieldConstraints<V>) getConstraints(literal, minValue, maxValue, true, !partOfRange && index.getIndexStrategy() instanceof SimpleNumericIndexStrategy));
        }
    }
    return FilterConstraints.empty();
}

Example 4 with FieldValue

use of org.locationtech.geowave.core.store.query.filter.expression.FieldValue in project geowave by locationtech.

the class BinarySpatialPredicate method prepare.

@Override
public void prepare(final DataTypeAdapter<?> adapter, final AdapterToIndexMapping indexMapping, final Index index) {
    CoordinateReferenceSystem expression1Crs = expression1.getCRS(adapter);
    CoordinateReferenceSystem expression2Crs = expression2.getCRS(adapter);
    if (expression1.isLiteral() && !(expression1 instanceof SpatialLiteral)) {
        expression1 = SpatialLiteral.of(expression1.evaluateValue(null), expression1Crs);
    }
    if (expression2.isLiteral() && !(expression2 instanceof SpatialLiteral)) {
        expression2 = SpatialLiteral.of(expression2.evaluateValue(null), expression2Crs);
    }
    if ((expression1 instanceof FieldValue) && isFieldMappedToIndex(((FieldValue<?>) expression1).getFieldName(), indexMapping)) {
        expression1Crs = GeometryUtils.getIndexCrs(index);
    }
    if ((expression2 instanceof FieldValue) && isFieldMappedToIndex(((FieldValue<?>) expression2).getFieldName(), indexMapping)) {
        expression2Crs = GeometryUtils.getIndexCrs(index);
    }
    if (expression1.isLiteral()) {
        ((SpatialLiteral) expression1).prepare(expression2Crs);
    } else if (expression2.isLiteral()) {
        ((SpatialLiteral) expression2).prepare(expression1Crs);
    }
}