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

Example 1 with TextFieldConstraints

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

the class FilterConstraints method getIndexData.

/**
 * Get the multi-dimensional index data from these constraints.
 *
 * @return the multi-dimensional index data
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public List<MultiDimensionalIndexData<V>> getIndexData() {
    if (cachedIndexData == null) {
        if ((adapter == null) || (index == null) || (indexMapping == null)) {
            return Lists.newArrayList();
        }
        if (index instanceof CustomIndex) {
            final TextIndexStrategy indexStrategy = (TextIndexStrategy) ((CustomIndex) index).getCustomIndexStrategy();
            if (!(indexStrategy.getEntryConverter() instanceof AdapterFieldTextIndexEntryConverter)) {
                throw new RuntimeException("Unable to determine adapter field used by text index.");
            }
            final String fieldName = ((AdapterFieldTextIndexEntryConverter) indexStrategy.getEntryConverter()).getFieldName();
            final IndexFieldConstraints<?> fieldConstraint = fieldConstraints.get(fieldName);
            final List<DimensionConstraints<String>> dimensionConstraints = Lists.newArrayList();
            if (fieldConstraint == null) {
                dimensionConstraints.add(DimensionConstraints.of(Lists.newArrayList(FilterRange.of((String) null, (String) null, true, true, true))));
            } else if (fieldConstraint instanceof TextFieldConstraints) {
                final DimensionConstraints<String> dimensionConstraint = ((TextFieldConstraints) fieldConstraint).getDimensionRanges(0);
                if (dimensionConstraint == null) {
                    dimensionConstraints.add(DimensionConstraints.of(Lists.newArrayList(FilterRange.of((String) null, (String) null, true, true, true))));
                } else {
                    dimensionConstraints.add(dimensionConstraint);
                }
            } else {
                throw new RuntimeException("Non-text field constraints cannot be used for a text index.");
            }
            cachedIndexData = (List) TextFieldConstraints.toIndexData(dimensionConstraints);
        } else {
            // Right now all index strategies that aren't custom are numeric
            final CommonIndexModel indexModel = index.getIndexModel();
            final int numStrategyDimensions = index.getIndexStrategy().getOrderedDimensionDefinitions().length;
            final List<DimensionConstraints<Double>> dimensionConstraints = Lists.newArrayListWithCapacity(numStrategyDimensions);
            final Map<String, Integer> indexFieldDimensions = Maps.newHashMap();
            final NumericDimensionField<?>[] dimensions = indexModel.getDimensions();
            int dimensionIndex = 0;
            for (final NumericDimensionField<?> indexField : dimensions) {
                if (dimensionIndex >= numStrategyDimensions) {
                    // Only build constraints for dimensions used by the index strategy.
                    break;
                }
                dimensionIndex++;
                final String indexFieldName = indexField.getFieldName();
                if (!indexFieldDimensions.containsKey(indexFieldName)) {
                    indexFieldDimensions.put(indexFieldName, 0);
                }
                final int indexFieldDimension = indexFieldDimensions.get(indexFieldName);
                final IndexFieldMapper<?, ?> mapper = indexMapping.getMapperForIndexField(indexFieldName);
                final String[] adapterFields = mapper.getIndexOrderedAdapterFields();
                IndexFieldConstraints<?> fieldConstraint = null;
                if (adapterFields.length > 1 && isSingleDimension(indexFieldName, dimensions)) {
                    // constraints
                    for (int i = 0; i < adapterFields.length; i++) {
                        final IndexFieldConstraints<?> constraint = fieldConstraints.get(adapterFields[i]);
                        if (fieldConstraint == null) {
                            fieldConstraint = constraint;
                        } else {
                            fieldConstraint.and((IndexFieldConstraints) constraint);
                        }
                    }
                } else {
                    fieldConstraint = fieldConstraints.get(adapterFields[indexFieldDimension % adapterFields.length]);
                }
                if (fieldConstraint == null) {
                    dimensionConstraints.add(DimensionConstraints.of(Lists.newArrayList(FilterRange.of((Double) null, (Double) null, true, true, true))));
                } else if (fieldConstraint instanceof NumericFieldConstraints) {
                    final DimensionConstraints<Double> dimensionConstraint = ((NumericFieldConstraints) fieldConstraint).getDimensionRanges(indexFieldDimension % fieldConstraint.getDimensionCount());
                    if (dimensionConstraint == null) {
                        dimensionConstraints.add(DimensionConstraints.of(Lists.newArrayList(FilterRange.of((Double) null, (Double) null, true, true, true))));
                    } else {
                        dimensionConstraints.add(dimensionConstraint);
                    }
                    indexFieldDimensions.put(indexFieldName, indexFieldDimension + 1);
                } else {
                    throw new RuntimeException("Non-numeric field constraints cannot be used for a numeric index.");
                }
            }
            cachedIndexData = (List) NumericFieldConstraints.toIndexData(dimensionConstraints);
        }
    }
    return cachedIndexData;
}