Examples with BinaryComparatorFactoryProvider org.apache.asterix.formats.nontagged.BinaryComparatorFactoryProvider used on opensource projects

Example 1 with BinaryComparatorFactoryProvider

use of org.apache.asterix.formats.nontagged.BinaryComparatorFactoryProvider in project asterixdb by apache.

the class RangeMapBuilder method verifyRangeOrder.

public static void verifyRangeOrder(IRangeMap rangeMap, boolean ascending) throws CompilationException {
    // TODO Add support for composite fields.
    int fieldIndex = 0;
    int fieldType = rangeMap.getTag(0, 0);
    BinaryComparatorFactoryProvider comparatorFactory = BinaryComparatorFactoryProvider.INSTANCE;
    IBinaryComparatorFactory bcf = comparatorFactory.getBinaryComparatorFactory(ATypeTag.VALUE_TYPE_MAPPING[fieldType], ascending);
    IBinaryComparator comparator = bcf.createBinaryComparator();
    int c = 0;
    for (int split = 1; split < rangeMap.getSplitCount(); ++split) {
        if (fieldType != rangeMap.getTag(fieldIndex, split)) {
            throw new CompilationException("Range field contains more than a single type of items (" + fieldType + " and " + rangeMap.getTag(fieldIndex, split) + ").");
        }
        int previousSplit = split - 1;
        try {
            c = comparator.compare(rangeMap.getByteArray(fieldIndex, previousSplit), rangeMap.getStartOffset(fieldIndex, previousSplit), rangeMap.getLength(fieldIndex, previousSplit), rangeMap.getByteArray(fieldIndex, split), rangeMap.getStartOffset(fieldIndex, split), rangeMap.getLength(fieldIndex, split));
        } catch (HyracksDataException e) {
            throw new CompilationException(e);
        }
        if (c >= 0) {
            throw new CompilationException("Range fields are not in sorted order.");
        }
    }
}