Examples with CreateMBREvalFactory org.apache.asterix.runtime.evaluators.common.CreateMBREvalFactory used on opensource projects

Example 1 with CreateMBREvalFactory

use of org.apache.asterix.runtime.evaluators.common.CreateMBREvalFactory in project asterixdb by apache.

the class NonTaggedDataFormat method createMBRFactory.

@SuppressWarnings("unchecked")
@Override
public IScalarEvaluatorFactory[] createMBRFactory(ARecordType recType, List<String> fldName, int recordColumn, int dimension, List<String> filterFieldName, boolean isPointMBR) throws AlgebricksException {
    IScalarEvaluatorFactory evalFactory = getFieldAccessEvaluatorFactory(recType, fldName, recordColumn);
    int numOfFields = isPointMBR ? dimension : dimension * 2;
    IScalarEvaluatorFactory[] evalFactories = new IScalarEvaluatorFactory[numOfFields + (filterFieldName == null ? 0 : 1)];
    ArrayBackedValueStorage abvs1 = new ArrayBackedValueStorage();
    DataOutput dos1 = abvs1.getDataOutput();
    try {
        AInt32 ai = new AInt32(dimension);
        SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(ai.getType()).serialize(ai, dos1);
    } catch (HyracksDataException e) {
        throw new AlgebricksException(e);
    }
    IScalarEvaluatorFactory dimensionEvalFactory = new ConstantEvalFactory(Arrays.copyOf(abvs1.getByteArray(), abvs1.getLength()));
    for (int i = 0; i < numOfFields; i++) {
        ArrayBackedValueStorage abvs2 = new ArrayBackedValueStorage();
        DataOutput dos2 = abvs2.getDataOutput();
        try {
            AInt32 ai = new AInt32(i);
            SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(ai.getType()).serialize(ai, dos2);
        } catch (HyracksDataException e) {
            throw new AlgebricksException(e);
        }
        IScalarEvaluatorFactory coordinateEvalFactory = new ConstantEvalFactory(Arrays.copyOf(abvs2.getByteArray(), abvs2.getLength()));
        evalFactories[i] = new CreateMBREvalFactory(evalFactory, dimensionEvalFactory, coordinateEvalFactory);
    }
    if (filterFieldName != null) {
        evalFactories[numOfFields] = getFieldAccessEvaluatorFactory(recType, filterFieldName, recordColumn);
    }
    return evalFactories;
}