Examples with AMutableDateTime org.apache.asterix.om.base.AMutableDateTime used on opensource projects

Example 11 with AMutableDateTime

use of org.apache.asterix.om.base.AMutableDateTime in project asterixdb by apache.

the class ADateTimeConstructorDescriptor method createEvaluatorFactory.

@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private DataOutput out = resultStorage.getDataOutput();

                private IPointable inputArg = new VoidPointable();

                private IScalarEvaluator eval = args[0].createScalarEvaluator(ctx);

                private AMutableDateTime aDateTime = new AMutableDateTime(0L);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<ADateTime> datetimeSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATETIME);

                private final UTF8StringPointable utf8Ptr = new UTF8StringPointable();

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    try {
                        resultStorage.reset();
                        eval.evaluate(tuple, inputArg);
                        byte[] serString = inputArg.getByteArray();
                        int offset = inputArg.getStartOffset();
                        int len = inputArg.getLength();
                        if (serString[offset] == ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                            utf8Ptr.set(serString, offset + 1, len - 1);
                            int stringLength = utf8Ptr.getUTF8Length();
                            int startOffset = utf8Ptr.getCharStartOffset();
                            // the string to be parsed should be at least 14 characters: YYYYMMDDhhmmss
                            if (stringLength < 14) {
                                throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
                            }
                            // +1 if it is negative (-)
                            short timeOffset = (short) ((serString[startOffset] == '-') ? 1 : 0);
                            timeOffset += 8;
                            if (serString[startOffset + timeOffset] != 'T') {
                                timeOffset += 2;
                                if (serString[startOffset + timeOffset] != 'T') {
                                    throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
                                }
                            }
                            long chrononTimeInMs = ADateParserFactory.parseDatePart(serString, startOffset, timeOffset);
                            chrononTimeInMs += ATimeParserFactory.parseTimePart(serString, startOffset + timeOffset + 1, stringLength - timeOffset - 1);
                            aDateTime.setValue(chrononTimeInMs);
                            datetimeSerde.serialize(aDateTime, out);
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, serString[offset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        }
                        result.set(resultStorage);
                    } catch (IOException e) {
                        throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
                    }
                }
            };
        }
    };
}

Example 12 with AMutableDateTime

use of org.apache.asterix.om.base.AMutableDateTime in project asterixdb by apache.

the class ParseDateTimeDescriptor method createEvaluatorFactory.

@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private DataOutput out = resultStorage.getDataOutput();

                private IPointable argPtr0 = new VoidPointable();

                private IPointable argPtr1 = new VoidPointable();

                private IScalarEvaluator eval0 = args[0].createScalarEvaluator(ctx);

                private IScalarEvaluator eval1 = args[1].createScalarEvaluator(ctx);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<ADateTime> datetimeSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATETIME);

                private AMutableDateTime aDateTime = new AMutableDateTime(0);

                private final UTF8StringPointable utf8Ptr = new UTF8StringPointable();

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval0.evaluate(tuple, argPtr0);
                    eval1.evaluate(tuple, argPtr1);
                    byte[] bytes0 = argPtr0.getByteArray();
                    int offset0 = argPtr0.getStartOffset();
                    int len0 = argPtr0.getLength();
                    byte[] bytes1 = argPtr1.getByteArray();
                    int offset1 = argPtr1.getStartOffset();
                    int len1 = argPtr1.getLength();
                    if (bytes0[offset0] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                    }
                    if (bytes1[offset1] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                    }
                    utf8Ptr.set(bytes0, offset0 + 1, len0 - 1);
                    int start0 = utf8Ptr.getCharStartOffset();
                    int length0 = utf8Ptr.getUTF8Length();
                    utf8Ptr.set(bytes1, offset1 + 1, len1 - 1);
                    int start1 = utf8Ptr.getCharStartOffset();
                    int length1 = utf8Ptr.getUTF8Length();
                    long chronon = 0;
                    int formatStart = start1;
                    int formatLength;
                    boolean processSuccessfully = false;
                    while (!processSuccessfully && formatStart < start1 + length1) {
                        // search for "|"
                        formatLength = 0;
                        for (; formatStart + formatLength < start1 + length1; formatLength++) {
                            if (bytes1[formatStart + formatLength] == '|') {
                                break;
                            }
                        }
                        try {
                            chronon = DT_UTILS.parseDateTime(bytes0, start0, length0, bytes1, formatStart, formatLength, DateTimeParseMode.DATETIME);
                        } catch (AsterixTemporalTypeParseException ex) {
                            formatStart += formatLength + 1;
                            continue;
                        }
                        processSuccessfully = true;
                    }
                    if (!processSuccessfully) {
                        throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
                    }
                    aDateTime.setValue(chronon);
                    datetimeSerde.serialize(aDateTime, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}