Examples with IScalarEvaluator org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator used on opensource projects

Example 36 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator in project asterixdb by apache.

the class GetOverlappingIntervalDescriptor 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() {

                protected final IntervalLogic il = new IntervalLogic();

                private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private DataOutput out = resultStorage.getDataOutput();

                private TaggedValuePointable argPtr0 = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();

                private TaggedValuePointable argPtr1 = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();

                private AIntervalPointable interval0 = (AIntervalPointable) AIntervalPointable.FACTORY.createPointable();

                private AIntervalPointable interval1 = (AIntervalPointable) AIntervalPointable.FACTORY.createPointable();

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

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

                private final AMutableInterval aInterval = new AMutableInterval(0, 0, (byte) -1);

                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<ANull> nullSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ANULL);

                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<AInterval> intervalSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINTERVAL);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval0.evaluate(tuple, argPtr0);
                    eval1.evaluate(tuple, argPtr1);
                    byte type0 = argPtr0.getTag();
                    byte type1 = argPtr1.getTag();
                    if (type0 == ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG && type0 == type1) {
                        argPtr0.getValue(interval0);
                        argPtr1.getValue(interval1);
                        byte intervalType0 = interval0.getType();
                        byte intervalType1 = interval1.getType();
                        if (intervalType0 != intervalType1) {
                            throw new IncompatibleTypeException(getIdentifier(), intervalType0, intervalType1);
                        }
                        if (il.overlaps(interval0, interval1) || il.overlappedBy(interval0, interval1) || il.covers(interval0, interval1) || il.coveredBy(interval0, interval1)) {
                            long start = Math.max(interval0.getStartValue(), interval1.getStartValue());
                            long end = Math.min(interval0.getEndValue(), interval1.getEndValue());
                            aInterval.setValue(start, end, intervalType0);
                            intervalSerde.serialize(aInterval, out);
                        } else {
                            nullSerde.serialize(ANull.NULL, out);
                        }
                        result.set(resultStorage);
                        return;
                    } else if (type0 != ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, type0, ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
                    } else {
                        throw new IncompatibleTypeException(getIdentifier(), type0, type1);
                    }
                }
            };
        }
    };
}

Example 37 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator in project asterixdb by apache.

the class GetYearMonthDurationDescriptor 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 IScalarEvaluator eval0 = args[0].createScalarEvaluator(ctx);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<AYearMonthDuration> yearMonthDurationSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AYEARMONTHDURATION);

                AMutableYearMonthDuration aYearMonthDuration = new AMutableYearMonthDuration(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval0.evaluate(tuple, argPtr0);
                    byte[] bytes0 = argPtr0.getByteArray();
                    int offset0 = argPtr0.getStartOffset();
                    if (bytes0[offset0] != ATypeTag.SERIALIZED_DURATION_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0], ATypeTag.SERIALIZED_DURATION_TYPE_TAG);
                    }
                    aYearMonthDuration.setMonths(ADurationSerializerDeserializer.getYearMonth(bytes0, offset0 + 1));
                    yearMonthDurationSerde.serialize(aYearMonthDuration, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 38 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator in project asterixdb by apache.

the class PrintDateTimeDescriptor 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);

                private StringBuilder sbder = new StringBuilder();

                private UTF8StringWriter utf8Writer = new UTF8StringWriter();

                private 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();
                    byte[] bytes1 = argPtr1.getByteArray();
                    int offset1 = argPtr1.getStartOffset();
                    int len1 = argPtr1.getLength();
                    try {
                        if (bytes0[offset0] != ATypeTag.SERIALIZED_DATETIME_TYPE_TAG) {
                            throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0], ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
                        }
                        if (bytes1[offset1] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                            throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        }
                        long chronon = ADateTimeSerializerDeserializer.getChronon(bytes0, offset0 + 1);
                        utf8Ptr.set(bytes1, offset1 + 1, len1 - 1);
                        int formatLength = utf8Ptr.getUTF8Length();
                        sbder.delete(0, sbder.length());
                        DT_UTILS.printDateTime(chronon, 0, utf8Ptr.getByteArray(), utf8Ptr.getCharStartOffset(), formatLength, sbder, DateTimeParseMode.DATETIME);
                        out.writeByte(ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        utf8Writer.writeUTF8(sbder.toString(), out);
                    } catch (IOException ex) {
                        throw new HyracksDataException(ex);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 39 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator in project asterixdb by apache.

the class PrintTimeDescriptor 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);

                private StringBuilder sbder = new StringBuilder();

                private final UTF8StringWriter writer = new UTF8StringWriter();

                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();
                    byte[] bytes1 = argPtr1.getByteArray();
                    int offset1 = argPtr1.getStartOffset();
                    int len1 = argPtr1.getLength();
                    try {
                        if (bytes0[offset0] != ATypeTag.SERIALIZED_TIME_TYPE_TAG) {
                            throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0], ATypeTag.SERIALIZED_TIME_TYPE_TAG);
                        }
                        if (bytes1[offset1] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                            throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        }
                        long chronon = ATimeSerializerDeserializer.getChronon(bytes0, offset0 + 1);
                        utf8Ptr.set(bytes1, offset1 + 1, len1 - 1);
                        int formatLength = utf8Ptr.getUTF8Length();
                        sbder.delete(0, sbder.length());
                        DT_UTILS.printDateTime(chronon, 0, utf8Ptr.getByteArray(), utf8Ptr.getCharStartOffset(), formatLength, sbder, DateTimeParseMode.TIME_ONLY);
                        out.writeByte(ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        writer.writeUTF8(sbder.toString(), out);
                    } catch (IOException ex) {
                        throw new HyracksDataException(ex);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 40 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator in project asterixdb by apache.

the class TimeFromDatetimeDescriptor method createEvaluatorFactory.

/* (non-Javadoc)
     * @see org.apache.asterix.runtime.base.IScalarFunctionDynamicDescriptor#createEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory[])
     */
@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 argPtr = new VoidPointable();

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

                // possible returning types
                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<ATime> timeSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ATIME);

                private AMutableTime aTime = new AMutableTime(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval.evaluate(tuple, argPtr);
                    byte[] bytes = argPtr.getByteArray();
                    int offset = argPtr.getStartOffset();
                    if (bytes[offset] != ATypeTag.SERIALIZED_DATETIME_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, bytes[offset], ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
                    }
                    long datetimeChronon = ADateTimeSerializerDeserializer.getChronon(bytes, offset + 1);
                    int timeChronon = (int) (datetimeChronon % GregorianCalendarSystem.CHRONON_OF_DAY);
                    if (timeChronon < 0) {
                        timeChronon += GregorianCalendarSystem.CHRONON_OF_DAY;
                    }
                    aTime.setValue(timeChronon);
                    timeSerde.serialize(aTime, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}