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

Example 41 with IScalarEvaluator

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

the class UnixTimeFromDateInDaysDescriptor 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 argPtr = new VoidPointable();

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

                // possible returning types
                private AMutableInt64 aInt64 = new AMutableInt64(0);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<AInt64> int64Serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);

                @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_DATE_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, bytes[offset], ATypeTag.SERIALIZED_DATE_TYPE_TAG);
                    }
                    long dateChronon = ADateSerializerDeserializer.getChronon(bytes, offset + 1);
                    aInt64.setValue(dateChronon);
                    int64Serde.serialize(aInt64, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 42 with IScalarEvaluator

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

the class UnixTimeFromDatetimeInMsDescriptor 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 argPtr = new VoidPointable();

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

                // possible returning types
                private AMutableInt64 aInt64 = new AMutableInt64(0);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<AInt64> int64Serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);

                @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);
                    aInt64.setValue(datetimeChronon);
                    int64Serde.serialize(aInt64, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 43 with IScalarEvaluator

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

the class UnixTimeFromDatetimeInSecsDescriptor 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
                private AMutableInt64 aInt64 = new AMutableInt64(0);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<AInt64> int64Serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);

                @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] != SERIALIZED_DATETIME_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, bytes[offset], ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
                    }
                    long datetimeChronon = ADateTimeSerializerDeserializer.getChronon(bytes, offset + 1);
                    aInt64.setValue(datetimeChronon / 1000L);
                    int64Serde.serialize(aInt64, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 44 with IScalarEvaluator

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

the class UnixTimeFromTimeInMsDescriptor 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
                private AMutableInt64 aInt64 = new AMutableInt64(0);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<AInt64> int64Serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);

                @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_TIME_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, bytes[offset], ATypeTag.SERIALIZED_TIME_TYPE_TAG);
                    }
                    long timeChronon = ATimeSerializerDeserializer.getChronon(bytes, offset + 1);
                    aInt64.setValue(timeChronon);
                    int64Serde.serialize(aInt64, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 45 with IScalarEvaluator

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

the class DurationFromMillisecondsDescriptor 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<ADuration> durationSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADURATION);

                AMutableDuration aDuration = new AMutableDuration(0, 0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval0.evaluate(tuple, argPtr0);
                    byte[] bytes = argPtr0.getByteArray();
                    int offset = argPtr0.getStartOffset();
                    ATypeTag argPtrTypeTag = ATypeTag.VALUE_TYPE_MAPPING[bytes[offset]];
                    switch(argPtrTypeTag) {
                        case TINYINT:
                            aDuration.setValue(0, AInt8SerializerDeserializer.getByte(bytes, offset + 1));
                            break;
                        case SMALLINT:
                            aDuration.setValue(0, AInt16SerializerDeserializer.getShort(bytes, offset + 1));
                            break;
                        case INTEGER:
                            aDuration.setValue(0, AInt32SerializerDeserializer.getInt(bytes, offset + 1));
                            break;
                        case BIGINT:
                            aDuration.setValue(0, AInt64SerializerDeserializer.getLong(bytes, offset + 1));
                            break;
                        default:
                            throw new TypeMismatchException(getIdentifier(), 0, bytes[offset], ATypeTag.SERIALIZED_INT8_TYPE_TAG, ATypeTag.SERIALIZED_INT16_TYPE_TAG, ATypeTag.SERIALIZED_INT32_TYPE_TAG, ATypeTag.SERIALIZED_INT64_TYPE_TAG);
                    }
                    durationSerde.serialize(aDuration, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}