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

Example 81 with IScalarEvaluator

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

the class SwitchCaseDescriptor 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 {
            final IPointable condPtr = new VoidPointable();
            final IPointable casePtr = new VoidPointable();
            final IPointable argPtr = new VoidPointable();
            final IScalarEvaluator[] evals = new IScalarEvaluator[args.length];
            // condition
            evals[0] = args[0].createScalarEvaluator(ctx);
            // case value
            for (int i = 1; i < evals.length - 1; i += 2) {
                evals[i] = args[i].createScalarEvaluator(ctx);
            }
            // case expression
            for (int i = 2; i < evals.length - 1; i += 2) {
                evals[i] = args[i].createScalarEvaluator(ctx);
            }
            // default expression
            evals[evals.length - 1] = args[evals.length - 1].createScalarEvaluator(ctx);
            return new IScalarEvaluator() {

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    int n = args.length;
                    evals[0].evaluate(tuple, condPtr);
                    for (int i = 1; i < n; i += 2) {
                        evals[i].evaluate(tuple, casePtr);
                        if (equals(condPtr, casePtr)) {
                            evals[i + 1].evaluate(tuple, argPtr);
                            result.set(argPtr);
                            return;
                        }
                    }
                    // the default case
                    evals[n - 1].evaluate(tuple, argPtr);
                    result.set(argPtr);
                }

                private boolean equals(IPointable out1, IPointable out2) {
                    if (out1.getLength() != out2.getLength()) {
                        return false;
                    }
                    byte[] data1 = out1.getByteArray();
                    byte[] data2 = out2.getByteArray();
                    for (int i = out1.getStartOffset(), j = out2.getStartOffset(), k = 0; k < out1.getLength(); ++i, ++j, ++k) {
                        if (data1[i] != data2[j]) {
                            return false;
                        }
                    }
                    return true;
                }
            };
        }
    };
}

Example 82 with IScalarEvaluator

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

the class NumericRoundDescriptor 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);

                private AMutableDouble aDouble = new AMutableDouble(0);

                private AMutableFloat aFloat = new AMutableFloat(0);

                private AMutableInt64 aInt64 = new AMutableInt64(0);

                private AMutableInt32 aInt32 = new AMutableInt32(0);

                private AMutableInt16 aInt16 = new AMutableInt16((short) 0);

                private AMutableInt8 aInt8 = new AMutableInt8((byte) 0);

                @SuppressWarnings("rawtypes")
                private ISerializerDeserializer serde;

                @SuppressWarnings("unchecked")
                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval.evaluate(tuple, argPtr);
                    byte[] data = argPtr.getByteArray();
                    int offset = argPtr.getStartOffset();
                    if (data[offset] == ATypeTag.SERIALIZED_INT8_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT8);
                        byte val = AInt8SerializerDeserializer.getByte(data, offset + 1);
                        aInt8.setValue(val);
                        serde.serialize(aInt8, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_INT16_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT16);
                        short val = AInt16SerializerDeserializer.getShort(data, offset + 1);
                        aInt16.setValue(val);
                        serde.serialize(aInt16, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_INT32_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32);
                        int val = AInt32SerializerDeserializer.getInt(data, offset + 1);
                        aInt32.setValue(val);
                        serde.serialize(aInt32, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_INT64_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);
                        long val = AInt64SerializerDeserializer.getLong(data, offset + 1);
                        aInt64.setValue(val);
                        serde.serialize(aInt64, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_FLOAT_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AFLOAT);
                        float val = AFloatSerializerDeserializer.getFloat(data, offset + 1);
                        val = Math.round(val);
                        aFloat.setValue(val);
                        serde.serialize(aFloat, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADOUBLE);
                        double val = ADoubleSerializerDeserializer.getDouble(data, offset + 1);
                        val = Math.round(val);
                        aDouble.setValue(val);
                        serde.serialize(aDouble, out);
                    } else {
                        throw new TypeMismatchException(getIdentifier(), 0, data[offset], ATypeTag.SERIALIZED_INT8_TYPE_TAG, ATypeTag.SERIALIZED_INT16_TYPE_TAG, ATypeTag.SERIALIZED_INT32_TYPE_TAG, ATypeTag.SERIALIZED_INT64_TYPE_TAG, ATypeTag.SERIALIZED_FLOAT_TYPE_TAG, ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 83 with IScalarEvaluator

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

the class NumericRoundHalfToEvenDescriptor 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);

                private AMutableDouble aDouble = new AMutableDouble(0);

                private AMutableFloat aFloat = new AMutableFloat(0);

                private AMutableInt64 aInt64 = new AMutableInt64(0);

                private AMutableInt32 aInt32 = new AMutableInt32(0);

                private AMutableInt16 aInt16 = new AMutableInt16((short) 0);

                private AMutableInt8 aInt8 = new AMutableInt8((byte) 0);

                @SuppressWarnings("rawtypes")
                private ISerializerDeserializer serde;

                @SuppressWarnings("unchecked")
                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval.evaluate(tuple, argPtr);
                    byte[] data = argPtr.getByteArray();
                    int offset = argPtr.getStartOffset();
                    if (data[offset] == ATypeTag.SERIALIZED_INT8_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT8);
                        byte val = AInt8SerializerDeserializer.getByte(data, offset + 1);
                        aInt8.setValue(val);
                        serde.serialize(aInt8, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_INT16_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT16);
                        short val = AInt16SerializerDeserializer.getShort(data, offset + 1);
                        aInt16.setValue(val);
                        serde.serialize(aInt16, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_INT32_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32);
                        int val = AInt32SerializerDeserializer.getInt(data, offset + 1);
                        aInt32.setValue(val);
                        serde.serialize(aInt32, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_INT64_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);
                        long val = AInt64SerializerDeserializer.getLong(data, offset + 1);
                        aInt64.setValue(val);
                        serde.serialize(aInt64, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_FLOAT_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AFLOAT);
                        float val = AFloatSerializerDeserializer.getFloat(data, offset + 1);
                        aFloat.setValue((float) Math.rint(val));
                        serde.serialize(aFloat, out);
                    } else if (data[offset] == ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADOUBLE);
                        double val = ADoubleSerializerDeserializer.getDouble(data, offset + 1);
                        aDouble.setValue(Math.rint(val));
                        serde.serialize(aDouble, out);
                    } else {
                        throw new TypeMismatchException(getIdentifier(), 0, data[offset], ATypeTag.SERIALIZED_INT8_TYPE_TAG, ATypeTag.SERIALIZED_INT16_TYPE_TAG, ATypeTag.SERIALIZED_INT32_TYPE_TAG, ATypeTag.SERIALIZED_INT64_TYPE_TAG, ATypeTag.SERIALIZED_FLOAT_TYPE_TAG, ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 84 with IScalarEvaluator

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

the class NumericSubtractDescriptor 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();

                // one temp. buffer re-used by both children
                private IPointable argPtr = new VoidPointable();

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

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

                private double[] operands = new double[args.length];

                private boolean metInt8 = false, metInt16 = false, metInt32 = false, metInt64 = false, metFloat = false, metDouble = false;

                private ATypeTag typeTag;

                private AMutableDouble aDouble = new AMutableDouble(0);

                private AMutableFloat aFloat = new AMutableFloat(0);

                private AMutableInt64 aInt64 = new AMutableInt64(0);

                private AMutableInt32 aInt32 = new AMutableInt32(0);

                private AMutableInt16 aInt16 = new AMutableInt16((short) 0);

                private AMutableInt8 aInt8 = new AMutableInt8((byte) 0);

                @SuppressWarnings("rawtypes")
                private ISerializerDeserializer serde;

                @SuppressWarnings("unchecked")
                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    for (int i = 0; i < args.length; i++) {
                        if (i == 0) {
                            evalLeft.evaluate(tuple, argPtr);
                        } else {
                            evalRight.evaluate(tuple, argPtr);
                        }
                        byte[] data = argPtr.getByteArray();
                        int offset = argPtr.getStartOffset();
                        typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(data[offset]);
                        switch(typeTag) {
                            case TINYINT:
                                metInt8 = true;
                                operands[i] = AInt8SerializerDeserializer.getByte(data, offset + 1);
                                break;
                            case SMALLINT:
                                metInt16 = true;
                                operands[i] = AInt16SerializerDeserializer.getShort(data, offset + 1);
                                break;
                            case INTEGER:
                                metInt32 = true;
                                operands[i] = AInt32SerializerDeserializer.getInt(data, offset + 1);
                                break;
                            case BIGINT:
                                metInt64 = true;
                                operands[i] = AInt64SerializerDeserializer.getLong(data, offset + 1);
                                break;
                            case FLOAT:
                                metFloat = true;
                                operands[i] = AFloatSerializerDeserializer.getFloat(data, offset + 1);
                                break;
                            case DOUBLE:
                                metDouble = true;
                                operands[i] = ADoubleSerializerDeserializer.getDouble(data, offset + 1);
                                break;
                            default:
                                throw new TypeMismatchException(getIdentifier(), i, data[offset], ATypeTag.SERIALIZED_INT8_TYPE_TAG, ATypeTag.SERIALIZED_INT16_TYPE_TAG, ATypeTag.SERIALIZED_INT32_TYPE_TAG, ATypeTag.SERIALIZED_INT64_TYPE_TAG, ATypeTag.SERIALIZED_FLOAT_TYPE_TAG, ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG);
                        }
                    }
                    if (metDouble) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADOUBLE);
                        aDouble.setValue(operands[0] - operands[1]);
                        serde.serialize(aDouble, out);
                    } else if (metFloat) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AFLOAT);
                        aFloat.setValue((float) (operands[0] - operands[1]));
                        serde.serialize(aFloat, out);
                    } else if (metInt64) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);
                        aInt64.setValue((long) (operands[0] - operands[1]));
                        serde.serialize(aInt64, out);
                    } else if (metInt32) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32);
                        aInt32.setValue((int) (operands[0] - operands[1]));
                        serde.serialize(aInt32, out);
                    } else if (metInt16) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT16);
                        aInt16.setValue((short) (operands[0] - operands[1]));
                        serde.serialize(aInt16, out);
                    } else if (metInt8) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT8);
                        aInt8.setValue((byte) (operands[0] - operands[1]));
                        serde.serialize(aInt8, out);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 85 with IScalarEvaluator

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

the class CreatePointDescriptor 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 inputArg0 = new VoidPointable();

                private IPointable inputArg1 = new VoidPointable();

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

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

                private AMutablePoint aPoint = new AMutablePoint(0, 0);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<APoint> pointSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.APOINT);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    eval0.evaluate(tuple, inputArg0);
                    eval1.evaluate(tuple, inputArg1);
                    byte[] bytes0 = inputArg0.getByteArray();
                    int offset0 = inputArg0.getStartOffset();
                    byte[] bytes1 = inputArg1.getByteArray();
                    int offset1 = inputArg1.getStartOffset();
                    // type-check: (double, double)
                    if (bytes0[offset0] != ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0], ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG);
                    }
                    if (bytes1[offset1] != ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG);
                    }
                    resultStorage.reset();
                    try {
                        aPoint.setValue(ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + 1), ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + 1));
                        pointSerde.serialize(aPoint, out);
                    } catch (IOException e1) {
                        throw new HyracksDataException(e1);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}