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

Example 6 with APoint

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

the class ALineSerializerDeserializer method deserialize.

@Override
public ALine deserialize(DataInput in) throws HyracksDataException {
    try {
        APoint p1 = APointSerializerDeserializer.INSTANCE.deserialize(in);
        APoint p2 = APointSerializerDeserializer.INSTANCE.deserialize(in);
        return new ALine(p1, p2);
    } catch (IOException e) {
        throw new HyracksDataException(e);
    }
}

Example 7 with APoint

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

the class APolygonSerializerDeserializer method deserialize.

@Override
public APolygon deserialize(DataInput in) throws HyracksDataException {
    try {
        short numberOfPoints = in.readShort();
        APoint[] points = new APoint[numberOfPoints];
        for (int i = 0; i < numberOfPoints; i++) {
            points[i] = APointSerializerDeserializer.INSTANCE.deserialize(in);
        }
        return new APolygon(points);
    } catch (IOException e) {
        throw new HyracksDataException(e);
    }
}

Example 8 with APoint

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

the class CircleCenterAccessor 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 final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private final DataOutput out = resultStorage.getDataOutput();

                private final IPointable argPtr = new VoidPointable();

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

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

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

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    eval.evaluate(tuple, argPtr);
                    byte[] bytes = argPtr.getByteArray();
                    int startOffset = argPtr.getStartOffset();
                    resultStorage.reset();
                    try {
                        double cX;
                        double cY;
                        if (bytes[startOffset] == ATypeTag.SERIALIZED_CIRCLE_TYPE_TAG) {
                            cX = ADoubleSerializerDeserializer.getDouble(bytes, startOffset + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.X));
                            cY = ADoubleSerializerDeserializer.getDouble(bytes, startOffset + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.Y));
                            aPoint.setValue(cX, cY);
                            pointSerde.serialize(aPoint, out);
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, bytes[startOffset], ATypeTag.SERIALIZED_CIRCLE_TYPE_TAG);
                        }
                    } catch (IOException e) {
                        throw new HyracksDataException(e);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 9 with APoint

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

the class APointConstructorDescriptor 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 AMutablePoint aPoint = new AMutablePoint(0, 0);

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

                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);
                            String s = utf8Ptr.toString();
                            aPoint.setValue(Double.parseDouble(s.substring(0, s.indexOf(','))), Double.parseDouble(s.substring(s.indexOf(',') + 1, s.length())));
                            pointSerde.serialize(aPoint, 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_POINT_TYPE_TAG);
                    }
                }
            };
        }
    };
}