Examples with VoidPointable org.apache.hyracks.data.std.primitive.VoidPointable used on opensource projects

Example 71 with VoidPointable

use of org.apache.hyracks.data.std.primitive.VoidPointable in project asterixdb by apache.

the class SpatialIntersectDescriptor 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 inputArg0 = new VoidPointable();

                private final IPointable inputArg1 = new VoidPointable();

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

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

                private final IBinaryComparator ascDoubleComp = BinaryComparatorFactoryProvider.DOUBLE_POINTABLE_INSTANCE.createBinaryComparator();

                private final SpatialUtils spatialUtils = new SpatialUtils();

                private final IntArray pointsOffsets0 = new IntArray();

                private final IntArray pointsOffsets1 = new IntArray();

                private final DoubleArray trianglesX0 = new DoubleArray();

                private final DoubleArray trianglesY0 = new DoubleArray();

                private final DoubleArray trianglesX1 = new DoubleArray();

                private final DoubleArray trianglesY1 = new DoubleArray();

                private final AObjectSerializerDeserializer aBooleanSerDer = AObjectSerializerDeserializer.INSTANCE;

                private boolean pointOnLine(double pX, double pY, double startX, double startY, double endX, double endY) throws HyracksDataException {
                    double crossProduct = SpatialUtils.crossProduct(pY - startY, pX - startX, endY - startY, endX - startX);
                    if (Math.abs(crossProduct) > SpatialUtils.doubleEpsilon()) {
                        // crossProduct != 0
                        return false;
                    }
                    double dotProduct = SpatialUtils.dotProduct((pX - startX), (pY - startY), (endX - startX), (endY - startY));
                    if (dotProduct < 0.0) {
                        return false;
                    }
                    double squaredLengthBA = (endX - startX) * (endX - startX) + (endY - startY) * (endY - startY);
                    if (dotProduct > squaredLengthBA) {
                        return false;
                    }
                    return true;
                }

                private boolean pointInPolygon(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    // ray casting
                    double pX = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.X));
                    double pY = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y));
                    int numOfPoints1 = AInt16SerializerDeserializer.getShort(bytes1, offset1 + APolygonSerializerDeserializer.getNumberOfPointsOffset());
                    if (numOfPoints1 < 3) {
                        throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_POLYGON_TYPE_TAG);
                    }
                    int counter = 0;
                    double xInters;
                    double x1, x2, y1, y2;
                    x1 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(0, Coordinate.X));
                    y1 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(0, Coordinate.Y));
                    for (int i = 1; i <= numOfPoints1; i++) {
                        if (i == numOfPoints1) {
                            x2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(0, Coordinate.X));
                            y2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(0, Coordinate.Y));
                        } else {
                            x2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(i, Coordinate.X));
                            y2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(i, Coordinate.Y));
                        }
                        if (!pointOnLine(pX, pY, x1, y1, x2, y2)) {
                            if (pY > Math.min(y1, y2)) {
                                if (pY <= Math.max(y1, y2)) {
                                    if (pX <= Math.max(x1, x2)) {
                                        if (y1 != y2) {
                                            xInters = (pY - y1) * (x2 - x1) / (y2 - y1) + x1;
                                            if (x1 == x2 || pX <= xInters) {
                                                counter++;
                                            }
                                        }
                                    }
                                }
                            }
                        }
                        x1 = x2;
                        y1 = y2;
                    }
                    if (counter % 2 == 1) {
                        return true;
                    } else {
                        return false;
                    }
                }

                private boolean pointInCircle(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    double x = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.X));
                    double y = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y));
                    double cX = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.X));
                    double cY = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.Y));
                    double radius = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ACircleSerializerDeserializer.getRadiusOffset());
                    if ((x - cX) * (x - cX) + (y - cY) * (y - cY) <= (radius * radius)) {
                        return true;
                    }
                    return false;
                }

                private boolean lineLineIntersection(double startX1, double startY1, double endX1, double endY1, double startX2, double startY2, double endX2, double endY2) {
                    double A1 = endY1 - startY1;
                    double B1 = startX1 - endX1;
                    double C1 = A1 * startX1 + B1 * startY1;
                    double A2 = endY2 - startY2;
                    double B2 = startX2 - endX2;
                    double C2 = A2 * startX2 + B2 * startY2;
                    double det = (A1 * B2) - (A2 * B1);
                    if (Math.abs(det) > SpatialUtils.doubleEpsilon()) {
                        // det != 0
                        double x = (B2 * C1 - B1 * C2) / det;
                        double y = (A1 * C2 - A2 * C1) / det;
                        if ((x >= Math.min(startX1, endX1) && x <= Math.max(startX1, endX1)) && (y >= Math.min(startY1, endY1) && y <= Math.max(startY1, endY1))) {
                            if ((x >= Math.min(startX2, endX2) && x <= Math.max(startX2, endX2)) && (y >= Math.min(startY2, endY2) && y <= Math.max(startY2, endY2))) {
                                return true;
                            }
                        }
                    }
                    return false;
                }

                private boolean linePolygonIntersection(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    double startX1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.X));
                    double startY1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.Y));
                    double endX1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.X));
                    double endY1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.Y));
                    int numOfPoints1 = AInt16SerializerDeserializer.getShort(bytes1, offset1 + APolygonSerializerDeserializer.getNumberOfPointsOffset());
                    if (numOfPoints1 < 3) {
                        throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_POLYGON_TYPE_TAG);
                    }
                    for (int i = 0; i < numOfPoints1; i++) {
                        double startX2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(i, Coordinate.X));
                        double startY2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(i, Coordinate.Y));
                        double endX2;
                        double endY2;
                        if (i + 1 == numOfPoints1) {
                            endX2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(0, Coordinate.X));
                            endY2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(0, Coordinate.Y));
                        } else {
                            endX2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(i + 1, Coordinate.X));
                            endY2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APolygonSerializerDeserializer.getCoordinateOffset(i + 1, Coordinate.Y));
                        }
                        boolean intersect = lineLineIntersection(startX1, startY1, endX1, endY1, startX2, startY2, endX2, endY2);
                        if (intersect) {
                            return true;
                        }
                    }
                    return false;
                }

                private boolean lineRectangleIntersection(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    double startX1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.X));
                    double startY1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.Y));
                    double endX1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.X));
                    double endY1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.Y));
                    double x1 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ARectangleSerializerDeserializer.getBottomLeftCoordinateOffset(Coordinate.X));
                    double y1 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ARectangleSerializerDeserializer.getBottomLeftCoordinateOffset(Coordinate.Y));
                    double x2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ARectangleSerializerDeserializer.getUpperRightCoordinateOffset(Coordinate.X));
                    double y2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ARectangleSerializerDeserializer.getUpperRightCoordinateOffset(Coordinate.Y));
                    if (lineLineIntersection(startX1, startY1, endX1, endY1, x1, y1, x1, y2) || lineLineIntersection(startX1, startY1, endX1, endY1, x1, y2, x2, y2) || lineLineIntersection(startX1, startY1, endX1, endY1, x2, y2, x2, y1) || lineLineIntersection(startX1, startY1, endX1, endY1, x2, y1, x1, y1)) {
                        return true;
                    }
                    return false;
                }

                private boolean lineCircleIntersection(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    double startX = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.X));
                    double startY = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.Y));
                    double endX = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.X));
                    double endY = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.Y));
                    double cX = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.X));
                    double cY = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.Y));
                    double radius = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ACircleSerializerDeserializer.getRadiusOffset());
                    double dx = endX - startX;
                    double dy = endY - startY;
                    double t = -((startX - cX) * dx + (startY - cY) * dy) / ((dx * dx) + (dy * dy));
                    if (t < 0.0) {
                        t = 0.0;
                    } else if (t > 1.0) {
                        t = 1.0;
                    }
                    dx = (startX + t * (endX - startX)) - cX;
                    dy = (startY + t * (endY - startY)) - cY;
                    double rt = (dx * dx) + (dy * dy);
                    if (rt <= (radius * radius)) {
                        return true;
                    }
                    return false;
                }

                private boolean findEar(byte[] bytes, int offset, int u, int v, int w, int n, IntArray pointsOffsets) throws HyracksDataException {
                    int p;
                    double Ax, Ay, Bx, By, Cx, Cy, Px, Py;
                    Ax = ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(u), Coordinate.X));
                    Ay = ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(u), Coordinate.Y));
                    Bx = ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(v), Coordinate.X));
                    By = ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(v), Coordinate.Y));
                    Cx = ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(w), Coordinate.X));
                    Cy = ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(w), Coordinate.Y));
                    if (SpatialUtils.doubleEpsilon() > (((Bx - Ax) * (Cy - Ay)) - ((By - Ay) * (Cx - Ax)))) {
                        return false;
                    }
                    for (p = 0; p < n; p++) {
                        if ((p == u) || (p == v) || (p == w)) {
                            continue;
                        }
                        Px = ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(p), Coordinate.X));
                        Py = ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(p), Coordinate.Y));
                        if (pointInsideTriangle(Ax, Ay, Bx, By, Cx, Cy, Px, Py)) {
                            return false;
                        }
                    }
                    return true;
                }

                private int triangulatePolygon(byte[] bytes, int offset, int numOfPoints, IntArray pointsOffsets, DoubleArray trianglesX, DoubleArray trianglesY, int triangleId, int nonSimplePolygonDetection, int middleVertex) throws HyracksDataException {
                    if (numOfPoints < 3) {
                        return -1;
                    }
                    boolean foundEar = false;
                    int v = middleVertex;
                    while (!foundEar) {
                        if (0 >= (nonSimplePolygonDetection--)) {
                            throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_POLYGON_TYPE_TAG);
                        }
                        int u = v;
                        if (numOfPoints <= u) {
                            u = 0;
                        }
                        v = u + 1;
                        if (numOfPoints <= v) {
                            v = 0;
                        }
                        int w = v + 1;
                        if (numOfPoints <= w) {
                            w = 0;
                        }
                        if (findEar(bytes, offset, u, v, w, numOfPoints, pointsOffsets)) {
                            int s, t;
                            addRectangle(trianglesX, trianglesY);
                            SpatialUtils.setTriangleXCoordinate(trianglesX, triangleId, 0, ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(u), Coordinate.X)));
                            SpatialUtils.setTriangleYCoordinate(trianglesY, triangleId, 0, ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(u), Coordinate.Y)));
                            SpatialUtils.setTriangleXCoordinate(trianglesX, triangleId, 1, ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(v), Coordinate.X)));
                            SpatialUtils.setTriangleYCoordinate(trianglesY, triangleId, 1, ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(v), Coordinate.Y)));
                            SpatialUtils.setTriangleXCoordinate(trianglesX, triangleId, 2, ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(w), Coordinate.X)));
                            SpatialUtils.setTriangleYCoordinate(trianglesY, triangleId, 2, ADoubleSerializerDeserializer.getDouble(bytes, offset + APolygonSerializerDeserializer.getCoordinateOffset(pointsOffsets.get(w), Coordinate.Y)));
                            // remove v from polygon
                            for (s = v, t = v + 1; t < numOfPoints; s++, t++) {
                                pointsOffsets.get()[s] = pointsOffsets.get(t);
                            }
                            foundEar = true;
                        }
                    }
                    return v;
                }

                private boolean triangleTriangleIntersection(DoubleArray trianglesX0, DoubleArray trianglesY0, int triangleId0, DoubleArray trianglesX1, DoubleArray trianglesY1, int triangleId1) throws HyracksDataException {
                    for (int side = 0; side < 3; side++) {
                        spatialUtils.findNormals(trianglesX0, trianglesY0, triangleId0, side);
                        spatialUtils.projectPolygon(trianglesX0, trianglesY0, triangleId0, spatialUtils.getXAxis(), spatialUtils.getYAxis());
                        double min1 = spatialUtils.getMinProjection();
                        double max1 = spatialUtils.getMaxProjection();
                        spatialUtils.projectPolygon(trianglesX1, trianglesY1, triangleId1, spatialUtils.getXAxis(), spatialUtils.getYAxis());
                        double min2 = spatialUtils.getMinProjection();
                        double max2 = spatialUtils.getMaxProjection();
                        if (max1 < min2 || min1 > max2) {
                            return false;
                        }
                    }
                    return true;
                }

                private boolean pointInsideTriangle(double x1, double y1, double x2, double y2, double x3, double y3, double pX, double pY) {
                    return pointsOnSameSide(pX, pY, x1, y1, x2, y2, x3, y3) && pointsOnSameSide(pX, pY, x2, y2, x1, y1, x3, y3) && pointsOnSameSide(pX, pY, x3, y3, x1, y1, x2, y2);
                }

                private boolean pointsOnSameSide(double pX, double pY, double x1, double y1, double x2, double y2, double x3, double y3) {
                    double cp1 = SpatialUtils.crossProduct(x3 - x2, y3 - y2, pX - x2, pY - y2);
                    double cp2 = SpatialUtils.crossProduct(x3 - x2, y3 - y2, x1 - x2, y1 - y2);
                    return (cp1 * cp2) >= 0.0;
                }

                private boolean circleTriangleIntersection(byte[] bytes0, int offset0, DoubleArray trianglesX, DoubleArray trianglesY, int triangleId) throws HyracksDataException {
                    // separating axis theorem
                    double cX = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.X));
                    double cY = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.Y));
                    double radius = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ACircleSerializerDeserializer.getRadiusOffset());
                    double distance = Double.MAX_VALUE;
                    double distanceSquared;
                    double temp;
                    double closestPointX = 0.0;
                    double closestPointY = 0.0;
                    for (int i = 0; i < 3; i++) {
                        double pX = SpatialUtils.getTriangleXCoordinate(trianglesX, triangleId, i);
                        double pY = SpatialUtils.getTriangleXCoordinate(trianglesY, triangleId, i);
                        distanceSquared = (cX - pX) * (cX - pX) + (cY - pY) * (cY - pY);
                        if (distanceSquared < distance) {
                            distance = distanceSquared;
                            closestPointX = pX;
                            closestPointY = pY;
                        }
                    }
                    double x = Math.abs(cX - closestPointX);
                    double y = Math.abs(cY - closestPointY);
                    temp = Math.sqrt(SpatialUtils.dotProduct(x, y, x, y));
                    x /= temp;
                    y /= temp;
                    spatialUtils.projectPolygon(trianglesX, trianglesY, triangleId, x, y);
                    double min1 = spatialUtils.getMinProjection();
                    double max1 = spatialUtils.getMaxProjection();
                    double dotProduct = SpatialUtils.dotProduct(x, y, cX, cY);
                    double max2 = dotProduct + radius;
                    double min2 = dotProduct - radius;
                    if (max1 < min2 || min1 > max2) {
                        return false;
                    }
                    for (int side = 0; side < 3; side++) {
                        spatialUtils.findNormals(trianglesX, trianglesY, triangleId, side);
                        spatialUtils.projectPolygon(trianglesX, trianglesY, triangleId, spatialUtils.getXAxis(), spatialUtils.getYAxis());
                        min1 = spatialUtils.getMinProjection();
                        max1 = spatialUtils.getMaxProjection();
                        dotProduct = SpatialUtils.dotProduct(spatialUtils.getXAxis(), spatialUtils.getYAxis(), cX, cY);
                        max2 = dotProduct + radius;
                        min2 = dotProduct - radius;
                        if (max1 < min2 || min1 > max2) {
                            return false;
                        }
                    }
                    return true;
                }

                private boolean circleCircleIntersection(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    double cX0 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.X));
                    double cY0 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.Y));
                    double radius0 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ACircleSerializerDeserializer.getRadiusOffset());
                    double cX1 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.X));
                    double cY1 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.Y));
                    double radius1 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ACircleSerializerDeserializer.getRadiusOffset());
                    double distanceSquared = SpatialUtils.dotProduct(cX0 - cX1, cY0 - cY1, cX0 - cX1, cY0 - cY1);
                    double radiusDistanceSquared = (radius0 + radius1) * (radius0 + radius1);
                    if (distanceSquared <= radiusDistanceSquared) {
                        return true;
                    }
                    return false;
                }

                private void getCounterClockWisePolygon(byte[] bytes, int offset, IntArray pointsOffsets, int numOfPoints) throws HyracksDataException {
                    pointsOffsets.reset();
                    if (SpatialUtils.polygonArea(bytes, offset, numOfPoints) > 0.0) {
                        for (int i = 0; i < numOfPoints; i++) {
                            pointsOffsets.add(i);
                        }
                    } else {
                        for (int i = 0; i < numOfPoints; i++) {
                            pointsOffsets.add((numOfPoints - 1) - i);
                        }
                    }
                }

                private boolean pointInRectangle(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    double pX = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.X));
                    double pY = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y));
                    double x1 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ARectangleSerializerDeserializer.getBottomLeftCoordinateOffset(Coordinate.X));
                    double y1 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ARectangleSerializerDeserializer.getBottomLeftCoordinateOffset(Coordinate.Y));
                    double x2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ARectangleSerializerDeserializer.getUpperRightCoordinateOffset(Coordinate.X));
                    double y2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ARectangleSerializerDeserializer.getUpperRightCoordinateOffset(Coordinate.Y));
                    if (pointInsideTriangle(x1, y1, x1, y2, x2, y2, pX, pY) || pointInsideTriangle(x1, y1, x2, y1, x2, y2, pX, pY)) {
                        return true;
                    }
                    return false;
                }

                private void addRectangle(DoubleArray trianglesX, DoubleArray trianglesY) {
                    for (int i = 0; i < 3; i++) {
                        double temp = 0;
                        trianglesX.add(temp);
                        trianglesY.add(temp);
                    }
                }

                private boolean rectangleCircleIntersection(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    triangulateRectangle(bytes0, offset0, trianglesX0, trianglesY0);
                    boolean res = false;
                    // 2 triangles in a rectangle
                    for (int i = 0; i < 2; i++) {
                        res = circleTriangleIntersection(bytes1, offset1, trianglesX0, trianglesY0, i);
                        if (res) {
                            break;
                        }
                    }
                    return res;
                }

                private void triangulateRectangle(byte[] bytes, int offset, DoubleArray trianglesX, DoubleArray trianglesY) throws HyracksDataException {
                    double x1 = ADoubleSerializerDeserializer.getDouble(bytes, offset + ARectangleSerializerDeserializer.getBottomLeftCoordinateOffset(Coordinate.X));
                    double y1 = ADoubleSerializerDeserializer.getDouble(bytes, offset + ARectangleSerializerDeserializer.getBottomLeftCoordinateOffset(Coordinate.Y));
                    double x2 = ADoubleSerializerDeserializer.getDouble(bytes, offset + ARectangleSerializerDeserializer.getUpperRightCoordinateOffset(Coordinate.X));
                    double y2 = ADoubleSerializerDeserializer.getDouble(bytes, offset + ARectangleSerializerDeserializer.getUpperRightCoordinateOffset(Coordinate.Y));
                    trianglesX.reset();
                    trianglesY.reset();
                    addRectangle(trianglesX, trianglesY);
                    addRectangle(trianglesX, trianglesY);
                    SpatialUtils.setTriangleXCoordinate(trianglesX, 0, 0, x1);
                    SpatialUtils.setTriangleYCoordinate(trianglesY, 0, 0, y1);
                    SpatialUtils.setTriangleXCoordinate(trianglesX, 0, 1, x2);
                    SpatialUtils.setTriangleYCoordinate(trianglesY, 0, 1, y1);
                    SpatialUtils.setTriangleXCoordinate(trianglesX, 0, 2, x2);
                    SpatialUtils.setTriangleYCoordinate(trianglesY, 0, 2, y2);
                    SpatialUtils.setTriangleXCoordinate(trianglesX, 1, 0, x2);
                    SpatialUtils.setTriangleYCoordinate(trianglesY, 1, 0, y2);
                    SpatialUtils.setTriangleXCoordinate(trianglesX, 1, 1, x1);
                    SpatialUtils.setTriangleYCoordinate(trianglesY, 1, 1, y2);
                    SpatialUtils.setTriangleXCoordinate(trianglesX, 1, 2, x1);
                    SpatialUtils.setTriangleYCoordinate(trianglesY, 1, 2, y1);
                }

                private boolean rectanglePolygonIntersection(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    int numOfPoints1 = AInt16SerializerDeserializer.getShort(bytes1, offset1 + APolygonSerializerDeserializer.getNumberOfPointsOffset());
                    if (numOfPoints1 < 3) {
                        throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_POLYGON_TYPE_TAG);
                    }
                    getCounterClockWisePolygon(bytes1, offset1, pointsOffsets1, numOfPoints1);
                    int nonSimplePolygonDetection1 = 2 * numOfPoints1;
                    int middleVertex1 = numOfPoints1 - 1;
                    int numOfTriangles1 = 0;
                    trianglesX1.reset();
                    trianglesY1.reset();
                    while (true) {
                        middleVertex1 = triangulatePolygon(bytes1, offset1, numOfPoints1, pointsOffsets1, trianglesX1, trianglesY1, numOfTriangles1, nonSimplePolygonDetection1, middleVertex1);
                        if (middleVertex1 == -1) {
                            break;
                        }
                        numOfPoints1--;
                        nonSimplePolygonDetection1 = 2 * numOfPoints1;
                        numOfTriangles1++;
                    }
                    triangulateRectangle(bytes0, offset0, trianglesX0, trianglesY0);
                    boolean res = false;
                    // 2 triangles in a rectangle
                    for (int j = 0; j < 2; j++) {
                        for (int i = 0; i < numOfTriangles1; i++) {
                            res = triangleTriangleIntersection(trianglesX1, trianglesY1, i, trianglesX0, trianglesY0, j);
                            if (res) {
                                res = triangleTriangleIntersection(trianglesX0, trianglesY0, j, trianglesX1, trianglesY1, i);
                                if (res) {
                                    return true;
                                }
                            }
                        }
                    }
                    return false;
                }

                private boolean polygonCircleIntersection(byte[] bytes0, int offset0, byte[] bytes1, int offset1) throws HyracksDataException {
                    int numOfPoints = AInt16SerializerDeserializer.getShort(bytes0, offset0 + APolygonSerializerDeserializer.getNumberOfPointsOffset());
                    if (numOfPoints < 3) {
                        throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_POLYGON_TYPE_TAG);
                    }
                    getCounterClockWisePolygon(bytes0, offset0, pointsOffsets0, numOfPoints);
                    int nonSimplePolygonDetection = 2 * numOfPoints;
                    int middleVertex = numOfPoints - 1;
                    int numOfTriangles = 0;
                    trianglesX0.reset();
                    trianglesY0.reset();
                    boolean res = false;
                    while (true) {
                        middleVertex = triangulatePolygon(bytes0, offset0, numOfPoints, pointsOffsets0, trianglesX0, trianglesY0, numOfTriangles, nonSimplePolygonDetection, middleVertex);
                        if (middleVertex == -1) {
                            break;
                        }
                        numOfPoints--;
                        nonSimplePolygonDetection = 2 * numOfPoints;
                        numOfTriangles++;
                        int lastTriangle = (trianglesX0.length() / 3) - 1;
                        res = circleTriangleIntersection(bytes1, offset1, trianglesX0, trianglesY0, lastTriangle);
                        if (res) {
                            return true;
                        }
                    }
                    return false;
                }

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval0.evaluate(tuple, inputArg0);
                    eval1.evaluate(tuple, inputArg1);
                    byte[] bytes0 = inputArg0.getByteArray();
                    byte[] bytes1 = inputArg1.getByteArray();
                    int offset0 = inputArg0.getStartOffset();
                    int offset1 = inputArg1.getStartOffset();
                    boolean res = false;
                    ATypeTag tag0 = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes0[offset0]);
                    ATypeTag tag1 = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes1[offset1]);
                    switch(tag0) {
                        case POINT:
                            switch(tag1) {
                                case POINT:
                                    if (ascDoubleComp.compare(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.X), 8, bytes1, offset1 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.X), 8) == 0) {
                                        if (ascDoubleComp.compare(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y), 8, bytes1, offset1 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y), 8) == 0) {
                                            res = true;
                                        }
                                    }
                                    break;
                                case LINE:
                                    double pX = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.X));
                                    double pY = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y));
                                    double startX = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.X));
                                    double startY = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.Y));
                                    double endX = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.X));
                                    double endY = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.Y));
                                    res = pointOnLine(pX, pY, startX, startY, endX, endY);
                                    break;
                                case POLYGON:
                                    res = pointInPolygon(bytes0, offset0, bytes1, offset1);
                                    break;
                                case CIRCLE:
                                    res = pointInCircle(bytes0, offset0, bytes1, offset1);
                                    break;
                                case RECTANGLE:
                                    res = pointInRectangle(bytes0, offset0, bytes1, offset1);
                                    break;
                                default:
                                    throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_POINT_TYPE_TAG, ATypeTag.SERIALIZED_LINE_TYPE_TAG, ATypeTag.SERIALIZED_POLYGON_TYPE_TAG, ATypeTag.SERIALIZED_CIRCLE_TYPE_TAG, ATypeTag.SERIALIZED_RECTANGLE_TYPE_TAG);
                            }
                            break;
                        case LINE:
                            switch(tag1) {
                                case POINT:
                                    double pX = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.X));
                                    double pY = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y));
                                    double startX = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.X));
                                    double startY = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.Y));
                                    double endX = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.X));
                                    double endY = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.Y));
                                    res = pointOnLine(pX, pY, startX, startY, endX, endY);
                                    break;
                                case LINE:
                                    double startX1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.X));
                                    double startY1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.Y));
                                    double endX1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.X));
                                    double endY1 = ADoubleSerializerDeserializer.getDouble(bytes0, offset0 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.Y));
                                    double startX2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.X));
                                    double startY2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.Y));
                                    double endX2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.X));
                                    double endY2 = ADoubleSerializerDeserializer.getDouble(bytes1, offset1 + ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.Y));
                                    res = lineLineIntersection(startX1, startY1, endX1, endY1, startX2, startY2, endX2, endY2);
                                    break;
                                case POLYGON:
                                    res = linePolygonIntersection(bytes0, offset0, bytes1, offset1);
                                    break;
                                case CIRCLE:
                                    res = lineCircleIntersection(bytes0, offset0, bytes1, offset1);
                                    break;
                                case RECTANGLE:
                                    res = lineRectangleIntersection(bytes0, offset0, bytes1, offset1);
                                    break;
                                default:
                                    throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_POINT_TYPE_TAG, ATypeTag.SERIALIZED_LINE_TYPE_TAG, ATypeTag.SERIALIZED_POLYGON_TYPE_TAG, ATypeTag.SERIALIZED_CIRCLE_TYPE_TAG, ATypeTag.SERIALIZED_RECTANGLE_TYPE_TAG);
                            }
                            break;
                        case POLYGON:
                            switch(tag1) {
                                case POINT:
                                    res = pointInPolygon(bytes1, offset1, bytes0, offset0);
                                    break;
                                case LINE:
                                    res = linePolygonIntersection(bytes1, offset1, bytes0, offset0);
                                    break;
                                case POLYGON:
                                    int numOfPoints0 = AInt16SerializerDeserializer.getShort(bytes0, offset0 + APolygonSerializerDeserializer.getNumberOfPointsOffset());
                                    int numOfPoints1 = AInt16SerializerDeserializer.getShort(bytes1, offset1 + APolygonSerializerDeserializer.getNumberOfPointsOffset());
                                    if (numOfPoints0 < 3 || numOfPoints1 < 3) {
                                        throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_POLYGON_TYPE_TAG);
                                    }
                                    getCounterClockWisePolygon(bytes0, offset0, pointsOffsets0, numOfPoints0);
                                    getCounterClockWisePolygon(bytes1, offset1, pointsOffsets1, numOfPoints1);
                                    int nonSimplePolygonDetection0 = 2 * numOfPoints0;
                                    int nonSimplePolygonDetection1 = 2 * numOfPoints1;
                                    boolean intersect = false;
                                    int middleVertex0 = numOfPoints0 - 1;
                                    int numOfTriangles1 = 0;
                                    int middleVertex1 = numOfPoints1 - 1;
                                    trianglesX1.reset();
                                    trianglesY1.reset();
                                    while (true) {
                                        middleVertex1 = triangulatePolygon(bytes1, offset1, numOfPoints1, pointsOffsets1, trianglesX1, trianglesY1, numOfTriangles1, nonSimplePolygonDetection1, middleVertex1);
                                        if (middleVertex1 == -1) {
                                            break;
                                        }
                                        numOfPoints1--;
                                        nonSimplePolygonDetection1 = 2 * numOfPoints1;
                                        numOfTriangles1++;
                                    }
                                    int numOfTriangles0 = 0;
                                    trianglesX0.reset();
                                    trianglesY0.reset();
                                    while (true) {
                                        middleVertex0 = triangulatePolygon(bytes0, offset0, numOfPoints0, pointsOffsets0, trianglesX0, trianglesY0, numOfTriangles0, nonSimplePolygonDetection0, middleVertex0);
                                        if (middleVertex0 == -1) {
                                            break;
                                        }
                                        numOfPoints0--;
                                        nonSimplePolygonDetection0 = 2 * numOfPoints0;
                                        numOfTriangles0++;
                                        int lastTriangle = (trianglesX0.length() / 3) - 1;
                                        for (int i = 0; i < numOfTriangles1; i++) {
                                            res = triangleTriangleIntersection(trianglesX0, trianglesY0, lastTriangle, trianglesX1, trianglesY1, i);
                                            if (res) {
                                                res = triangleTriangleIntersection(trianglesX1, trianglesY1, i, trianglesX0, trianglesY0, lastTriangle);
                                                if (res) {
                                                    intersect = true;
                                                    break;
                                                }
                                            }
                                        }
                                        if (intersect) {
                                            break;
                                        }
                                    }
                                    break;
                                case CIRCLE:
                                    res = polygonCircleIntersection(bytes0, offset0, bytes1, offset1);
                                    break;
                                case RECTANGLE:
                                    res = rectanglePolygonIntersection(bytes1, offset1, bytes0, offset0);
                                    break;
                                default:
                                    throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_POINT_TYPE_TAG, ATypeTag.SERIALIZED_LINE_TYPE_TAG, ATypeTag.SERIALIZED_POLYGON_TYPE_TAG, ATypeTag.SERIALIZED_CIRCLE_TYPE_TAG, ATypeTag.SERIALIZED_RECTANGLE_TYPE_TAG);
                            }
                            break;
                        case CIRCLE:
                            switch(tag1) {
                                case POINT:
                                    res = pointInCircle(bytes1, offset1, bytes0, offset0);
                                    break;
                                case LINE:
                                    res = lineCircleIntersection(bytes1, offset1, bytes0, offset0);
                                    break;
                                case POLYGON:
                                    res = polygonCircleIntersection(bytes1, offset1, bytes0, offset0);
                                    break;
                                case CIRCLE:
                                    res = circleCircleIntersection(bytes0, offset0, bytes1, offset1);
                                    break;
                                case RECTANGLE:
                                    res = rectangleCircleIntersection(bytes1, offset1, bytes0, offset0);
                                    break;
                                default:
                                    throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_POINT_TYPE_TAG, ATypeTag.SERIALIZED_LINE_TYPE_TAG, ATypeTag.SERIALIZED_POLYGON_TYPE_TAG, ATypeTag.SERIALIZED_CIRCLE_TYPE_TAG, ATypeTag.SERIALIZED_RECTANGLE_TYPE_TAG);
                            }
                            break;
                        case RECTANGLE:
                            switch(tag1) {
                                case POINT:
                                    res = pointInRectangle(bytes1, offset1, bytes0, offset0);
                                    break;
                                case LINE:
                                    res = lineRectangleIntersection(bytes1, offset1, bytes0, offset0);
                                    break;
                                case POLYGON:
                                    res = rectanglePolygonIntersection(bytes0, offset0, bytes1, offset1);
                                    break;
                                case CIRCLE:
                                    res = rectangleCircleIntersection(bytes0, offset0, bytes1, offset1);
                                    break;
                                case RECTANGLE:
                                    triangulateRectangle(bytes0, offset0, trianglesX0, trianglesY0);
                                    triangulateRectangle(bytes1, offset1, trianglesX1, trianglesY1);
                                    boolean intersect = false;
                                    // 2 triangles in a rectangle
                                    for (int j = 0; j < 2; j++) {
                                        for (int i = 0; i < 2; i++) {
                                            res = triangleTriangleIntersection(trianglesX1, trianglesY1, i, trianglesX0, trianglesY0, j);
                                            if (res) {
                                                res = triangleTriangleIntersection(trianglesX0, trianglesY0, j, trianglesX1, trianglesY1, i);
                                                if (res) {
                                                    intersect = true;
                                                    break;
                                                }
                                            }
                                        }
                                        if (intersect) {
                                            break;
                                        }
                                    }
                                    break;
                                default:
                                    throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_POINT_TYPE_TAG, ATypeTag.SERIALIZED_LINE_TYPE_TAG, ATypeTag.SERIALIZED_POLYGON_TYPE_TAG, ATypeTag.SERIALIZED_CIRCLE_TYPE_TAG, ATypeTag.SERIALIZED_RECTANGLE_TYPE_TAG);
                            }
                            break;
                        default:
                            throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0], ATypeTag.SERIALIZED_POINT_TYPE_TAG, ATypeTag.SERIALIZED_LINE_TYPE_TAG, ATypeTag.SERIALIZED_POLYGON_TYPE_TAG, ATypeTag.SERIALIZED_CIRCLE_TYPE_TAG, ATypeTag.SERIALIZED_RECTANGLE_TYPE_TAG);
                    }
                    ABoolean aResult = res ? ABoolean.TRUE : ABoolean.FALSE;
                    aBooleanSerDer.serialize(aResult, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 72 with VoidPointable

use of org.apache.hyracks.data.std.primitive.VoidPointable in project asterixdb by apache.

the class SubstringBeforeDescriptor 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 array0 = new VoidPointable();

                private IPointable array1 = new VoidPointable();

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

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

                private final GrowableArray array = new GrowableArray();

                private final UTF8StringBuilder builder = new UTF8StringBuilder();

                private final UTF8StringPointable stringPtr = new UTF8StringPointable();

                private final UTF8StringPointable patternPtr = new UTF8StringPointable();

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    evalString.evaluate(tuple, array0);
                    byte[] src = array0.getByteArray();
                    int srcOffset = array0.getStartOffset();
                    int srcLen = array0.getLength();
                    evalPattern.evaluate(tuple, array1);
                    byte[] pattern = array1.getByteArray();
                    int patternOffset = array1.getStartOffset();
                    int patternLen = array1.getLength();
                    if (src[srcOffset] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, src[srcOffset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                    }
                    if (pattern[patternOffset] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 1, pattern[patternOffset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                    }
                    try {
                        stringPtr.set(src, srcOffset + 1, srcLen - 1);
                        patternPtr.set(pattern, patternOffset + 1, patternLen - 1);
                        array.reset();
                        UTF8StringPointable.substrBefore(stringPtr, patternPtr, builder, array);
                        out.writeByte(ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        out.write(array.getByteArray(), 0, array.getLength());
                    } catch (IOException e) {
                        throw new HyracksDataException(e);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 73 with VoidPointable

use of org.apache.hyracks.data.std.primitive.VoidPointable in project asterixdb by apache.

the class SubstringDescriptor 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 IPointable argString = new VoidPointable();

                private IPointable argStart = new VoidPointable();

                private IPointable argLen = new VoidPointable();

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

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

                private final IScalarEvaluator evalLen = args[2].createScalarEvaluator(ctx);

                private final GrowableArray array = new GrowableArray();

                private final UTF8StringBuilder builder = new UTF8StringBuilder();

                private final UTF8StringPointable string = new UTF8StringPointable();

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    evalString.evaluate(tuple, argString);
                    evalStart.evaluate(tuple, argStart);
                    evalLen.evaluate(tuple, argLen);
                    byte[] bytes = argStart.getByteArray();
                    int offset = argStart.getStartOffset();
                    int start = ATypeHierarchy.getIntegerValue(getIdentifier().getName(), 0, bytes, offset) - 1;
                    bytes = argLen.getByteArray();
                    offset = argLen.getStartOffset();
                    int len = ATypeHierarchy.getIntegerValue(getIdentifier().getName(), 1, bytes, offset);
                    bytes = argString.getByteArray();
                    offset = argString.getStartOffset();
                    int length = argString.getLength();
                    if (bytes[offset] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, bytes[offset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                    }
                    string.set(bytes, offset + 1, length - 1);
                    array.reset();
                    try {
                        UTF8StringPointable.substr(string, start, len, builder, array);
                    } catch (StringIndexOutOfBoundsException e) {
                        throw new RuntimeDataException(ErrorCode.OUT_OF_BOUND, getIdentifier(), 1, start + len - 1);
                    } catch (IOException e) {
                        throw new HyracksDataException(e);
                    }
                    try {
                        out.writeByte(ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        out.write(array.getByteArray(), 0, array.getLength());
                    } catch (IOException e) {
                        throw new HyracksDataException(e);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 74 with VoidPointable

use of org.apache.hyracks.data.std.primitive.VoidPointable 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 75 with VoidPointable

use of org.apache.hyracks.data.std.primitive.VoidPointable 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);
                }
            };
        }
    };
}