How to use

getPathEnd

method

in

com.esri.core.geometry.MultiPath

@SqlNullable
@Description("Returns TRUE if the LineString or Multi-LineString's start and end points are coincident")
@ScalarFunction("ST_IsClosed")
@SqlType(BOOLEAN)
public static Boolean stIsClosed(@SqlType(GEOMETRY_TYPE_NAME) Slice input)
{
  OGCGeometry geometry = deserialize(input);
  validateType("ST_IsClosed", geometry, EnumSet.of(LINE_STRING, MULTI_LINE_STRING));
  MultiPath lines = (MultiPath) geometry.getEsriGeometry();
  int pathCount = lines.getPathCount();
  for (int i = 0; i < pathCount; i++) {
    Point start = lines.getPoint(lines.getPathStart(i));
    Point end = lines.getPoint(lines.getPathEnd(i) - 1);
    if (!end.equals(start)) {
      return false;
    }
  }
  return true;
}

private static boolean multiPathExactlyEqualsMultiPath_(
    MultiPath multipathA, MultiPath multipathB, double tolerance,
    ProgressTracker progress_tracker) {
  if (multipathA.getPathCount() != multipathB.getPathCount()
      || multipathA.getPointCount() != multipathB.getPointCount())
    return false;
  Point2D ptA = new Point2D(), ptB = new Point2D();
  boolean bAllPointsEqual = true;
  double tolerance_sq = tolerance * tolerance;
  for (int ipath = 0; ipath < multipathA.getPathCount(); ipath++) {
    if (multipathA.getPathEnd(ipath) != multipathB.getPathEnd(ipath)) {
      bAllPointsEqual = false;
      break;
    }
    for (int i = multipathA.getPathStart(ipath); i < multipathB
        .getPathEnd(ipath); i++) {
      multipathA.getXY(i, ptA);
      multipathB.getXY(i, ptB);
      if (Point2D.sqrDistance(ptA, ptB) > tolerance_sq) {
        bAllPointsEqual = false;
        break;
      }
    }
    if (!bAllPointsEqual)
      break;
  }
  if (!bAllPointsEqual)
    return false;
  return true;
}

private static boolean multiPathExactlyEqualsMultiPath_(
    MultiPath multipathA, MultiPath multipathB, double tolerance,
    ProgressTracker progress_tracker) {
  if (multipathA.getPathCount() != multipathB.getPathCount()
      || multipathA.getPointCount() != multipathB.getPointCount())
    return false;
  Point2D ptA = new Point2D(), ptB = new Point2D();
  boolean bAllPointsEqual = true;
  double tolerance_sq = tolerance * tolerance;
  for (int ipath = 0; ipath < multipathA.getPathCount(); ipath++) {
    if (multipathA.getPathEnd(ipath) != multipathB.getPathEnd(ipath)) {
      bAllPointsEqual = false;
      break;
    }
    for (int i = multipathA.getPathStart(ipath); i < multipathB
        .getPathEnd(ipath); i++) {
      multipathA.getXY(i, ptA);
      multipathB.getXY(i, ptB);
      if (Point2D.sqrDistance(ptA, ptB) > tolerance_sq) {
        bAllPointsEqual = false;
        break;
      }
    }
    if (!bAllPointsEqual)
      break;
  }
  if (!bAllPointsEqual)
    return false;
  return true;
}

void shiftPath(MultiPath inputGeom, int iPath, double shift) {
  MultiVertexGeometryImpl vertexGeometryImpl = (MultiVertexGeometryImpl) inputGeom
      ._getImpl();
  AttributeStreamOfDbl xyStream = (AttributeStreamOfDbl) vertexGeometryImpl
      .getAttributeStreamRef(VertexDescription.Semantics.POSITION);
  int i1 = inputGeom.getPathStart(iPath);
  int i2 = inputGeom.getPathEnd(iPath);
  Point2D pt = new Point2D();
  while (i1 < i2) {
    xyStream.read(i1, pt);
    pt.x += shift;
    xyStream.write(i1, pt);
    i1++;
  }
}

void shiftPath(MultiPath inputGeom, int iPath, double shift) {
  MultiVertexGeometryImpl vertexGeometryImpl = (MultiVertexGeometryImpl) inputGeom
      ._getImpl();
  AttributeStreamOfDbl xyStream = (AttributeStreamOfDbl) vertexGeometryImpl
      .getAttributeStreamRef(VertexDescription.Semantics.POSITION);
  int i1 = inputGeom.getPathStart(iPath);
  int i2 = inputGeom.getPathEnd(iPath);
  Point2D pt = new Point2D();
  while (i1 < i2) {
    xyStream.read(i1, pt);
    pt.x += shift;
    xyStream.write(i1, pt);
    i1++;
  }
}

void _OffsetPath(MultiPath multiPath, int pathIndex, MultiPath resultingPath) {
  int startVertex = multiPath.getPathStart(pathIndex);
  int endVertex = multiPath.getPathEnd(pathIndex);

void _OffsetPath(MultiPath multiPath, int pathIndex, MultiPath resultingPath) {
  int startVertex = multiPath.getPathStart(pathIndex);
  int endVertex = multiPath.getPathEnd(pathIndex);

@SqlNullable
@Description("Returns TRUE if the LineString or Multi-LineString's start and end points are coincident")
@ScalarFunction("ST_IsClosed")
@SqlType(BOOLEAN)
public static Boolean stIsClosed(@SqlType(GEOMETRY_TYPE_NAME) Slice input)
{
  OGCGeometry geometry = deserialize(input);
  validateType("ST_IsClosed", geometry, EnumSet.of(LINE_STRING, MULTI_LINE_STRING));
  MultiPath lines = (MultiPath) geometry.getEsriGeometry();
  int pathCount = lines.getPathCount();
  for (int i = 0; i < pathCount; i++) {
    Point start = lines.getPoint(lines.getPathStart(i));
    Point end = lines.getPoint(lines.getPathEnd(i) - 1);
    if (!end.equals(start)) {
      return false;
    }
  }
  return true;
}

@SqlNullable
@Description("Returns TRUE if the LineString or Multi-LineString's start and end points are coincident")
@ScalarFunction("ST_IsClosed")
@SqlType(BOOLEAN)
public static Boolean stIsClosed(@SqlType(GEOMETRY_TYPE_NAME) Slice input)
{
  OGCGeometry geometry = deserialize(input);
  validateType("ST_IsClosed", geometry, EnumSet.of(LINE_STRING, MULTI_LINE_STRING));
  MultiPath lines = (MultiPath) geometry.getEsriGeometry();
  int pathCount = lines.getPathCount();
  for (int i = 0; i < pathCount; i++) {
    Point start = lines.getPoint(lines.getPathStart(i));
    Point end = lines.getPoint(lines.getPathEnd(i) - 1);
    if (!end.equals(start)) {
      return false;
    }
  }
  return true;
}

for (int ix = 0; rslt && ix < nPaths; ix++) {
  Point p0 = lines.getPoint(lines.getPathStart(ix));
  Point pf = lines.getPoint(lines.getPathEnd(ix)-1);

for (int ix = 0; ix < nPath; ix++) {
  int curPt = lines.getPathStart(ix);
  int pastPt = lines.getPathEnd(ix);
  Point fromPt = lines.getPoint(curPt);
  Point toPt = null;