Module org.apache.lucene.spatial3d

Package org.apache.lucene.spatial3d.geom

Class GeoPolygonFactory.EdgeBuffer

java.lang.Object

org.apache.lucene.spatial3d.geom.GeoPolygonFactory.EdgeBuffer

Enclosing class:

GeoPolygonFactory

private static class GeoPolygonFactory.EdgeBuffer
extends Object

Class representing a pool of unused edges, all linked together by vertices.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Set<GeoPolygonFactory.Edge>	edges	Full set of edges
protected final Map<GeoPolygonFactory.Edge,GeoPolygonFactory.Edge>	nextEdges	Map to next edge
protected GeoPolygonFactory.Edge	oneEdge	Starting edge
protected final Map<GeoPolygonFactory.Edge,GeoPolygonFactory.Edge>	previousEdges	Map to previous edge

Constructor Summary

Constructors

Constructor	Description
EdgeBuffer(List<GeoPoint> pointList, BitSet internalEdges, int startPlaneStartIndex, int startPlaneEndIndex, SidedPlane startPlane)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear all edges.
GeoPolygonFactory.Edge	getNext(GeoPolygonFactory.Edge currentEdge)	Get the next edge.
GeoPolygonFactory.Edge	getPrevious(GeoPolygonFactory.Edge currentEdge)	Get the previous edge.
Iterator<GeoPolygonFactory.Edge>	iterator()	Get an iterator to iterate over edges.
GeoPolygonFactory.Edge	pickOne()	Return a first edge.
void	replace(List<GeoPolygonFactory.Edge> removeList, GeoPolygonFactory.Edge newEdge)	Replace a list of edges with a new edge.
int	size()	Get the size of the edge buffer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

oneEdge

protected GeoPolygonFactory.Edge oneEdge

Starting edge

edges

protected final Set<GeoPolygonFactory.Edge> edges

Full set of edges

previousEdges

protected final Map<GeoPolygonFactory.Edge,GeoPolygonFactory.Edge> previousEdges

Map to previous edge

nextEdges

protected final Map<GeoPolygonFactory.Edge,GeoPolygonFactory.Edge> nextEdges

Map to next edge

Constructor Details

EdgeBuffer

public EdgeBuffer(List<GeoPoint> pointList,
 BitSet internalEdges,
 int startPlaneStartIndex,
 int startPlaneEndIndex,
 SidedPlane startPlane)

Constructor.

Parameters:

pointList - is the list of points.

internalEdges - is the list of edges that are internal (includes return edge)

startPlaneStartIndex - is the index of the startPlane's starting point

startPlaneEndIndex - is the index of the startPlane's ending point

startPlane - is the starting plane

Method Details

getPrevious

public GeoPolygonFactory.Edge getPrevious(GeoPolygonFactory.Edge currentEdge)

Get the previous edge.

Parameters:

currentEdge - is the current edge.

Returns:

the previous edge, if found.

getNext

public GeoPolygonFactory.Edge getNext(GeoPolygonFactory.Edge currentEdge)

Get the next edge.

Parameters:

currentEdge - is the current edge.

Returns:

the next edge, if found.

replace

public void replace(List<GeoPolygonFactory.Edge> removeList,
 GeoPolygonFactory.Edge newEdge)

Replace a list of edges with a new edge.

Parameters:

removeList - is the list of edges to remove.

newEdge - is the edge to add.

clear

public void clear()

Clear all edges.

size

public int size()

Get the size of the edge buffer.

Returns:

the size.

iterator

public Iterator<GeoPolygonFactory.Edge> iterator()

Get an iterator to iterate over edges.

Returns:

the iterator.

pickOne

public GeoPolygonFactory.Edge pickOne()

Return a first edge.

Returns:

the edge.