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LUCENE-7941: Broaden the contract for intersects() method, and implement the broadened contract in GeoDegeneratePoint.

This commit is contained in:
Karl Wright 2017-08-26 05:06:54 -04:00
parent 287ab9dc40
commit 2b8cea09bb
2 changed files with 7 additions and 5 deletions
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7
lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoAreaShape.java
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@ -27,9 +27,10 @@ package org.apache.lucene.spatial3d.geom;
public interface GeoAreaShape extends GeoMembershipShape, GeoArea{
/**
* Assess whether a shape intersects with any of the edges this shape.
* Note well that this method return false if the shape contains, is within
* or is disjoint with the given shape.
* Assess whether a shape intersects with any of the edges of this shape.
* Note well that this method must return false if the shape contains or is disjoint
* with the given shape. It is permissible to return true if the shape is within the
* specified shape, if it is difficult to compute intersection with edges.
*
* @param geoShape is the shape to assess for intersection with this shape's edges.
*

5
lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoDegeneratePoint.java
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@ -86,9 +86,10 @@ class GeoDegeneratePoint extends GeoPoint implements GeoBBox, GeoCircle {
@Override
public boolean intersects(GeoShape geoShape) {
return false;
// We have no way of computing this properly, so return isWithin(), as we are allowed by contract.
return geoShape.isWithin(this);
}
@Override
public void getBounds(Bounds bounds) {
bounds.addPoint(this);