/*
* The JTS Topology Suite is a collection of Java classes that
* implement the fundamental operations required to validate a given
* geo-spatial data set to a known topological specification.
*
* Copyright (C) 2001 Vivid Solutions
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For more information, contact:
*
* Vivid Solutions
* Suite #1A
* 2328 Government Street
* Victoria BC V8T 5G5
* Canada
*
* (250)385-6040
* www.vividsolutions.com
*/
package com.revolsys.geometry.noding;
/**
* Processes possible intersections detected by a {@link Noder}.
* The {@link SegmentIntersector} is passed to a {@link Noder}.
* The {@link SegmentIntersector#processIntersections(SegmentString, int, SegmentString, int)} method is called whenever the {@link Noder}
* detects that two SegmentStrings <i>might</i> intersect.
* This class may be used either to find all intersections, or
* to detect the presence of an intersection. In the latter case,
* Noders may choose to short-circuit their computation by calling the
* {@link #isDone()} method.
* This class is an example of the <i>Strategy</i> pattern.
*
* @version 1.7
*/
public interface SegmentIntersector {
/**
* Reports whether the client of this class
* needs to continue testing all intersections in an arrangement.
*
* @return true if there is no need to continue testing segments
*/
boolean isDone();
/**
* This method is called by clients
* of the {@link SegmentIntersector} interface to process
* intersections for two segments of the {@link SegmentString}s being intersected.
*/
void processIntersections(SegmentString e0, int segIndex0, SegmentString e1, int segIndex1);
}