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The OpenTripPlanner multimodal journey planning system
/* This file is based on code copied from project OpenSphere, see the LICENSE file for further information. */
package org.opensphere.geometry.triangulation.model;
import java.util.ArrayList;
import java.util.List;
import org.locationtech.jts.geom.LineSegment;
/**
* Edge.
*
* @author Eric Grosso
*
*/
public class Edge {
/** ID of the edge */
private int id;
/** Geometry of the edge */
private LineSegment geometry;
/** Indicator to know if the edge is a border edge
* of the triangulation framework */
private boolean border;
/** Origin vertex of the edge */
private Vertex oV;
/** End vertex of the edge */
private Vertex eV;
/** Triangles in relationship with this edge */
private List triangles = new ArrayList();
/** Edges in relationship with this edge */
private List incidentEdges = new ArrayList();
/**
* Default constructor.
*/
public Edge() {
//
}
/**
* Constructor.
*
* @param id
* ID of the edge
*/
public Edge(int id) {
this.id = id;
}
/**
* Constructor.
*
* @param id
* ID of the edge
* @param geometry
* geometry of the edge (segment)
*/
public Edge(int id, LineSegment geometry) {
this.id = id;
this.geometry = geometry;
}
/**
* Constructor.
*
* @param id
* ID of the edge
* @param border
* defines if the edge is a border edge
* or not in the triangulation framework
*/
public Edge(int id, boolean border) {
this.id = id;
this.border = border;
}
/**
* Constructor.
*
* @param id
* ID of the edge
* @param geometry
* geometry of the edge (segment)
* @param border
* defines if the edge is a border edge
* or not in the triangulation framework
*/
public Edge(int id, LineSegment geometry, boolean border) {
this.id = id;
this.geometry = geometry;
this.border = border;
}
/**
* Constructor.
*
* @param id
* ID of the edge
* @param geometry
* geometry of the edge (segment)
* @param oV
* origin vertex
* @param eV
* end vertex
* @param border
* defines if the edge is a border edge
* or not in the triangulation framework
*/
public Edge(int id, LineSegment geometry, Vertex oV, Vertex eV, boolean border) {
this.id = id;
this.geometry = geometry;
this.oV = oV;
this.eV = eV;
this.border = border;
}
/**
* Returns the ID of the edge.
*
* @return
* the ID of the edge
*/
public int getId() {
return this.id;
}
/**
* Defines the ID of the edge.
*
* @param id
* ID of the edge
*/
public void setId(int id) {
this.id = id;
}
/**
* Returns the geometry of the edge.
*
* @return
* the geometry of the edge
*/
public LineSegment getGeometry() {
return this.geometry;
}
/**
* Defines the geometry of the edge.
*
* @param geometry
* geometry of the edge (segment)
*/
public void setGeometry(LineSegment geometry) {
this.geometry = geometry;
}
/**
* Returns true if the edge is a border edge
* of the triangulation framework, false otherwise.
*
* @return
* true if the edge is a border edge,
* false otherwise
*/
public boolean isBorder() {
return this.border;
}
/**
* Defines the indicator to know if the edge
* is a border edge of the triangulation framework.
*
* @param border
* true if the edge is a border edge,
* false otherwise
*/
public void setBorder(boolean border) {
this.border = border;
}
/**
* Returns the origin vertex of the edge.
*
* @return
* the origin vertex of the edge
*/
public Vertex getOV() {
return this.oV;
}
/**
* Defines the origin vertex of the edge.
*
* @param oV
* origin vertex of the edge
*/
public void setOV(Vertex oV) {
this.oV = oV;
}
/**
* Returns the end vertex of the edge.
*
* @return
* the end vertex of the edge
*/
public Vertex getEV() {
return this.eV;
}
/**
* Defines the end vertex of the edge.
*
* @param eV
* end vertex of the edge
*/
public void setEV(Vertex eV) {
this.eV = eV;
}
/**
* Returns the triangles in relationship with the edge.
*
* @return
* the triangles in relationship with the edge
*/
public List getTriangles() {
return this.triangles;
}
/**
* Defines the triangles in relationship with the edge.
*
* @param triangles
* the triangles in relationship with the edge
*/
public void setTriangles(List triangles) {
this.triangles = triangles;
}
/**
* Returns the edges in relationship with the edge.
*
* @return
* the edges in relationship with the edge
*/
public List getIncidentEdges() {
return this.incidentEdges;
}
/**
* Defines the edges in relationship with the edge.
*
* @param edges
* the edges in relationship with the edge
*/
public void setIncidentEdges(List edges) {
this.incidentEdges = edges;
}
/**
* Add a triangle in relationship with the edge.
*
* @return
* true if added, false otherwise
*/
public boolean addTriangle(Triangle triangle) {
return getTriangles().add(triangle);
}
/**
* Add triangles in relationship with the edge.
*
* @return
* true if added, false otherwise
*/
public boolean addTriangles(List triangles) {
return getTriangles().addAll(triangles);
}
/**
* Remove a triangle in relationship with the edge.
*
* @return
* true if removed, false otherwise
*/
public boolean removeTriangle(Triangle triangle) {
return getTriangles().remove(triangle);
}
/**
* Remove triangles in relationship with the edge.
*
* @return
* true if removed, false otherwise
*/
public boolean removeTriangles(List triangles) {
return getTriangles().removeAll(triangles);
}
/**
* Add an incident edge in relationship with the edge.
*
* @return
* true if added, false otherwise
*/
public boolean addIncidentEdge(Edge edge) {
return getIncidentEdges().add(edge);
}
/**
* Add incident edges in relationship with the edge.
*
* @return
* true if added, false otherwise
*/
public boolean addIncidentEdges(List edges) {
return getIncidentEdges().addAll(edges);
}
/**
* Remove an incident edge in relationship with the edge.
*
* @return
* true if removed, false otherwise
*/
public boolean removeIncidentEdge(Edge edge) {
return getIncidentEdges().remove(edge);
}
/**
* Remove incident edges in relationship with the edge.
*
* @return
* true if removed, false otherwise
*/
public boolean removeAllIncidentEdges(List edges) {
return getIncidentEdges().removeAll(edges);
}
}