bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/RouteLink.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.diagram.connection;
  13
  14 import gnu.trove.map.hash.THashMap;
  15
  16 import java.io.Serializable;
  17
  18 public class RouteLink extends RoutePoint implements Serializable {
  19
  20     private static final long serialVersionUID = 1446230300676765986L;
  21
  22     RouteLine a;
  23     RouteLine b;
  24
  25     /**
  26      * Default constructor for copy-method
  27      */
  28     private RouteLink() {
  29     }
  30
  31     public RouteLink(RouteLine a, RouteLine b) {
  32         this.a = a;
  33         this.b = b;
  34         a.addPoint(this);
  35         b.addPoint(this);
  36     }
  37
  38     void removeFromOther(RouteLine other) {
  39         if(a == other)
  40             b.points.remove(this);
  41         else
  42             a.points.remove(this);
  43     }
  44
  45     public RouteLine getA() {
  46         return a;
  47     }
  48
  49     public RouteLine getB() {
  50         return b;
  51     }
  52
  53     public void setA(RouteLine rl) {
  54         this.a = rl;
  55         rl.addPoint(this);
  56         if(b.isTransient())
  57             b.terminal.line = rl;
  58     }
  59
  60     public void setB(RouteLine rl) {
  61         this.b = rl;
  62         rl.addPoint(this);
  63         if(a.isTransient())
  64             a.terminal.line = rl;
  65     }
  66
  67     public RouteLine getOther(RouteLine line) {
  68         if(a == line)
  69             return b;
  70         else
  71             return a;
  72     }
  73
  74     public void replace(RouteLine rl1, RouteLine rl2) {
  75         if(a == rl1)
  76             setA(rl2);
  77         else if(b == rl1)
  78             setB(rl2);
  79     }
  80
  81         @Override
  82         RouteLink copy(THashMap<Object, Object> map) {
  83                 RouteLink copy = (RouteLink)map.get(this);
  84                 if(copy == null) {
  85                         copy = new RouteLink();
  86                         map.put(this, copy);
  87                         copy.a = a.copy(map);
  88                         copy.b = b.copy(map);
  89                         copy.x = x;
  90                         copy.y = y;
  91                 }
  92                 return copy;
  93         }
  94
  95 }