org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/internal/tmf/core/synchronization/graph/Edge.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 École Polytechnique de Montréal
   3  *
   4  * All rights reserved. This program and the accompanying materials are made
   5  * available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Francis Giraldeau - Initial implementation and API
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.internal.tmf.core.synchronization.graph;
  14
  15 /**
  16  * An edge in the {@link SyncGraph}
  17  *
  18  * @author Francis Giraldeau <francis.giraldeau@gmail.com>
  19  * @param <V>
  20  *            The vertices type
  21  * @param <E>
  22  *            The edge annotation type
  23  */
  24 public class Edge<V, E> {
  25
  26     private final V fFrom;
  27     private final V fTo;
  28     private final E fLabel;
  29
  30     /**
  31      * An edge constructor
  32      *
  33      * @param from
  34      *            The origin vertex
  35      * @param to
  36      *            The destination vertex
  37      * @param label
  38      *            The edge annotation label
  39      */
  40     public Edge(V from, V to, E label) {
  41         fFrom = from;
  42         fTo = to;
  43         fLabel = label;
  44     }
  45
  46     /**
  47      * Get the vertex from
  48      *
  49      * @return The origin vertex
  50      */
  51     public V getFrom() {
  52         return fFrom;
  53     }
  54
  55     /**
  56      * Get the vertex to
  57      *
  58      * @return The destination vertex
  59      */
  60     public V getTo() {
  61         return fTo;
  62     }
  63
  64     /**
  65      * Get the edge label
  66      *
  67      * @return The edge label
  68      */
  69     public E getLabel() {
  70         return fLabel;
  71     }
  72
  73     @Override
  74     public String toString() {
  75         return String.format("(%s, %s, %s)", fFrom, fTo, fLabel); //$NON-NLS-1$
  76     }
  77 }