LightJason - AgentSpeak(L++)
CShortestPath.java
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1 /*
2  * @cond LICENSE
3  * ######################################################################################
4  * # LGPL License #
5  * # #
6  * # This file is part of the LightJason AgentSpeak(L++) #
7  * # Copyright (c) 2015-19, LightJason (info@lightjason.org) #
8  * # This program is free software: you can redistribute it and/or modify #
9  * # it under the terms of the GNU Lesser General Public License as #
10  * # published by the Free Software Foundation, either version 3 of the #
11  * # License, or (at your option) any later version. #
12  * # #
13  * # This program is distributed in the hope that it will be useful, #
14  * # but WITHOUT ANY WARRANTY; without even the implied warranty of #
15  * # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
16  * # GNU Lesser General Public License for more details. #
17  * # #
18  * # You should have received a copy of the GNU Lesser General Public License #
19  * # along with this program. If not, see http://www.gnu.org/licenses/ #
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22  */
23 
24 package org.lightjason.agentspeak.action.builtin.graph;
25 
26 import com.google.common.base.Function;
27 import edu.uci.ics.jung.algorithms.shortestpath.DijkstraShortestPath;
28 import edu.uci.ics.jung.graph.Graph;
30 
31 import javax.annotation.Nonnull;
32 import java.util.List;
33 
34 
50 public final class CShortestPath extends IApplyPathAlgorithm
51 {
55  private static final long serialVersionUID = 4312684868579937853L;
56 
57  @Override
58  protected final Object apply( @Nonnull final List<ITerm> p_vertices, @Nonnull final Graph<Object, Object> p_graph,
59  @Nonnull final Function<Object, Number> p_weightfunction )
60  {
61  return new DijkstraShortestPath<>( p_graph, p_weightfunction )
62  .getPath( p_vertices.get( 0 ).raw(), p_vertices.get( 1 ).raw() );
63  }
64 
65 }
abstract class to define path / distance graph algorithms
final Object apply( @Nonnull final List< ITerm > p_vertices, @Nonnull final Graph< Object, Object > p_graph, @Nonnull final Function< Object, Number > p_weightfunction)
calculates the edge list of the shortest path of two vertices within each graph instance.