| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | * Copyright (c) 2003, the JUNG Project and the Regents of the University | |
| 3 | * of California | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * This software is open-source under the BSD license; see either | |
| 7 | * "license.txt" or | |
| 8 | * http://jung.sourceforge.net/license.txt for a description. | |
| 9 | */ | |
| 10 | package edu.uci.ics.jung.graph.impl; | |
| 11 | ||
| 12 | import java.util.Collection; | |
| 13 | ||
| 14 | import edu.uci.ics.jung.graph.DirectedGraph; | |
| 15 | ||
| 16 | /** | |
| 17 | * An implementation of <code>Graph</code> that consists of a | |
| 18 | * <code>Vertex</code> set and a <code>DirectedEdge</code> set. | |
| 19 | * This implementation does NOT ALLOW parallel edges. | |
| 20 | * <code>SimpleDirectedSparseVertex</code> is the most efficient | |
| 21 | * vertex for this graph type. | |
| 22 | * | |
| 23 | * <p>Edge constraints imposed by this class: DIRECTED_EDGE, NOT_PARALLEL_EDGE | |
| 24 | * | |
| 25 | * <p>For additional system and user constraints defined for | |
| 26 | * this class, see the superclasses of this class.</p> | |
| 27 | * | |
| 28 | * @author Scott D. White | |
| 29 | * @author Danyel Fisher | |
| 30 | * @author Joshua O'Madadhain | |
| 31 | * | |
| 32 | * @see DirectedSparseVertex | |
| 33 | * @see DirectedSparseEdge | |
| 34 | */ | |
| 35 | public class DirectedSparseGraph extends SparseGraph | |
| 36 | implements DirectedGraph { | |
| 37 | ||
| 38 | /** | |
| 39 | * Creates an instance of a sparse directed graph. | |
| 40 | */ | |
| 41 | public DirectedSparseGraph() { | |
| 42 | 206 | super(); |
| 43 | // system_edge_requirements.add(DIRECTED_EDGE); | |
| 44 | // user_edge_requirements.add(NOT_PARALLEL_EDGE); | |
| 45 | 206 | Collection edge_predicates = |
| 46 | getEdgeConstraints(); | |
| 47 | 206 | edge_predicates.add(DIRECTED_EDGE); |
| 48 | 206 | edge_predicates.add(NOT_PARALLEL_EDGE); |
| 49 | 206 | } |
| 50 | } |
|
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