+++ /dev/null
-/*--------------------------------------------------------------------------\r
- * Copyright 2004 Taro L. Saito\r
- *\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- *--------------------------------------------------------------------------*/\r
-//--------------------------------------\r
-// XerialJ\r
-//\r
-// Edge.java\r
-// Since: 2004/12/27\r
-//\r
-// $URL: http://www.xerial.org/svn/project/XerialJ/trunk/xerial-core/src/main/java/org/xerial/util/graph/Edge.java $ \r
-// $Author: leo $\r
-//--------------------------------------\r
-package org.xerial.util.graph;\r
-\r
-/**\r
- * Edge structure from source node ID to destination node ID\r
- * \r
- * @author leo\r
- * \r
- */\r
-public class Edge implements Comparable<Edge>\r
-{\r
- final int srcNodeID;\r
- final int destNodeID;\r
-\r
- /**\r
- * @param edge\r
- * @param src\r
- * @param dest\r
- */\r
- public Edge(int src, int dest)\r
- {\r
- this.srcNodeID = src;\r
- this.destNodeID = dest;\r
- }\r
-\r
- public int getDestNodeID()\r
- {\r
- return destNodeID;\r
- }\r
-\r
- public int getSourceNodeID()\r
- {\r
- return srcNodeID;\r
- }\r
-\r
- public boolean equals(Object o)\r
- {\r
- if (o instanceof Edge)\r
- {\r
- Edge e = (Edge) o;\r
- return (srcNodeID == e.getSourceNodeID()) && (destNodeID == e.getDestNodeID());\r
- }\r
- else\r
- return false;\r
- }\r
-\r
- @Override\r
- public int hashCode()\r
- {\r
- int hash = 31;\r
- hash += srcNodeID * 271;\r
- hash += destNodeID * 271;\r
- return hash % 1987;\r
- }\r
-\r
- public int compareTo(Edge o)\r
- {\r
- int diff = srcNodeID - o.getSourceNodeID();\r
- return (diff != 0) ? diff : destNodeID - o.getDestNodeID();\r
- }\r
-\r
- public String toString()\r
- {\r
- return String.format("(%d, %d)", srcNodeID, destNodeID);\r
- }\r
-}\r