1 /* 2 * Copyright 2004 Ronald Blaschke. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.rblasch.convert.graph; 17 18 import java.util.Set; 19 20 public interface Graph { 21 Set /* of Vertex */ getVertices(); 22 23 Set /* of Edge */ getEdges(); 24 25 /*** 26 * Get the set of vertices that can be reached from the given vertex. 27 */ 28 Set /* of Vertex */ getOutbound(Vertex vertex); 29 30 /*** 31 * Get the list of vertices that lead to the given vertex. 32 */ 33 Set /* of Vertex */ getInbound(Vertex vertex); 34 35 /*** 36 * Ener a new vertex in the graph. 37 * 38 * @param v vertex 39 */ 40 void addVertex(Vertex v); 41 42 /*** 43 * Enter a new segment in the graph. 44 */ 45 void addConnection(Vertex start, Edge edge, Vertex end); 46 47 Set/*<Connection>*/ getAllConnections(); 48 49 Set /* of Connection */ getConnections(Vertex start, Vertex end); 50 }