bundles/org.simantics.project/src/org/simantics/project/management/GraphBundleRef.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.project.management;
  13
  14 import java.util.regex.Matcher;
  15
  16 /**
  17  * Graph bundle reference in graph.
  18  *
  19  * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
  20  */
  21 public class GraphBundleRef {
  22
  23         public static GraphBundleRef of(String versionedId) {
  24                 Matcher m = GraphBundle.VERSIONED_ID_PATTERN.matcher(versionedId);
  25                 String id = m.group(1);
  26                 int major = Integer.valueOf( m.group(2) );
  27                 return new GraphBundleRef(id, major);
  28         }
  29
  30         public static GraphBundleRef of(GraphBundle bundle) {
  31                 return new GraphBundleRef(bundle.getId(), bundle.getMajor());
  32         }
  33
  34         public final String id;
  35         public final int major;
  36
  37         public GraphBundleRef(String id, int major) {
  38                 if (id==null) throw new IllegalArgumentException();
  39                 this.id = id;
  40                 this.major = major;
  41         }
  42
  43         @Override
  44         public int hashCode() {
  45                 return id.hashCode() + major;
  46         }
  47
  48         @Override
  49         public boolean equals(Object obj) {
  50                 if (obj instanceof GraphBundleRef == false) return false;
  51                 GraphBundleRef other = (GraphBundleRef) obj;
  52                 return other.id.equals(id) && other.major == major;
  53         }
  54
  55         @Override
  56         public String toString() {
  57                 return id+"/"+major;
  58         }
  59
  60 }
  61