bundles/org.simantics.databoard/src/org/simantics/databoard/accessor/reference/ComponentReference.java

   1 /*******************************************************************************
   2  *  Copyright (c) 2010 Association for Decentralized Information Management in
   3  *  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.databoard.accessor.reference;
  13
  14
  15 /**
  16  * Component "value"
  17  *
  18  * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
  19  */
  20 public class ComponentReference extends ChildReference {
  21
  22         public ComponentReference() {
  23         }
  24
  25         public ComponentReference(ChildReference child) {
  26                 super(child);
  27         }
  28
  29         @Override
  30         public String toString(boolean labelReference) {
  31                 return "v";
  32         }
  33
  34         @Override
  35         public ChildReference clone() {
  36                 return new ComponentReference(childReference==null ? null : childReference.clone());
  37         }
  38
  39         @Override
  40         public boolean equals(Object obj) {
  41                 if (obj instanceof ComponentReference == false) return false;
  42                 ComponentReference other = (ComponentReference) obj;
  43                 if (other.hasChildReference() != hasChildReference()) return false;
  44                 if (hasChildReference() && !other.childReference.equals(childReference)) return false;
  45                 return true;
  46         }
  47
  48         @Override
  49         public int hashCode() {
  50                 int hash = -8882;
  51                 if (hasChildReference()) hash = 31*hash + childReference.hashCode();
  52                 return hash;
  53         }
  54 }
  55