bundles/org.simantics.databoard/src/org/simantics/databoard/accessor/reference/NameReference.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 import org.simantics.databoard.util.URIUtil;
  15
  16
  17 /**
  18  * Reference by name to a record field.
  19  * Format: "n-<name>"
  20  *
  21  * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
  22  */
  23 public class NameReference extends ChildReference {
  24
  25         public String name;
  26
  27         public NameReference(String name) {
  28                 this.name = name;
  29         }
  30
  31         public NameReference(String name, ChildReference child) {
  32                 super(child);
  33                 this.name = name;
  34         }
  35
  36         public String getName() {
  37                 return name;
  38         }
  39
  40         @Override
  41         public String toString(boolean labelReference) {
  42                 if (labelReference && (name.equals("uv") || name.equals("o") || name.equals("v"))) labelReference = false;
  43                 String encoded = URIUtil.encodeURI(name);
  44                 return labelReference ? encoded : "n-"+encoded;
  45         }
  46
  47         @Override
  48         public ChildReference clone() {
  49                 return new NameReference(name, childReference==null ? null : childReference.clone());
  50         }
  51
  52         @Override
  53         public boolean equals(Object obj) {
  54                 if (obj instanceof NameReference == false) return false;
  55                 NameReference other = (NameReference) obj;
  56                 if (!other.name.equals(name)) return false;
  57                 if (other.hasChildReference() != hasChildReference()) return false;
  58                 if (hasChildReference() && !other.childReference.equals(childReference)) return false;
  59                 return true;
  60         }
  61
  62         @Override
  63         public int hashCode() {
  64                 int hash = 4665456 + 37 * name.hashCode();
  65                 if (hasChildReference()) hash = 31*hash + childReference.hashCode();
  66                 return hash;
  67         }
  68
  69 }
  70