bundles/org.simantics.databoard/src/org/simantics/databoard/binding/reflection/ClassBinding.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.binding.reflection;
  13
  14 import org.simantics.databoard.binding.RecordBinding;
  15 import org.simantics.databoard.binding.error.BindingConstructionException;
  16
  17 /**
  18  * RecordBinding that represents a class
  19  */
  20 public abstract class ClassBinding extends RecordBinding {
  21
  22         public final ClassInfo ci;
  23
  24         /**
  25          * Create binding for a class.
  26          *
  27          * @param ci
  28          * @throws BindingConstructionException
  29          */
  30         public ClassBinding(ClassInfo ci)
  31         {
  32                 this.ci = ci;
  33         }
  34
  35         /**
  36          * Create binding for a class.
  37          *
  38          * @param clazz
  39          * @throws BindingConstructionException
  40          */
  41         public ClassBinding(Class<?> clazz) throws BindingConstructionException
  42         {
  43                 this( ClassInfo.getInfo(clazz) );
  44         }
  45
  46         public Class<?> getClazz()
  47         {
  48                 return ci.clazz;
  49         }
  50
  51         @Override
  52         protected boolean baseEquals(Object obj) {
  53                 return super.baseEquals(obj) && ((ClassBinding)obj).ci.equals(ci);
  54         }
  55
  56         @Override
  57         public int baseHashCode() {
  58                 return super.baseHashCode() + 17 * ci.hashCode();
  59         }
  60 }