bundles/org.simantics.databoard/src/org/simantics/databoard/binding/impl/LongBindingDefault.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.impl;
  13
  14 import org.simantics.databoard.binding.LongBinding;
  15 import org.simantics.databoard.binding.error.BindingException;
  16 import org.simantics.databoard.binding.error.UnsupportedOperationException;
  17 import org.simantics.databoard.type.LongType;
  18
  19 public class LongBindingDefault extends LongBinding {
  20
  21         public LongBindingDefault(LongType type) {
  22                 super(type);
  23         }
  24
  25         public Object create(long value) {
  26                 return Long.valueOf(value);
  27         }
  28
  29         public Object create(Long value) {
  30                 return Long.valueOf(value);
  31         }
  32
  33         @Override
  34         public Object create(Number value)
  35         {
  36                 if (value.getClass()==Long.class) return value;
  37                 return Long.valueOf( value.longValue() );
  38         }
  39
  40         @Override
  41         public Object create(String value) throws BindingException {
  42                 try {
  43                         return Long.parseLong(value);
  44                 } catch (java.lang.NumberFormatException e) {
  45                         throw new BindingException( e );
  46                 }
  47         }
  48
  49         public Long getValue(Object o)
  50         throws BindingException {
  51                 if (o.getClass()!=Long.class)
  52                         throw new BindingException("Unexpected class "+o.getClass().getSimpleName()+", Long expected");
  53                 return ((Long)o);
  54         }
  55
  56         public long getValue_(Object o)
  57         throws BindingException
  58         {
  59                 if (o.getClass()!=Long.class)
  60                         throw new BindingException("Unexpected class "+o.getClass().getSimpleName()+", Long expected");
  61                 return ((Long)o);
  62         }
  63
  64         @Override
  65         public void setValue(Object obj, Number value) throws BindingException {
  66                 throw new UnsupportedOperationException("Cannot change the value of immutable java.lang.Long");
  67         }
  68
  69         public void setValue(Object obj, long value) throws BindingException {
  70                 throw new UnsupportedOperationException("Cannot change the value of immutable java.lang.Long");
  71         }
  72
  73     @Override
  74         public boolean isInstance(Object obj) {
  75                 return obj instanceof Long;
  76         }
  77
  78     @Override
  79     public boolean isImmutable() {
  80         return true;
  81     }
  82
  83     @Override
  84     public int compare(Object o1, Object o2)
  85     {
  86         long i1 = (Long) o1;
  87         long i2 = (Long) o2;
  88         return (i1<i2 ? -1 : (i1==i2 ? 0 : 1));
  89     }
  90
  91 }
  92