bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/RecordObjectArrayBinding.java

   1 package org.simantics.databoard.binding.factory;
   2
   3 import org.simantics.databoard.binding.Binding;
   4 import org.simantics.databoard.binding.RecordBinding;
   5 import org.simantics.databoard.binding.error.BindingException;
   6 import org.simantics.databoard.type.RecordType;
   7
   8 /**
   9  * Binds RecordType to Object[]
  10  *
  11  * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
  12  */
  13 class RecordObjectArrayBinding extends RecordBinding {
  14
  15         public RecordObjectArrayBinding(RecordType type, Binding[] componentBindings)
  16         {
  17                 this.componentBindings = componentBindings;
  18         if (type==null) throw new IllegalArgumentException("null arg");
  19                 this.type = type;
  20         }
  21
  22         @Override
  23         public Object create(Object... value) {
  24                 return value;
  25         }
  26
  27         @Override
  28         public Object createPartial() {
  29                 return new Object[getComponentCount()];
  30         }
  31
  32         @Override
  33         public Object getComponent(Object obj, int index) {
  34                 return ((Object[])obj)[index];
  35         }
  36
  37         @Override
  38         public void setComponents(Object obj, Object... value) throws BindingException {
  39                 System.arraycopy(value, 0, obj, 0, value.length);
  40         }
  41
  42         @Override
  43         public void setComponent(Object obj, int index, Object value)
  44                         throws BindingException {
  45                 Object[] array = (Object[]) obj;
  46                 array[index] = value;
  47         }
  48
  49         @Override
  50         public boolean isInstance(Object obj) {
  51                 return (obj instanceof Object[]) && (((Object[])obj).length == componentBindings.length);
  52         }
  53
  54 }