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

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