bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/ComposedTGValueModifier.java

   1 package org.simantics.db.layer0.util;
   2
   3 import org.simantics.databoard.binding.Binding;
   4 import org.simantics.databoard.type.Datatype;
   5 import org.simantics.db.exception.DatabaseException;
   6
   7 public class ComposedTGValueModifier implements TGValueModifier {
   8
   9         final TGValueModifier[] modifiers;
  10
  11         public ComposedTGValueModifier(TGValueModifier[] modifiers) {
  12                 this.modifiers = modifiers;
  13         }
  14
  15         @Override
  16         public boolean mayNeedModification(Datatype type) throws DatabaseException {
  17                 for(TGValueModifier mod : modifiers)
  18                         if(mod.mayNeedModification(type))
  19                                 return true;
  20                 return false;
  21         }
  22
  23         @Override
  24         public Object modify(final DomainProcessorState state, Binding binding, Object value) throws DatabaseException {
  25
  26                 Datatype type = binding.type();
  27
  28                 for(TGValueModifier mod : modifiers)
  29                         if(mod.mayNeedModification(type))
  30                                 value = mod.modify(state, binding, value);
  31
  32                 return value;
  33
  34         }
  35
  36 }