bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/VariableWriteWithComment.java

   1 package org.simantics.db.layer0.variable;
   2
   3 import org.simantics.databoard.binding.Binding;
   4 import org.simantics.db.WriteGraph;
   5 import org.simantics.db.common.CommentMetadata;
   6 import org.simantics.db.common.request.WriteRequest;
   7 import org.simantics.db.exception.DatabaseException;
   8 import org.simantics.db.layer0.variable.Variable;
   9
  10 public class VariableWriteWithComment extends WriteRequest {
  11
  12     private Variable variable;
  13     private Object   value;
  14     private Binding  binding;
  15     private String   comment;
  16
  17     public VariableWriteWithComment(Variable variable, Object value, Binding binding, String comment) {
  18         this.variable = variable;
  19         this.value = value;
  20         this.binding = binding;
  21         this.comment = comment;
  22     }
  23
  24     @Override
  25     public void perform(WriteGraph graph) throws DatabaseException {
  26         variable.setValue(graph, value, binding);
  27         if (comment != null) {
  28             CommentMetadata m = graph.getMetadata(CommentMetadata.class);
  29             graph.addMetadata(m.add(comment));
  30         }
  31     }
  32
  33 }