bundles/org.simantics.modeling/src/org/simantics/modeling/Rename.java

   1 package org.simantics.modeling;
   2
   3 import org.simantics.db.Resource;
   4 import org.simantics.db.WriteGraph;
   5 import org.simantics.db.common.CommentMetadata;
   6 import org.simantics.db.common.utils.NameUtils;
   7 import org.simantics.db.exception.DatabaseException;
   8 import org.simantics.db.layer0.adapter.impl.EntityNameModifier;
   9 import org.simantics.db.layer0.adapter.impl.EntityStringModifierFactory;
  10 import org.simantics.layer0.Layer0;
  11
  12 public class Rename {
  13
  14     public static String renameNode (WriteGraph graph, Resource node, String newName) throws DatabaseException {
  15
  16         Layer0 L0 = Layer0.getInstance(graph);
  17         Resource previousName = graph.getPossibleObject(node, L0.HasName);
  18         String nodeName = NameUtils.getSafeName(graph, node);
  19         EntityStringModifierFactory factory = new EntityStringModifierFactory(node);
  20         EntityNameModifier modifier = (EntityNameModifier) factory.createModifier(graph, L0.HasName, previousName);
  21
  22         String error = modifier.isValid(newName);
  23         if (error != null) {
  24                 return error;
  25         }
  26
  27         modifier.modify(graph, newName);
  28
  29         CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
  30         graph.addMetadata(cm.add("Renamed node " + nodeName + ", resource  " + node +  ", to " + newName));
  31
  32                 return "Succesfully renamed "+ nodeName + " to " + newName;
  33     }
  34
  35 }