gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 package org.simantics.sysdyn.ui.properties.widgets.factories;\r
   2 \r
   3 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactoryImpl;\r
   4 import org.simantics.db.ReadGraph;\r
   5 import org.simantics.db.Resource;\r
   6 import org.simantics.db.exception.DatabaseException;\r
   7 import org.simantics.utils.datastructures.Triple;\r
   8 \r
   9 public class DoublePropertyFactory extends ReadFactoryImpl<Resource, String> {\r
  10 \r
  11     final private String propertyURI;\r
  12     \r
  13     public DoublePropertyFactory(String propertyURI) {\r
  14         this.propertyURI = propertyURI;\r
  15     }\r
  16 \r
  17     @Override\r
  18     public Object getIdentity(Object inputContents) {\r
  19         return new Triple<Resource, String, Object>((Resource)inputContents, propertyURI, getClass());\r
  20     }\r
  21     \r
  22     @Override\r
  23     public String perform(ReadGraph graph, Resource issue) throws DatabaseException {\r
  24         \r
  25         Double value = graph.getPossibleRelatedValue(issue, graph.getResource(propertyURI));\r
  26         if (value != null)\r
  27             return value.toString();\r
  28         else\r
  29             return "";\r
  30     }\r
  31     \r
  32 }\r