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.db.management.ISessionContext;\r
   8 import org.simantics.utils.datastructures.Triple;\r
   9 \r
  10 public class DoublePropertyFactory extends ReadFactoryImpl<Resource, String> {\r
  11 \r
  12     final private String propertyURI;\r
  13     \r
  14     public DoublePropertyFactory(ISessionContext context, String propertyURI) {\r
  15         super(context);\r
  16         this.propertyURI = propertyURI;\r
  17     }\r
  18 \r
  19     @Override\r
  20     public Object getIdentity(Object inputContents) {\r
  21         return new Triple<Resource, String, Object>((Resource)inputContents, propertyURI, getClass());\r
  22     }\r
  23     \r
  24     @Override\r
  25     public String perform(ReadGraph graph, Resource issue) throws DatabaseException {\r
  26         \r
  27         Double value = graph.getPossibleRelatedValue(issue, graph.getResource(propertyURI));\r
  28         if (value != null)\r
  29             return value.toString();\r
  30         else\r
  31             return "";\r
  32     }\r
  33     \r
  34 }\r