bundles/org.simantics.datatypes/src/org/simantics/datatypes/utils/PossibleResource.java

   1 package org.simantics.datatypes.utils;\r
   2 \r
   3 import org.simantics.databoard.annotations.Optional;\r
   4 import org.simantics.db.Resource;\r
   5 import org.simantics.db.exception.DatabaseException;\r
   6 import org.simantics.db.service.SerialisationSupport;\r
   7 \r
   8 final class PossibleResource {\r
   9         \r
  10         @Optional\r
  11         public Resource r;\r
  12         \r
  13         public long longValue() {\r
  14                 if(r == null) return 0L;\r
  15                 return r.getResourceId();\r
  16         }\r
  17 \r
  18         public static PossibleResource read(SerialisationSupport ss, long l) throws DatabaseException {\r
  19                 PossibleResource pr = new PossibleResource();\r
  20                 if(l != 0) pr.r = ss.getResource(l); \r
  21                 return pr;\r
  22         }\r
  23         \r
  24 }