bundles/org.simantics.event/src/org/simantics/event/util/EventUtils.java

   1 package org.simantics.event.util;\r
   2 \r
   3 import java.util.UUID;\r
   4 \r
   5 import org.simantics.databoard.Bindings;\r
   6 import org.simantics.db.Resource;\r
   7 import org.simantics.db.WriteGraph;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.event.ontology.EventResource;\r
  10 import org.simantics.layer0.Layer0;\r
  11 \r
  12 public class EventUtils {\r
  13 \r
  14         public static final int MAX_EVENTS = 1000;\r
  15         public static final int SLICE_SIZE = 64;\r
  16         public static final int KEEPS_SLICES = (MAX_EVENTS / SLICE_SIZE) + 2;\r
  17         public static final String MAX_SLICE_NAME = "" + (SLICE_SIZE-1);\r
  18 \r
  19         public static Resource createLog(WriteGraph graph) throws DatabaseException {\r
  20                 Layer0 L0 = Layer0.getInstance(graph);\r
  21                 EventResource EVENT = EventResource.getInstance(graph);\r
  22         Resource log = graph.newResource();\r
  23         graph.claim(log, L0.InstanceOf, null, EVENT.EventLog);\r
  24         graph.claimLiteral(log, L0.HasName, UUID.randomUUID().toString(), Bindings.STRING);\r
  25         graph.claimLiteral(log, EVENT.HasModificationCounter, 0, Bindings.INTEGER);\r
  26         return log;\r
  27         }\r
  28         \r
  29 }\r