bundles/org.simantics.document.server/src/org/simantics/document/server/DocumentValue.java

   1 package org.simantics.document.server;
   2
   3 import org.simantics.db.ReadGraph;
   4 import org.simantics.db.exception.DatabaseException;
   5 import org.simantics.db.layer0.request.VariableRead;
   6 import org.simantics.db.layer0.variable.Variable;
   7 import org.simantics.document.server.request.DocumentRequest;
   8
   9 public class DocumentValue extends VariableRead<Object> {
  10
  11         public DocumentValue(Variable variable) {
  12                 super(variable);
  13         }
  14
  15         @Override
  16         public Object perform(ReadGraph graph) throws DatabaseException {
  17                 if(DocumentRequest.PROFILE) return performProfiled(graph);
  18                 return variable.getValue(graph);
  19         }
  20
  21         public Object performProfiled(ReadGraph graph) throws DatabaseException {
  22                 long start = System.nanoTime();
  23                 Object result = variable.getValue(graph);
  24                 //System.err.println("DocumentValue " + result + " " + variable.getURI(graph));
  25         long dura = System.nanoTime()-start;
  26         if(dura > DocumentRequest.PROFILE_THRESHOLD_VALUEREQUEST * 1e3) {
  27                 System.err.println("DocumentValue " + System.identityHashCode(this) + " in " + 1e-6*dura + "ms. "+ variable.getURI(graph));
  28         }
  29                 return result;
  30         }
  31
  32         @Override
  33         public String toString() {
  34                 return "DocumentValue[" + variable + "]";
  35         }
  36
  37 }