bundles/org.simantics.document.server/src/org/simantics/document/server/request/NodeRequest.java

   1 package org.simantics.document.server.request;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5 import java.util.List;
   6 import java.util.Map;
   7
   8 import org.simantics.db.ReadGraph;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.db.layer0.request.VariableRead;
  11 import org.simantics.db.layer0.variable.Variable;
  12 import org.simantics.document.server.DocumentServerUtils.AttributesRequest;
  13 import org.simantics.document.server.JSONObject;
  14 import org.simantics.utils.datastructures.Pair;
  15
  16 public class NodeRequest extends VariableRead<JSONObject> {
  17
  18     public static final String ERRORS = "Errors";
  19     public static final String PROPERTY_VALUE_EXCEPTIONS = "_PropertyValueExceptions";
  20
  21     public NodeRequest(Variable node) {
  22         super(node);
  23     }
  24
  25     @SuppressWarnings("unchecked")
  26     @Override
  27     public JSONObject perform(ReadGraph graph) throws DatabaseException {
  28
  29         long s = System.nanoTime();
  30
  31         JSONObject staticContent = graph.syncRequest(new AttributesRequest(variable));
  32
  33         if(DocumentRequest.PROFILE) {
  34                 long dura = System.nanoTime()-s;
  35                 if(dura > DocumentRequest.PROFILE_THRESHOLD_NODEREQUEST * 1e3) {
  36                         System.err.println("NodeRequest " + System.identityHashCode(this) + " in " + 1e-6*dura + "ms. " + variable.getURI(graph));
  37                 }
  38         }
  39
  40         return staticContent;
  41
  42     }
  43
  44 }