1 package org.simantics.document.server.request;
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.DocumentServerUtils.AttributesRequest;
8 import org.simantics.document.server.JSONObject;
9 import org.simantics.threadlog.Task;
10 import org.simantics.threadlog.ThreadLog;
12 public class NodeRequest extends VariableRead<JSONObject> {
14 public static final String ERRORS = "Errors";
15 public static final String PROPERTY_VALUE_EXCEPTIONS = "_PropertyValueExceptions";
17 public NodeRequest(Variable node) {
21 @SuppressWarnings("unchecked")
23 public JSONObject perform(ReadGraph graph) throws DatabaseException {
25 long s = System.nanoTime();
27 Task task = ThreadLog.BEGIN("NodeRequest " + variable.getURI(graph));
31 JSONObject staticContent = graph.syncRequest(new AttributesRequest(variable));
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));