1 package org.simantics.document.server.request;
3 import java.util.ArrayList;
4 import java.util.Collection;
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;
16 public class NodeRequest extends VariableRead<JSONObject> {
18 public static final String ERRORS = "Errors";
19 public static final String PROPERTY_VALUE_EXCEPTIONS = "_PropertyValueExceptions";
21 public NodeRequest(Variable node) {
25 @SuppressWarnings("unchecked")
27 public JSONObject perform(ReadGraph graph) throws DatabaseException {
29 long s = System.nanoTime();
31 Pair<JSONObject, Collection<Variable>> attribs = graph.syncRequest(new AttributesRequest(variable));
33 JSONObject staticContent = attribs.first;
34 if(attribs.second.isEmpty()) {
36 if(DocumentRequest.PROFILE) {
37 long dura = System.nanoTime()-s;
38 if(dura > DocumentRequest.PROFILE_THRESHOLD_NODEREQUEST * 1e3) {
39 System.err.println("NodeRequest " + System.identityHashCode(this) + " in " + 1e-6*dura + "ms. " + variable.getURI(graph));
46 Map<String,Object> dynamicContent = graph.syncRequest(new NodeRequestDynamic(variable));
47 if(dynamicContent.isEmpty()) {
51 JSONObject result = staticContent.clone();
52 result.add(dynamicContent);
54 if(dynamicContent.containsKey(ERRORS) || staticContent.getJSONField(ERRORS) != null) {
55 ArrayList<String> errorList = new ArrayList<>();
57 if(dynamicContent.containsKey(ERRORS))
58 errorList.addAll((List<String>)dynamicContent.get(ERRORS));
60 if(staticContent.getJSONField(ERRORS) != null)
61 errorList.addAll((List<String>)staticContent.getJSONField(ERRORS));
63 result.addJSONField(ERRORS, errorList);
66 if(DocumentRequest.PROFILE) {
67 long dura = System.nanoTime()-s;
68 if(dura > DocumentRequest.PROFILE_THRESHOLD_NODEREQUEST * 1e3) {
69 System.err.println("NodeRequest " + System.identityHashCode(this) + " in " + 1e-6*dura + "ms. " + variable.getURI(graph));