gerrit.simantics Code Review - simantics/platform.git/blob

   1 package org.simantics.document.server.request;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collections;
   5 import java.util.Comparator;
   6 import java.util.List;
   7
   8 import org.simantics.db.ReadGraph;
   9 import org.simantics.db.common.request.UnaryRead;
  10 import org.simantics.db.exception.DatabaseException;
  11 import org.simantics.db.layer0.variable.Variable;
  12 import org.simantics.db.layer0.variable.Variables;
  13 import org.simantics.document.server.JSONObject;
  14
  15 public class URIDocumentRequest extends UnaryRead<String, List<JSONObject>> {
  16
  17     public URIDocumentRequest(String var) {
  18         super(var);
  19         }
  20
  21         @Override
  22         public List<JSONObject> perform(ReadGraph graph) throws DatabaseException {
  23
  24                 Variable var = Variables.getPossibleVariable(graph, parameter);
  25                 if(var == null) {
  26                         Variables.getPossibleVariable(graph, parameter);
  27                         return Collections.emptyList();
  28                 }
  29
  30                 ArrayList<JSONObject> result = new ArrayList<JSONObject>(graph.syncRequest(new DocumentRequest(var)));
  31                 Collections.sort(result, new Comparator<JSONObject>() {
  32
  33                         @Override
  34                         public int compare(JSONObject o1, JSONObject o2) {
  35                                 return o1.id.compareTo(o2.id);
  36                         }
  37
  38                 });
  39                 return result;
  40
  41         }
  42
  43 }