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

   1 package org.simantics.document.server.request;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.List;\r
   5 import java.util.Map;\r
   6 \r
   7 import org.simantics.db.ReadGraph;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.db.layer0.request.VariableRead;\r
  10 import org.simantics.db.layer0.variable.Variable;\r
  11 import org.simantics.document.server.JSONObject;\r
  12 \r
  13 public class NodeRequest extends VariableRead<JSONObject> {\r
  14     \r
  15     public static String ERRORS = "Errors";\r
  16 \r
  17         public NodeRequest(Variable node) {\r
  18                 super(node);\r
  19         }\r
  20 \r
  21         @SuppressWarnings("unchecked")\r
  22     @Override\r
  23         public JSONObject perform(ReadGraph graph) throws DatabaseException {\r
  24                 \r
  25                 long s = System.nanoTime();\r
  26 \r
  27             JSONObject staticContent = graph.syncRequest(new NodeRequestStatic(variable));\r
  28             Map<String,Object> dynamicContent = graph.syncRequest(new NodeRequestDynamic(variable));\r
  29             \r
  30             if(dynamicContent.isEmpty()) {\r
  31                 return staticContent;\r
  32             }\r
  33             \r
  34         JSONObject result = staticContent.clone();\r
  35         result.add(dynamicContent);\r
  36 \r
  37         if(dynamicContent.containsKey(ERRORS) || staticContent.getJSONField(ERRORS) != null) {\r
  38             ArrayList<String> errorList = new ArrayList<String>();\r
  39             \r
  40             if(dynamicContent.containsKey(ERRORS))\r
  41                 errorList.addAll((List<String>)dynamicContent.get(ERRORS));\r
  42             \r
  43             if(staticContent.getJSONField(ERRORS) != null)\r
  44                 errorList.addAll((List<String>)staticContent.getJSONField(ERRORS));\r
  45             \r
  46             result.addJSONField(ERRORS, errorList);\r
  47         }\r
  48         \r
  49         if(DocumentRequest.PROFILE) {\r
  50                 long dura = System.nanoTime()-s;\r
  51                 System.err.println("NodeRequest " + System.identityHashCode(this) + " " + variable.getURI(graph) + " in " + 1e-6*dura + "ms." + result);\r
  52         }\r
  53         \r
  54             return result;\r
  55 \r
  56         }               \r
  57 \r
  58 }