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.List;
   5
   6 import org.simantics.databoard.Bindings;
   7 import org.simantics.databoard.Databoard;
   8 import org.simantics.databoard.binding.Binding;
   9 import org.simantics.db.ReadGraph;
  10 import org.simantics.db.Resource;
  11 import org.simantics.db.exception.DatabaseException;
  12 import org.simantics.db.layer0.request.VariableRead;
  13 import org.simantics.db.layer0.variable.Variable;
  14 import org.simantics.document.base.ontology.DocumentationResource;
  15 import org.simantics.document.server.DocumentServerUtils;
  16 import org.simantics.document.server.JSONObject;
  17 import org.simantics.layer0.Layer0;
  18 import org.simantics.structural.stubs.StructuralResource2;
  19
  20 class NodeRequestStatic extends VariableRead<JSONObject> {
  21
  22         public NodeRequestStatic(Variable node) {
  23                 super(node);
  24         }
  25
  26         public static class Headers extends VariableRead<JSONObject> {
  27
  28                 public Headers(Variable variable) {
  29                         super(variable);
  30                 }
  31
  32                 @Override
  33                 public JSONObject perform(ReadGraph graph) throws DatabaseException {
  34
  35                         Layer0 L0 = Layer0.getInstance(graph);
  36                         StructuralResource2.getInstance(graph);
  37                         DocumentationResource DOC = DocumentationResource.getInstance(graph);
  38
  39                         String id = DocumentServerUtils.getId(graph, variable);
  40
  41                         Binding jsonBinding = graph.getService(Databoard.class).getBindingUnchecked(JSONObject.class);
  42                         JSONObject object = new JSONObject(jsonBinding, id);
  43
  44                         Resource type = variable.getType(graph);
  45
  46                         Variable parentConnectionPoint = DocumentServerUtils.getParentConnectionPoint(graph, variable);
  47                         while (parentConnectionPoint != null) {
  48                                 Variable par = parentConnectionPoint.getParent(graph);
  49                                 if(!DOC.Components_DummyContainer.equals(par.getType(graph))) break;
  50                                 parentConnectionPoint = DocumentServerUtils.getParentConnectionPoint(graph, par);
  51                         }
  52
  53                         if(parentConnectionPoint != null) {
  54                                 String parent = DocumentServerUtils.getId(graph, parentConnectionPoint.getParent(graph));
  55                                 Resource cpPredicate = parentConnectionPoint.getPossiblePredicateResource(graph);
  56                                 String i = null;
  57                                 if (DOC.Relations_partN.equals(cpPredicate)) {
  58                                         i = DocumentServerUtils.findManualOrdinal(graph, variable);
  59                                 } else {
  60                                         i = graph.getPossibleRelatedValue(cpPredicate, DOC.Document_ChildRelation_ordinal, Bindings.STRING);
  61                                 }
  62                                 if (i == null) {
  63                                         i = "0";
  64                                 }
  65
  66                                 object.addJSONField("parent", parent);
  67                                 object.addJSONField("parentOrd", i);
  68                         } else {
  69                             if(DOC.Components_Root.equals(type) || graph.isInheritedFrom(type, DOC.Components_Root)) {
  70                                 object.addJSONField("parent", "root");
  71                                 object.addJSONField("parentOrd", "0");
  72                             } if(!graph.isInheritedFrom(type, DOC.Components_ParentlessComponent)) {
  73                                 object.addJSONField("parent", "");
  74                                 object.addJSONField("parentOrd", "0");
  75                             }
  76                         }
  77
  78                         object.addJSONField("id", id);
  79                         object.addJSONField("type", graph.<String>getRelatedValue(type, L0.HasName, Bindings.STRING));
  80                         return object;
  81
  82                 }
  83
  84         }
  85
  86         @Override
  87         public JSONObject perform(ReadGraph graph) throws DatabaseException {
  88
  89                 long s = System.nanoTime();
  90
  91                 JSONObject base = graph.syncRequest(new Headers(variable));
  92                 JSONObject object = base.clone();
  93
  94                 DocumentationResource DOC = DocumentationResource.getInstance(graph);
  95
  96                 for(Variable attrib : DocumentServerUtils.getStaticAttributes(graph, DOC, variable)) {
  97                         String name = attrib.getName(graph);
  98                         try {
  99                             Object value = DocumentServerUtils.getValue(graph, attrib);
 100                             object.addJSONField(name, value);
 101                         } catch (Throwable t) {
 102                             List<String> errorList = object.getJSONField(NodeRequest.ERRORS);
 103                             if(errorList == null)
 104                                 errorList = new ArrayList<String>();
 105
 106                     String errorMessage = NodeRequestUtils.formatErrorMessage(name, t);
 107
 108                             errorList.add(errorMessage);
 109                             object.addJSONField(NodeRequest.ERRORS, errorList);
 110                         }
 111
 112                 }
 113
 114         if(DocumentRequest.PROFILE) {
 115             long dura = System.nanoTime()-s;
 116             System.err.println("NodeRequestStatic " + System.identityHashCode(this) + " " + variable.getURI(graph) + " in " + 1e-6*dura + "ms." + object);
 117         }
 118
 119                 return object;
 120
 121         }
 122
 123 }