bundles/org.simantics.document.server/src/org/simantics/document/server/request/NodesRequest2.java

   1 package org.simantics.document.server.request;\r
   2 \r
   3 import gnu.trove.set.hash.THashSet;\r
   4 \r
   5 import java.util.Collections;\r
   6 import java.util.Set;\r
   7 \r
   8 import org.simantics.databoard.Bindings;\r
   9 import org.simantics.db.ReadGraph;\r
  10 import org.simantics.db.Resource;\r
  11 import org.simantics.db.exception.DatabaseException;\r
  12 import org.simantics.db.layer0.request.VariableRead;\r
  13 import org.simantics.db.layer0.variable.Variable;\r
  14 import org.simantics.document.base.ontology.DocumentationResource;\r
  15 \r
  16 public class NodesRequest2 extends VariableRead<Set<Variable>> {\r
  17 \r
  18     public NodesRequest2(Variable var) {\r
  19         super(var);\r
  20         }\r
  21 \r
  22         @Override\r
  23         public Set<Variable> perform(ReadGraph graph) throws DatabaseException {\r
  24             \r
  25                 long s = System.nanoTime();\r
  26                 \r
  27                 DocumentationResource DOC = DocumentationResource.getInstance(graph);\r
  28 \r
  29                 Resource type = variable.getPossibleType(graph);\r
  30                 if(type == null) return Collections.emptySet();\r
  31                 \r
  32                 if(!graph.isInheritedFrom(type, DOC.Components_Component)) return Collections.emptySet();\r
  33 \r
  34                 Boolean pathExists = variable.getPossiblePropertyValue(graph, DOC.Properties_pathExists, Bindings.BOOLEAN);\r
  35                 if(pathExists != null && !pathExists) return Collections.emptySet();\r
  36 \r
  37                 if(graph.isInheritedFrom(type, DOC.Components_PrimitiveComponent)) {\r
  38                         return Collections.singleton(variable);\r
  39                 } else {\r
  40                         Set<Variable> result = new THashSet<Variable>();\r
  41                         for(Variable child : variable.getChildren(graph)) {\r
  42                                 Set<Variable> nodes = graph.syncRequest(new NodesRequest2(child));\r
  43                                 result.addAll(nodes);\r
  44                         }\r
  45 \r
  46                 if(DocumentRequest.PROFILE) {\r
  47                         long dura = System.nanoTime()-s;\r
  48                         System.err.println("NodesRequest2 " + System.identityHashCode(this) + " " + variable.getURI(graph) + " in " + 1e-6*dura + "ms.");\r
  49                 }\r
  50                 \r
  51                         return result;\r
  52                 }\r
  53 \r
  54         }\r
  55 \r
  56 }