Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.document.server / src / org / simantics / document / server / request / NodesRequest2.java

diff --git a/bundles/org.simantics.document.server/src/org/simantics/document/server/request/NodesRequest2.java b/bundles/org.simantics.document.server/src/org/simantics/document/server/request/NodesRequest2.java
new file mode 100644 (file)
index 0000000..6056330
--- /dev/null
+++ b/bundles/org.simantics.document.server/src/org/simantics/document/server/request/NodesRequest2.java
@@ -0,0 +1,56 @@
+package org.simantics.document.server.request;\r
+\r
+import gnu.trove.set.hash.THashSet;\r
+\r
+import java.util.Collections;\r
+import java.util.Set;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.request.VariableRead;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.document.base.ontology.DocumentationResource;\r
+\r
+public class NodesRequest2 extends VariableRead<Set<Variable>> {\r
+\r
+    public NodesRequest2(Variable var) {\r
+        super(var);\r
+       }\r
+\r
+       @Override\r
+       public Set<Variable> perform(ReadGraph graph) throws DatabaseException {\r
+           \r
+               long s = System.nanoTime();\r
+               \r
+               DocumentationResource DOC = DocumentationResource.getInstance(graph);\r
+\r
+               Resource type = variable.getPossibleType(graph);\r
+               if(type == null) return Collections.emptySet();\r
+               \r
+               if(!graph.isInheritedFrom(type, DOC.Components_Component)) return Collections.emptySet();\r
+\r
+               Boolean pathExists = variable.getPossiblePropertyValue(graph, DOC.Properties_pathExists, Bindings.BOOLEAN);\r
+               if(pathExists != null && !pathExists) return Collections.emptySet();\r
+\r
+               if(graph.isInheritedFrom(type, DOC.Components_PrimitiveComponent)) {\r
+                       return Collections.singleton(variable);\r
+               } else {\r
+                       Set<Variable> result = new THashSet<Variable>();\r
+                       for(Variable child : variable.getChildren(graph)) {\r
+                               Set<Variable> nodes = graph.syncRequest(new NodesRequest2(child));\r
+                               result.addAll(nodes);\r
+                       }\r
+\r
+               if(DocumentRequest.PROFILE) {\r
+                       long dura = System.nanoTime()-s;\r
+                       System.err.println("NodesRequest2 " + System.identityHashCode(this) + " " + variable.getURI(graph) + " in " + 1e-6*dura + "ms.");\r
+               }\r
+               \r
+                       return result;\r
+               }\r
+\r
+       }\r
+\r
+}
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