-package org.simantics.document.server.request;\r
-\r
-import gnu.trove.set.hash.THashSet;\r
-\r
-import java.util.Collection;\r
-import java.util.Collections;\r
-import java.util.Set;\r
-\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.request.VariableChildren;\r
-import org.simantics.db.layer0.request.VariableRead;\r
-import org.simantics.db.layer0.variable.Variable;\r
-import org.simantics.structural.stubs.StructuralResource2;\r
-\r
-public class NodesRequest extends VariableRead<Set<Variable>> {\r
-\r
- public NodesRequest(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
- StructuralResource2.getInstance(graph);\r
- if(variable == null)\r
- return Collections.emptySet();\r
-\r
- Set<Variable> nodes = new THashSet<Variable>();\r
- Collection<Variable> children = graph.syncRequest(new VariableChildren(variable));\r
- for(Variable child : children) {\r
- Set<Variable> childNodes = graph.syncRequest(new NodesRequest2(child));\r
- nodes.addAll(childNodes);\r
- }\r
- \r
- if(DocumentRequest.PROFILE) {\r
- long dura = System.nanoTime()-s;\r
- System.err.println("NodesRequest " + System.identityHashCode(this) + " " + variable.getURI(graph) + " in " + 1e-6*dura + "ms.");\r
- }\r
- \r
- return nodes;\r
-\r
- }\r
-\r
+package org.simantics.document.server.request;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Set;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.common.request.AsyncReadRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.request.VariableChildren;
+import org.simantics.db.layer0.request.VariableRead;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.procedure.AsyncProcedure;
+import org.simantics.structural.stubs.StructuralResource2;
+import org.simantics.utils.threads.logger.ITask;
+import org.simantics.utils.threads.logger.ThreadLogger;
+
+import gnu.trove.set.hash.THashSet;
+
+public class NodesRequest extends VariableRead<Set<Variable>> {
+
+ public NodesRequest(Variable var) {
+ super(var);
+ }
+
+ @Override
+ public Set<Variable> perform(ReadGraph graph) throws DatabaseException {
+
+ ITask task = DocumentRequest.PROFILE ? ThreadLogger.task(this) : null;
+
+ StructuralResource2.getInstance(graph);
+ if(variable == null)
+ return Collections.emptySet();
+
+ Set<Variable> nodes = new THashSet<Variable>();
+
+ Collection<Variable> children = graph.syncRequest(new VariableChildren(variable));
+
+ graph.syncRequest(new AsyncReadRequest() {
+
+ @Override
+ public void run(AsyncReadGraph graph) throws DatabaseException {
+
+ for(Variable child : children) {
+ graph.asyncRequest(new NodesRequest2(child), new AsyncProcedure<Set<Variable>>() {
+
+ @Override
+ public void execute(AsyncReadGraph graph, Set<Variable> result) {
+ synchronized(nodes) {
+ nodes.addAll(result);
+ }
+ }
+
+ @Override
+ public void exception(AsyncReadGraph graph, Throwable throwable) {
+ }
+
+ });
+ }
+
+ }
+
+ });
+
+ if(DocumentRequest.PROFILE) task.finish();
+
+ return nodes;
+
+ }
+
}
\ No newline at end of file