1 package org.simantics.document.server.request;
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3 import gnu.trove.set.hash.THashSet;
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5 import java.util.Collections;
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6 import java.util.Set;
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8 import org.simantics.databoard.Bindings;
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9 import org.simantics.db.ReadGraph;
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10 import org.simantics.db.Resource;
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11 import org.simantics.db.exception.DatabaseException;
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12 import org.simantics.db.layer0.request.VariableRead;
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13 import org.simantics.db.layer0.variable.Variable;
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14 import org.simantics.document.base.ontology.DocumentationResource;
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16 public class NodesRequest2 extends VariableRead<Set<Variable>> {
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18 public NodesRequest2(Variable var) {
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23 public Set<Variable> perform(ReadGraph graph) throws DatabaseException {
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25 long s = System.nanoTime();
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27 DocumentationResource DOC = DocumentationResource.getInstance(graph);
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29 Resource type = variable.getPossibleType(graph);
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30 if(type == null) return Collections.emptySet();
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32 if(!graph.isInheritedFrom(type, DOC.Components_Component)) return Collections.emptySet();
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34 Boolean pathExists = variable.getPossiblePropertyValue(graph, DOC.Properties_pathExists, Bindings.BOOLEAN);
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35 if(pathExists != null && !pathExists) return Collections.emptySet();
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37 if(graph.isInheritedFrom(type, DOC.Components_PrimitiveComponent)) {
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38 return Collections.singleton(variable);
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40 Set<Variable> result = new THashSet<Variable>();
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41 for(Variable child : variable.getChildren(graph)) {
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42 Set<Variable> nodes = graph.syncRequest(new NodesRequest2(child));
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43 result.addAll(nodes);
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46 if(DocumentRequest.PROFILE) {
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47 long dura = System.nanoTime()-s;
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48 System.err.println("NodesRequest2 " + System.identityHashCode(this) + " " + variable.getURI(graph) + " in " + 1e-6*dura + "ms.");
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