1 package org.simantics.db.layer0.request;
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3 import java.util.ArrayList;
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4 import java.util.Collection;
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6 import org.simantics.db.ReadGraph;
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7 import org.simantics.db.Resource;
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8 import org.simantics.db.common.request.ObjectsWithType;
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9 import org.simantics.db.common.request.ResourceRead;
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10 import org.simantics.db.exception.DatabaseException;
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11 import org.simantics.layer0.Layer0;
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12 import org.simantics.operation.Layer0X;
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13 import org.simantics.simulation.ontology.SimulationResource;
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16 * Returns a set of active models.
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18 * @author Tuukka Lehtonen
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20 public class ActiveModels extends ResourceRead<Collection<Resource>> {
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22 public ActiveModels(Resource project) {
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27 public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
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28 Layer0 L0 = Layer0.getInstance(graph);
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29 Layer0X L0X = Layer0X.getInstance(graph);
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30 SimulationResource SIMU = SimulationResource.getInstance(graph);
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31 ArrayList<Resource> result = new ArrayList<Resource>();
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32 for (Resource model : graph.syncRequest(new ObjectsWithType(resource, L0.ConsistsOf, SIMU.Model))) {
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33 if (graph.hasStatement(model, L0X.IsActivatedBy))
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39 public static Resource getPossibleActiveModel(ReadGraph graph, Resource project) throws DatabaseException {
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40 Collection<Resource> models = graph.syncRequest(new ActiveModels(project));
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41 if(models.isEmpty())
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44 return models.iterator().next();
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