1 package org.simantics.db.layer0.request;
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3 import java.util.Collection;
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4 import java.util.HashSet;
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5 import java.util.Set;
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7 import org.simantics.db.ReadGraph;
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8 import org.simantics.db.Resource;
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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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14 * @author Tuukka Lehtonen
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17 public class LinkedFrom extends ResourceRead<Set<Resource>> {
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19 public LinkedFrom(Resource resource) {
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24 public Set<Resource> perform(ReadGraph graph) throws DatabaseException {
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25 Layer0 L0 = Layer0.getInstance(graph);
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26 HashSet<Resource> result = new HashSet<>();
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27 Collection<Resource> linkees = graph.getObjects(resource, L0.IsLinkedTo_Inverse);
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28 result.addAll(linkees);
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29 for (Resource linkee : linkees) {
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30 Set<Resource> deep = graph.sync(new LinkedFrom(linkee));
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31 result.addAll(deep);
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