1 package org.simantics.db.layer0.validation;
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3 import java.util.HashSet;
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4 import java.util.Set;
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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.ResourceRead;
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9 import org.simantics.db.exception.DatabaseException;
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10 import org.simantics.layer0.Layer0;
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12 public class GetConstraints extends ResourceRead<Set<Resource>> {
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14 public GetConstraints(Resource resource) {
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19 public Set<Resource> perform(ReadGraph graph) throws DatabaseException {
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21 Layer0 L0 = Layer0.getInstance(graph);
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22 HashSet<Resource> result = new HashSet<Resource>();
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23 for(Resource type : graph.getTypes(resource)) {
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24 result.addAll(graph.getObjects(type, L0.HasConstraint));
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