1 package org.simantics.structural2.queries;
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3 import org.simantics.db.ReadGraph;
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4 import org.simantics.db.Resource;
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5 import org.simantics.db.common.primitiverequest.IsSubrelationOf;
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6 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
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7 import org.simantics.db.common.request.ResourceRead;
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8 import org.simantics.db.exception.DatabaseException;
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9 import org.simantics.db.layer0.request.PropertyInfo;
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10 import org.simantics.db.layer0.request.PropertyInfoRequest;
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11 import org.simantics.structural.stubs.StructuralResource2;
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13 public class PossibleConnectionPointInfo extends ResourceRead<PropertyInfo> {
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15 public PossibleConnectionPointInfo(Resource resource) {
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20 public PropertyInfo perform(ReadGraph graph) throws DatabaseException {
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22 PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(resource), TransientCacheAsyncListener.<PropertyInfo>instance());
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23 if(info != null && !info.isHasProperty) {
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24 StructuralResource2 STR = StructuralResource2.getInstance(graph);
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25 if(graph.syncRequest(new IsSubrelationOf(resource, STR.IsConnectedTo), TransientCacheAsyncListener.<Boolean>instance())) {
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26 if (info.name != null) return info;
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