1 package org.simantics.db.common.utils;
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3 import java.util.Collections;
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5 import org.simantics.databoard.Bindings;
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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.NamedResource;
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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.utils.datastructures.MapList;
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14 public class VersionInfoRequest extends ResourceRead<VersionInfo> {
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16 public VersionInfoRequest(Resource resource) {
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21 public VersionInfo perform(ReadGraph graph) throws DatabaseException {
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23 Layer0 L0 = Layer0.getInstance(graph);
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25 String baseName = graph.getPossibleRelatedValue(resource, L0.HasName, Bindings.STRING);
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26 String version = "";
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28 if(baseName != null) {
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29 int pos = baseName.lastIndexOf('@');
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31 version = baseName.substring(pos+1);
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32 baseName = baseName.substring(0, pos);
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36 Resource parent = graph.getPossibleObject(resource, L0.PartOf);
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37 if(parent != null) {
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38 MapList<String,NamedResource> versionMap = graph.syncRequest(new VersionMapRequest(parent));
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39 return new VersionInfo(baseName, version, versionMap.getValues(baseName));
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42 return new VersionInfo(baseName, version, Collections.singleton(new NamedResource(version, resource)));
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