org.simantics.district.network/src/org/simantics/district/network/techtype/requests/WriteTechTypeTable.java

   1 package org.simantics.district.network.techtype.requests;
   2
   3 import java.util.UUID;
   4
   5 import org.simantics.Simantics;
   6 import org.simantics.db.Resource;
   7 import org.simantics.db.WriteGraph;
   8 import org.simantics.db.common.procedure.adapter.TransientCacheListener;
   9 import org.simantics.db.common.request.WriteRequest;
  10 import org.simantics.db.exception.DatabaseException;
  11 import org.simantics.db.layer0.request.PossibleActiveModel;
  12 import org.simantics.db.layer0.util.Layer0Utils;
  13 import org.simantics.district.network.ontology.DistrictNetworkResource;
  14 import org.simantics.layer0.Layer0;
  15
  16 public final class WriteTechTypeTable extends WriteRequest {
  17         private final String data;
  18         private final Resource componentType;
  19
  20         public WriteTechTypeTable(Resource componentType, String data) {
  21                 this.data = data;
  22                 this.componentType = componentType;
  23         }
  24
  25         @Override
  26         public void perform(WriteGraph graph) throws DatabaseException {
  27                 Layer0 L0 = Layer0.getInstance(graph);
  28                 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  29
  30                 Resource model = graph.syncRequest(new PossibleActiveModel(Simantics.getProjectResource()));
  31                 if (model == null)
  32                         throw new DatabaseException("No active model for storing tech type data");
  33
  34                 Resource ttt = graph.syncRequest(new PossibleTechTypeTable(model, componentType), TransientCacheListener.instance());
  35
  36                 graph.getSession().markUndoPoint();
  37
  38                 if (ttt == null) {
  39                         ttt = graph.newResource();
  40                         graph.claim(ttt, L0.InstanceOf, DN.TechType_TechTypeTable);
  41                         graph.claimLiteral(ttt, L0.HasName, UUID.randomUUID().toString());
  42                         graph.claim(model, L0.ConsistsOf, ttt);
  43                         graph.claim(ttt, DN.TechType_TechTypeTable_HasComponentType, componentType);
  44                         Layer0Utils.addCommentMetadata(graph, "Create tech type table");
  45                 } else {
  46                         graph.deny(ttt, DN.TechType_TechTypeTable_HasEnabledItems);
  47                         Layer0Utils.addCommentMetadata(graph, "Update tech type table");
  48                 }
  49
  50                 graph.claimLiteral(ttt, DN.TechType_TechTypeTable_HasData, data);
  51         }
  52 }