gerrit.simantics Code Review - simantics/platform.git/blob

   1 package org.simantics.modeling.migration;
   2
   3 import org.eclipse.core.runtime.IProgressMonitor;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.Session;
   6 import org.simantics.db.WriteGraph;
   7 import org.simantics.db.common.request.WriteRequest;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.db.layer0.migration.MigrationState;
  10 import org.simantics.db.layer0.migration.MigrationStep;
  11 import org.simantics.db.layer0.migration.MigrationUtils;
  12 import org.simantics.db.layer0.util.RemoverUtil;
  13 import org.simantics.document.DocumentResource;
  14 import org.simantics.layer0.Layer0;
  15 import org.simantics.modeling.ModelingUtils;
  16
  17 public class DocumentCleanupMigrationStep implements MigrationStep {
  18
  19     @Override
  20     public void applyTo(IProgressMonitor monitor, Session session, MigrationState state) throws DatabaseException {
  21
  22         final Resource indexRoot = MigrationUtils.getResource(monitor, session, state);
  23         if(indexRoot == null) return;
  24
  25         session.sync(new WriteRequest() {
  26
  27             @Override
  28             public void perform(WriteGraph graph) throws DatabaseException {
  29
  30                 Layer0 L0 = Layer0.getInstance(graph);
  31                 DocumentResource DOC = DocumentResource.getInstance(graph);
  32
  33                 for(Resource model : graph.getObjects(indexRoot, L0.ConsistsOf)) {
  34                                 for(Resource instance : ModelingUtils.searchByType(graph, model, DOC.ScenegraphDocument)) {
  35                                         if(!graph.hasStatement(instance, DOC.HasDocumentation_Inverse)) {
  36                                                 System.err.println("Removing stray document " + graph.getURI(instance));
  37                                                 RemoverUtil.remove(graph, instance);
  38                                         }
  39                                 }
  40                 }
  41
  42             }
  43
  44         });
  45
  46     }
  47
  48 }