bundles/org.simantics.modeling/src/org/simantics/modeling/migration/DocumentCleanupMigrationStep.java

   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 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 public class DocumentCleanupMigrationStep implements MigrationStep {
  20
  21     private static final Logger LOGGER = LoggerFactory.getLogger(DocumentCleanupMigrationStep.class);
  22
  23     @Override
  24     public void applyTo(IProgressMonitor monitor, Session session, MigrationState state) throws DatabaseException {
  25
  26         final Resource indexRoot = MigrationUtils.getResource(monitor, session, state);
  27         if(indexRoot == null) return;
  28
  29         session.sync(new WriteRequest() {
  30
  31             @Override
  32             public void perform(WriteGraph graph) throws DatabaseException {
  33
  34                 Layer0 L0 = Layer0.getInstance(graph);
  35                 DocumentResource DOC = DocumentResource.getInstance(graph);
  36
  37                 for(Resource model : graph.getObjects(indexRoot, L0.ConsistsOf)) {
  38                                 for(Resource instance : ModelingUtils.searchByType(graph, model, DOC.ScenegraphDocument)) {
  39                                         if(!graph.hasStatement(instance, DOC.HasDocumentation_Inverse)) {
  40                                                 LOGGER.info("Removing stray document " + graph.getURI(instance));
  41                                                 RemoverUtil.remove(graph, instance);
  42                                         }
  43                                 }
  44                 }
  45
  46             }
  47
  48         });
  49
  50     }
  51
  52 }