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

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