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

   1 package org.simantics.modeling.migration;
   2
   3  import java.io.PrintWriter;
   4 import java.util.Collection;
   5
   6 import org.eclipse.core.runtime.IProgressMonitor;
   7 import org.simantics.db.Resource;
   8 import org.simantics.db.Session;
   9 import org.simantics.db.WriteGraph;
  10 import org.simantics.db.common.request.DelayedWriteRequest;
  11 import org.simantics.db.exception.DatabaseException;
  12 import org.simantics.db.layer0.migration.MigrationState;
  13 import org.simantics.db.layer0.migration.MigrationStateKeys;
  14 import org.simantics.db.layer0.migration.MigrationStep;
  15 import org.simantics.db.layer0.migration.MigrationUtils;
  16 import org.simantics.db.layer0.migration.NullWriter;
  17 import org.simantics.db.layer0.util.Layer0Utils;
  18 import org.simantics.modeling.ModelingUtils;
  19
  20 /**
  21  * Runs
  22  * {@link ModelingUtils#createMissingGUIDs(IProgressMonitor, WriteGraph, Resource)}
  23  * for all imported models.
  24  *
  25  * @author Tuukka Lehtonen
  26  */
  27 public enum GuidCreationStep implements MigrationStep {
  28
  29     INSTANCE;
  30
  31     public static GuidCreationStep get() {
  32         return INSTANCE;
  33     }
  34
  35     @Override
  36     public void applyTo(final IProgressMonitor monitor, Session session, MigrationState state) throws DatabaseException {
  37         final Collection<Resource> roots = state.getProperty(MigrationStateKeys.CURRENT_ROOT_RESOURCES);
  38         if (roots.isEmpty())
  39             return;
  40         final PrintWriter log = MigrationUtils.getProperty(state, MigrationStateKeys.MESSAGE_LOG_WRITER, NullWriter.PRINT_INSTANCE);
  41
  42         session.sync(new DelayedWriteRequest() {
  43             @Override
  44             public void perform(WriteGraph graph) throws DatabaseException {
  45                 create(monitor, graph, roots, log);
  46             }
  47         });
  48     }
  49
  50     private static void create(IProgressMonitor monitor, WriteGraph graph, Collection<Resource> roots, PrintWriter log) throws DatabaseException {
  51         log.println("## Creating missing GUID identifiers ##");
  52         Layer0Utils.setDependenciesIndexingDisabled(graph, true);
  53         ModelingUtils.createMissingGUIDs(monitor, graph, roots);
  54     }
  55
  56 }