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

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