Examples of com.db4o.ObjectContainer.commit()

com.db4o.ObjectContainer.commit()
commits the running transaction.

Transactions are back-to-back. A call to commit will starts a new transaction immedidately. @throws Db4oIOException I/O operation failed or was unexpectedly interrupted. @throws DatabaseClosedException db4o database file was closed or failed to open. @throws DatabaseReadOnlyException database was configured as read-only.

      List<Counter> counterSet = fObjectContainer.query(Counter.class);
      Counter counter = counterSet.iterator().next();
      fObjectContainer.activate(counter, Integer.MAX_VALUE);
      db.ext().set(counter, Integer.MAX_VALUE);


      db.commit();
  }


  private Configuration createConfiguration() {
    Configuration config = Db4o.newConfiguration();
    //TODO We can use dbExists to configure our parameters for a more

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    for (Preference pref : oc.query(Preference.class)) {
      oc.activate(pref, Integer.MAX_VALUE);
      oc.ext().set(convertPref(pref), Integer.MAX_VALUE);
      oc.delete(pref);
    }
    oc.commit();
    /* 20 */
    progressMonitor.worked(10);


    for (org.rssowl.core.persist.ISearchField searchField : oc.query(org.rssowl.core.internal.persist.SearchField.class))   {
      oc.activate(searchField, Integer.MAX_VALUE);

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      String entityName = searchField.getEntityName();
      entityName = entityName.replace("core.model.types", "core.persist");
      MigrationHelper.setField(searchField, "fEntityName", entityName);
      oc.ext().set(searchField, Integer.MAX_VALUE);
    }
    oc.commit();
    /* 30 */
    progressMonitor.worked(10);


    for (org.rssowl.core.persist.ISearchCondition searchCond : oc.query(org.rssowl.core.internal.persist.SearchCondition.class))   {
      oc.activate(searchCond, Integer.MAX_VALUE);

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      int searchSpecOrdinal = searchCond.getSpecifier().ordinal();
      org.rssowl.core.persist.SearchSpecifier searchSpec = org.rssowl.core.persist.SearchSpecifier.values()[searchSpecOrdinal];
      MigrationHelper.setField(searchCond, "fSpecifier", searchSpec);
      oc.ext().set(searchCond, Integer.MAX_VALUE);
    }
    oc.commit();
    /* 40 */
    progressMonitor.worked(10);


    List<org.rssowl.core.persist.IFolder> folders = new ArrayList<org.rssowl.core.persist.IFolder>();
    for (org.rssowl.core.persist.IFolder folder : oc.query(org.rssowl.core.internal.persist.Folder.class))   {

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    /* Only save folders once they have all been updated */
    for (org.rssowl.core.persist.IMark mark : marks)   {
      oc.ext().set(mark, Integer.MAX_VALUE);
    }


    oc.commit();
    /* 80 */
    progressMonitor.worked(40);


    for (Map.Entry<Long, Map<String, ?>> entry : idPropertiesMap.entrySet()) {
      Query query = oc.query();

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    progressMonitor.beginTask(Messages.Migration2To5_MIGRATING_DATA, totalProgress);


    ObjectContainer oc = Db4o.openFile(configFactory.createConfiguration(), dbFileName);


    totalProgressIncremented = Migration2To3.migrate(progressMonitor, totalProgress, totalProgressIncremented, oc);
    oc.commit();
    oc.close();


    File dbLastBackUpFile = DBManager.getDefault().getDBLastBackUpFile();
    dbLastBackUpFile.delete();

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    progressMonitor.beginTask(Messages.Migration2To3_MIGRATING_DATA, totalProgress);


    ObjectContainer oc = Db4o.openFile(configFactory.createConfiguration(), dbFileName);


    totalProgressIncremented = migrate(progressMonitor, totalProgress, totalProgressIncremented, oc);
    oc.commit();
    oc.close();


    progressMonitor.worked(totalProgress - totalProgressIncremented);


    return new MigrationResult(false, false, false);

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        addNewsCounterItem(newsCounter, feed);
        destinationDb.ext().store(feed, Integer.MAX_VALUE);


        ++feedCounter;
        if (feedCounter % 40 == 0) {
          destinationDb.commit();
          System.gc();
        }


        monitor.worked(chunk);
      }

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        }


        monitor.worked(chunk);
      }
      allFeeds = null;
      destinationDb.commit();
      System.gc();
    } else
      monitor.worked(available);


    /* Back to normal subtask label */

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        sourceDb.activate(description, Integer.MAX_VALUE);
        destinationDb.ext().store(description, Integer.MAX_VALUE);


        ++descriptionCounter;
        if (descriptionCounter % 600 == 0) {
          destinationDb.commit();
          System.gc();
        }


        monitor.worked(chunk);
      }

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