protected final void doActionPerformed() {
    DbObject[] selObjs = ORActionFactory.getActiveObjects();
    if (selObjs == null || selObjs.length > 1 || selObjs.length == 0) {
      throw new RuntimeException("Expecting selection of one database");
    }
    boolean userHasCancelled = false;
    DbORDatabase database = null;
    try {
      selObjs[0].getDb().beginTrans(Db.READ_TRANS);
      DbORModel model = null;

      if (selObjs[0] instanceof DbORDatabase) {
        database = (DbORDatabase) selObjs[0];
      } else {
        model =
            (selObjs[0] instanceof DbORModel)
                ? (DbORModel) selObjs[0]
                : (DbORModel) selObjs[0].getCompositeOfType(DbORModel.metaClass);
        if (model != null) {
          if (model instanceof DbORDataModel) {
            database = ((DbORDataModel) model).getDeploymentDatabase();
          } else if (model instanceof DbORDomainModel) {
            database = ((DbORDomainModel) model).getDeploymentDatabase();
          } else if (model instanceof DbOROperationLibrary) {
            database = ((DbOROperationLibrary) model).getDeploymentDatabase();
          } // end if
        } // end if
      } // end if
      selObjs[0].getDb().commitTrans();

      if ((model != null) && (database == null)) {
        String transName =
            MessageFormat.format(
                kCreation, new Object[] {DbORDataModel.fDeploymentDatabase.getGUIName()});
        selObjs[0].getDb().beginWriteTrans(transName);
        int option =
            JOptionPane.showConfirmDialog(
                ApplicationContext.getDefaultMainFrame(),
                kNoActiveDatabase,
                ApplicationContext.getApplicationName(),
                JOptionPane.OK_CANCEL_OPTION,
                JOptionPane.INFORMATION_MESSAGE);
        if (option == 0) {
          DbObject composite = model.getProject();
          DbSMSTargetSystem ts = model.getTargetSystem();
          database = AnyORObject.createDatabase(composite, ts);
          if (model instanceof DbORDataModel) {
            DbORDataModel dm = (DbORDataModel) model;
            dm.setDeploymentDatabase(database);
          } else if (model instanceof DbOROperationLibrary) {
            DbOROperationLibrary ol = (DbOROperationLibrary) model;
            ol.setDeploymentDatabase(database);
          } else if (model instanceof DbORDomainModel) {
            DbORDomainModel dm = (DbORDomainModel) model;
            dm.setDeploymentDatabase(database);
          } // end if
        } else if (option == 1) {
          userHasCancelled = true;
        } // end if

        selObjs[0].getDb().commitTrans();
      } // end if
    } catch (DbException e) {
      ExceptionHandler.processUncatchedException(ApplicationContext.getDefaultMainFrame(), e);
    } // end try

    if (userHasCancelled) {
      return;
    }

    DbSMSTargetSystem target = null;
    try {
      Db db = database.getDb();
      db.beginTrans(Db.READ_TRANS);
      target = database.getTargetSystem();
      DBMSDefaultForwardWizardModel model =
          new DBMSDefaultForwardWizardModel(target.getID().intValue());
      model.setAbstractPackage(database);
      model.setDatabaseName(database.getName());
      db.commitTrans();
      Wizard wizard = new Wizard(model);
      wizard.setVisible(true);
    } catch (InstantiationException e) {
      Component parent = ApplicationContext.getDefaultMainFrame();
      Db.abortAllTrans();
      ExceptionHandler.showErrorMessage(parent, e.getMessage());
    } catch (DbException e) {
      ExceptionHandler.processUncatchedException(ApplicationContext.getDefaultMainFrame(), e);
    } catch (RuntimeException e) {
      Component parent = ApplicationContext.getDefaultMainFrame();
      String pattern = kPattern;
      String targetName = kUnknown;

      try {
        Db db = target.getDb();
        db.beginReadTrans();
        targetName = target.getName() + " " + target.getVersion();
        db.commitTrans();
      } catch (DbException ex) {
        // leave targetName's value to unknown
      }

      String msg = MessageFormat.format(pattern, new Object[] {targetName});
      Db.abortAllTrans();
      ExceptionHandler.showErrorMessage(parent, msg);
    }
  }
  //
  // PRIVATE METHODS
  //
  private void propagateCommonItems() {
    g_options = getOptions();

    m_changesmade = false;

    try {
      m_semObjs[0].getDb().beginWriteTrans(m_title);
      int nb = m_semObjs.length;
      for (int i = 0; i < nb; i++) {
        DbObject semObj = m_semObjs[i];
        if (semObj instanceof DbORCommonItemModel) {
          DbORCommonItemModel model = (DbORCommonItemModel) semObj;
          propagateCommonItemValues(model, g_options);
        } else if (semObj instanceof DbORCommonItem) {
          DbORCommonItem item = (DbORCommonItem) semObj;
          propagateCommonItemValues(item, g_options);
        } // end if
        else if (semObj instanceof DbORDataModel) {
          DbObject tableOrView = null;
          DbEnumeration orTableEnum = semObj.getComponents().elements(DbORAbsTable.metaClass);
          while (orTableEnum.hasMoreElements()) {
            tableOrView = orTableEnum.nextElement();
            DbEnumeration orColumnEnum = tableOrView.getComponents().elements(DbORColumn.metaClass);
            DbORCommonItem item = null;
            while (orColumnEnum.hasMoreElements()) {
              DbORColumn parm = (DbORColumn) orColumnEnum.nextElement();
              item = (DbORCommonItem) parm.get(DbORColumn.fCommonItem);
              if (item != null) propagateCommonItemValues(item, parm, false, g_options);
            }
            orColumnEnum.close();
          }
          orTableEnum.close();
        } else if (semObj instanceof DbORColumn) {
          DbORCommonItem item = (DbORCommonItem) semObj.get(DbORColumn.fCommonItem);
          if (item != null) propagateCommonItemValues(item, semObj, false, g_options);
        } else if (semObj instanceof DbORAbsTable) {
          DbEnumeration orColumnEnum = semObj.getComponents().elements(DbORColumn.metaClass);
          DbORCommonItem item = null;
          while (orColumnEnum.hasMoreElements()) {
            DbORColumn parm = (DbORColumn) orColumnEnum.nextElement();
            item = (DbORCommonItem) parm.get(DbORColumn.fCommonItem);
            if (item != null) propagateCommonItemValues(item, parm, false, g_options);
          }
          orColumnEnum.close();
        } else if (semObj instanceof DbOOClassModel) {
          DbObject tableOrView = null;
          DbEnumeration orTableEnum = semObj.getComponents().elements(DbOOClass.metaClass);
          while (orTableEnum.hasMoreElements()) {
            tableOrView = orTableEnum.nextElement();
            DbEnumeration orColumnEnum =
                tableOrView.getComponents().elements(DbJVDataMember.metaClass);
            DbORCommonItem item = null;
            while (orColumnEnum.hasMoreElements()) {
              DbJVDataMember parm = (DbJVDataMember) orColumnEnum.nextElement();
              item = (DbORCommonItem) parm.get(DbJVDataMember.fCommonItem);
              if (item != null) propagateCommonItemValues(item, parm, true, g_options);
            }
            orColumnEnum.close();
          }
          orTableEnum.close();
        } else if (semObj instanceof DbOOClass) {
          DbEnumeration orColumnEnum = semObj.getComponents().elements(DbJVDataMember.metaClass);
          DbORCommonItem item = null;
          while (orColumnEnum.hasMoreElements()) {
            DbJVDataMember parm = (DbJVDataMember) orColumnEnum.nextElement();
            item = (DbORCommonItem) parm.get(DbJVDataMember.fCommonItem);
            if (item != null) propagateCommonItemValues(item, parm, true, g_options);
          }
          orColumnEnum.close();
        } else if (semObj instanceof DbJVDataMember) {
          DbORCommonItem item = (DbORCommonItem) semObj.get(DbJVDataMember.fCommonItem);
          if (item != null) propagateCommonItemValues(item, semObj, true, g_options);
        }
      } // end for
      m_semObjs[0].getDb().commitTrans();

      if (m_changesmade == false)
        JOptionPane.showMessageDialog(
            this,
            LocaleMgr.screen.getString("NoCommonItemToPropagate"),
            ApplicationContext.getApplicationName(),
            JOptionPane.INFORMATION_MESSAGE);

    } catch (Exception e) {
      org.modelsphere.jack.util.ExceptionHandler.processUncatchedException(
          ApplicationContext.getDefaultMainFrame(), e);
    }
  } // end propagateCommonItems()