public Class<? extends ViewDataMigrator> getDataMigratorClass(ClassLoader cl) throws ClassNotFoundException {
    if (dataMigratorClass == null) {
      dataMigratorClass = cl.loadClass(dataMigrator).asSubclass(ViewDataMigrator.class);
    }
    return dataMigratorClass;
  }
Get the view class.

@param cl the class loader

@return the view class

@throws ClassNotFoundException if the class can not be loaded
ambari-server/src/main/java/org/apache/ambari/server/view/configuration/ViewConfig.java