conf.getClass(IMPORT_JOB_KEY, ImportJobBase.class);
String tableName = context.getTableName();
// Instantiate the user's chosen ImportJobBase instance.
ImportJobBase importJob = ReflectionUtils.newInstance(jobClass, conf);
// And configure the dependencies to inject
importJob.setOptions(options);
importJob.setMapperClass(mapperClass);
importJob.setInputFormatClass(ifClass);
importJob.setOutputFormatClass(ofClass);
importJob.runImport(tableName, context.getJarFile(),
getSplitColumn(options, tableName), conf);
}