@Override
public S3CredentialsData getS3Credentials() {
final ResultSetExtractor<S3CredentialsData> resultSetExtractor = new S3CredentialsDataExtractor();
final String sql = "SELECT es.name, es.value FROM c_external_service es where es.name in('s3_bucket_name','s3_access_key','s3_secret_key')";
final S3CredentialsData s3CredentialsData = this.jdbcTemplate.query(sql, resultSetExtractor, new Object[] {});
return s3CredentialsData;
}