/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.yarn.server.timelineservice.storage.common;

/**
 * Type safe column family.
 *
 * @param <T> refers to the table for which this column family is used for.
 */
public interface ColumnFamily<T extends BaseTable<T>> {

  /**
   * Keep a local copy if you need to avoid overhead of repeated cloning.
   *
   * @return a clone of the byte representation of the column family.
   */
  byte[] getBytes();

}