/*
 * 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.hive.serde2;

import org.apache.hadoop.hive.conf.HiveConf;

/**
 * A Hive Serializer/Deserializer.
 */
public interface SerDe {

  /**
   * Returns statistics collected when (de)serializing.
   *
   * @return {@link SerDeStats} object; or in case not supported: null
   */
  SerDeStats getSerDeStats();

  /**
   * Adds SerDe specific configurations to job conf.
   * @param conf the job conf.
   */
  default void handleJobLevelConfiguration(HiveConf conf) {
    // Do nothing
  }
}
