BatchWritable.java

/*
 * Copyright © 2014 Cask Data, Inc.
 *
 * Licensed 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 co.cask.cdap.api.data.batch;

/**
 * Interface for the dataset that a batch job can output to.
 * @param <KEY> The key type.
 * @param <VALUE> The value type.
 */
public interface BatchWritable<KEY, VALUE> {
  /**
   * Writes the {key, value} record into a dataset.
   *
   * @param key Key of the record.
   * @param value Value of the record.
   */
  void write(KEY key, VALUE value);
}