io.cdap.plugin.DataSizeReporter Maven / Gradle / Ivy

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/*
 * Copyright © 2020 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 io.cdap.plugin;

/**
 * Reports data size.
 *
 */
public interface DataSizeReporter {
  /**
   * Get the total size in bytes of data written.
   * @returns number of bytes written.
   */
  long getBytesWritten();

  /**
   * Get the total size in bytes of data read.
   * @returns number of bytes read.
   */
  long getBytesRead();
}