alluxio-master-2.x/core/client/fs/src/main/java/alluxio/client/CanUnbuffer.java
/*
 * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
 * (the "License"). You may not use this work except in compliance with the License, which is
 * available at www.apache.org/licenses/LICENSE-2.0
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied, as more fully set forth in the License.
 *
 * See the NOTICE file distributed with this work for information regarding copyright ownership.
 */

package alluxio.client;

/**
 * indicate that InputStream can clear their buffers on request.
 */
public interface CanUnbuffer {
  /**
   * Reduce the buffering. This will also free sockets and file descriptors held by the stream,
   * if possible.
   */
  void unbuffer();
}
