Package org.apache.hadoop.io

Interface ReadaheadPool.ReadaheadRequest

Enclosing class:
ReadaheadPool
public static interface ReadaheadPool.ReadaheadRequest
An outstanding readahead request that has been submitted to the pool. This request may be pending or may have been completed.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    cancel()
    Cancels the request for readahead.
    long
    getLength()
     
    long
    getOffset()
     

  • Method Details

    • cancel

      void cancel()
      Cancels the request for readahead. This should be used if the reader no longer needs the requested data, before closing the related file descriptor. It is safe to use even if the readahead request has already been fulfilled.

    • getOffset

      long getOffset()
      Returns:
      the requested offset

    • getLength

      long getLength()
      Returns:
      the requested length