Package org.apache.hadoop.fs

Interface LeaseRecoverable

public interface LeaseRecoverable

Whether the given Path of the FileSystem has the capability to perform lease recovery.

Method Summary

Modifier and Type	Method	Description
boolean	isFileClosed(Path file)	Get the close status of a file.
boolean	recoverLease(Path file)	Start the lease recovery of a file.

Method Detail

recoverLease

boolean recoverLease(Path file)
              throws java.io.IOException

Start the lease recovery of a file.

Parameters:

file - path to a file.

Returns:

true if the file is already closed, and it does not require lease recovery.

Throws:

java.io.IOException - if an error occurs during lease recovery.

java.lang.UnsupportedOperationException - if lease recovery is not supported by this filesystem.

isFileClosed

boolean isFileClosed(Path file)
              throws java.io.IOException

Get the close status of a file.

Parameters:

file - The string representation of the path to the file

Returns:

return true if file is closed

Throws:

java.io.IOException - If an I/O error occurred

java.lang.UnsupportedOperationException - if isFileClosed is not supported by this filesystem.