alluxio.master.journal.checkpoint

Class LongsCheckpointFormat.LongsCheckpointReader

java.lang.Object

alluxio.master.journal.checkpoint.LongsCheckpointFormat.LongsCheckpointReader

All Implemented Interfaces:

CheckpointFormat.CheckpointReader

Enclosing class:

LongsCheckpointFormat

public static class LongsCheckpointFormat.LongsCheckpointReader
extends Object
implements CheckpointFormat.CheckpointReader

Reads a checkpoint of longs.

Constructor Summary

Constructors

Constructor and Description
LongsCheckpointReader(CheckpointInputStream in)

Method Summary

Modifier and Type	Method and Description
Optional<Long>	nextLong()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LongsCheckpointReader

public LongsCheckpointReader(CheckpointInputStream in)

Parameters:

in - the checkpoint stream to read from

Method Detail

nextLong

public Optional<Long> nextLong()
                        throws IOException

Returns:

the next long in the checkpoint, or empty if the reader has reached the end of the checkpoint

Throws:

IOException