alluxio.master.journal.checkpoint

Interface CheckpointFormat

All Known Implementing Classes:

CompoundCheckpointFormat, InodeProtosCheckpointFormat, JournalCheckpointFormat, LongCheckpointFormat, LongsCheckpointFormat, TarballCheckpointFormat

public interface CheckpointFormat

Interface for checkpoint formats. Different components of Alluxio write checkpoints of their state using different formats. CheckpointType holds an association from checkpoint type to checkpoint format.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	CheckpointFormat.CheckpointReader Interface for checkpoint readers.

Method Summary

Modifier and Type	Method and Description
CheckpointFormat.CheckpointReader	createReader(CheckpointInputStream in)
void	parseToHumanReadable(CheckpointInputStream in, PrintStream out)

Method Detail

createReader

CheckpointFormat.CheckpointReader createReader(CheckpointInputStream in)

Parameters:

in - a checkpoint input stream

Returns:

a reader for reading from the checkpoint

parseToHumanReadable

void parseToHumanReadable(CheckpointInputStream in,
                          PrintStream out)
                   throws IOException

Parameters:

in - a checkpoint input stream

out - a print stream for writing a human-readable checkpoint representation

Throws:

IOException