Journal (Alluxio Tests 2.7.2 API)

java.lang.Object
- alluxio.master.backcompat.Journal

```
public final class Journal
extends java.lang.Object
```
Class representing a journal used by the backwards compatibility test.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getDir()`
`Version`	`getVersion()`
`boolean`	`isBackup()`
`static java.util.Optional<Journal>`	`parse(java.lang.String path)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - isBackup
```
public boolean isBackup()
```
    Returns:
    
    whether this is a journal backup, as opposed to a full journal directory
  - getDir
```
public java.lang.String getDir()
```
    Returns:
    
    the absolute directory of the journal
  - getVersion
```
public Version getVersion()
```
    Returns:
    
    the version of the journal
  - parse
```
public static java.util.Optional<Journal> parse(java.lang.String path)
```
    Parameters:
    
    path - an absolute path of an Alluxio journal or journal backup
    
    Returns:
    
    the constructed Journal