HdfsVersion (Alluxio Under File System

java.lang.Object
- java.lang.Enum<HdfsVersion>
- - alluxio.underfs.hdfs.HdfsVersion

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<HdfsVersion>
```
public enum HdfsVersion
extends java.lang.Enum<HdfsVersion>
```
The set of supported Hdfs versions.

Enum Constant Summary

Enum Constants
Enum Constant and Description
`HADOOP_1_0`
`HADOOP_1_2`
`HADOOP_2_10`
`HADOOP_2_2`
`HADOOP_2_3`
`HADOOP_2_4`
`HADOOP_2_5`
`HADOOP_2_6`
`HADOOP_2_7`
`HADOOP_2_8`
`HADOOP_2_9`
`HADOOP_3_0`
`HADOOP_3_1`
`HADOOP_3_2`
`HADOOP_3_3`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static HdfsVersion`	`find(java.lang.String versionString)`
`java.lang.String`	`getCanonicalVersion()`
`static boolean`	`matches(java.lang.String versionA, java.lang.String versionB)`
`static HdfsVersion`	`valueOf(java.lang.String name)` Returns the enum constant of this type with the specified name.
`static HdfsVersion[]`	`values()` Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Enum Constant Detail
  - HADOOP_1_0
```
public static final HdfsVersion HADOOP_1_0
```
  - HADOOP_1_2
```
public static final HdfsVersion HADOOP_1_2
```
  - HADOOP_2_2
```
public static final HdfsVersion HADOOP_2_2
```
  - HADOOP_2_3
```
public static final HdfsVersion HADOOP_2_3
```
  - HADOOP_2_4
```
public static final HdfsVersion HADOOP_2_4
```
  - HADOOP_2_5
```
public static final HdfsVersion HADOOP_2_5
```
  - HADOOP_2_6
```
public static final HdfsVersion HADOOP_2_6
```
  - HADOOP_2_7
```
public static final HdfsVersion HADOOP_2_7
```
  - HADOOP_2_8
```
public static final HdfsVersion HADOOP_2_8
```
  - HADOOP_2_9
```
public static final HdfsVersion HADOOP_2_9
```
  - HADOOP_2_10
```
public static final HdfsVersion HADOOP_2_10
```
  - HADOOP_3_0
```
public static final HdfsVersion HADOOP_3_0
```
  - HADOOP_3_1
```
public static final HdfsVersion HADOOP_3_1
```
  - HADOOP_3_2
```
public static final HdfsVersion HADOOP_3_2
```
  - HADOOP_3_3
```
public static final HdfsVersion HADOOP_3_3
```
- Method Detail
  - values
```
public static HdfsVersion[] values()
```
    Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
```
for (HdfsVersion c : HdfsVersion.values())
    System.out.println(c);
```
    Returns:
    
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static HdfsVersion valueOf(java.lang.String name)
```
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    
    Parameters:
    
    name - the name of the enum constant to be returned.
    
    Returns:
    
    the enum constant with the specified name
    
    Throws:
    
    java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
    
    java.lang.NullPointerException - if the argument is null
  - find
```
@Nullable
public static HdfsVersion find(java.lang.String versionString)
```
    Parameters:
    
    versionString - given version string
    
    Returns:
    
    the corresponding HdfsVersion instance
  - matches
```
public static boolean matches(java.lang.String versionA,
                              java.lang.String versionB)
```
    Parameters:
    
    versionA - base version
    
    versionB - version to compare
    
    Returns:
    
    if the two versions match explicitly or by pattern
  - getCanonicalVersion
```
public java.lang.String getCanonicalVersion()
```
    Returns:
    
    the canonical version string

Enum HdfsVersion

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Enum

Methods inherited from class java.lang.Object

Enum Constant Detail

HADOOP_1_0

HADOOP_1_2

HADOOP_2_2

HADOOP_2_3

HADOOP_2_4

HADOOP_2_5

HADOOP_2_6

HADOOP_2_7

HADOOP_2_8

HADOOP_2_9

HADOOP_2_10

HADOOP_3_0

HADOOP_3_1

HADOOP_3_2

HADOOP_3_3

Method Detail

values

valueOf

find

matches

getCanonicalVersion