org.apache.hadoop.util

Class VersionInfo

java.lang.Object

org.apache.hadoop.util.VersionInfo

@InterfaceAudience.Public
@InterfaceStability.Stable
public class VersionInfo
extends Object

This class returns build information about Hadoop components.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	VersionInfo(String component)

Method Summary

Methods

Modifier and Type	Method and Description
protected String	_getBranch()
protected String	_getBuildVersion()
protected String	_getDate()
protected String	_getProtocVersion()
protected String	_getRevision()
protected String	_getSrcChecksum()
protected String	_getUrl()
protected String	_getUser()
protected String	_getVersion()
static String	getBranch() Get the branch on which this originated.
static String	getBuildVersion() Returns the buildVersion which includes version, revision, user and date.
static String	getDate() The date that Hadoop was compiled.
static String	getProtocVersion() Returns the protoc version used for the build.
static String	getRevision() Get the Git commit hash of the repository when compiled.
static String	getSrcChecksum() Get the checksum of the source files from which Hadoop was built.
static String	getUrl() Get the URL for the Hadoop repository.
static String	getUser() The user that compiled Hadoop.
static String	getVersion() Get the Hadoop version.
static void	main(String[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

VersionInfo

protected VersionInfo(String component)

Method Detail

_getVersion

protected String _getVersion()

_getRevision

protected String _getRevision()

_getBranch

protected String _getBranch()

_getDate

protected String _getDate()

_getUser

protected String _getUser()

_getUrl

protected String _getUrl()

_getSrcChecksum

protected String _getSrcChecksum()

_getBuildVersion

protected String _getBuildVersion()

_getProtocVersion

protected String _getProtocVersion()

getVersion

public static String getVersion()

Get the Hadoop version.

Returns:

the Hadoop version string, eg. "0.6.3-dev"

getRevision

public static String getRevision()

Get the Git commit hash of the repository when compiled.

Returns:

the commit hash, eg. "18f64065d5db6208daf50b02c1b5ed4ee3ce547a"

getBranch

public static String getBranch()

Get the branch on which this originated.

Returns:

The branch name, e.g. "trunk" or "branches/branch-0.20"

getDate

public static String getDate()

The date that Hadoop was compiled.

Returns:

the compilation date in unix date format

getUser

public static String getUser()

The user that compiled Hadoop.

Returns:

the username of the user

getUrl

public static String getUrl()

Get the URL for the Hadoop repository.

Returns:

the URL of the Hadoop repository

getSrcChecksum

public static String getSrcChecksum()

Get the checksum of the source files from which Hadoop was built.

Returns:

the checksum of the source files

getBuildVersion

public static String getBuildVersion()

Returns the buildVersion which includes version, revision, user and date.

Returns:

the buildVersion

getProtocVersion

public static String getProtocVersion()

Returns the protoc version used for the build.

Returns:

the protoc version

main

public static void main(String[] args)