alluxio.check

Class UpdateCheck

java.lang.Object

alluxio.check.UpdateCheck

@ThreadSafe
public final class UpdateCheck
extends Object

Check for updates.

Field Summary

Fields

Modifier and Type	Field and Description
static String	USER_AGENT_SEPARATOR

Method Summary

Modifier and Type	Method and Description
static void	addIfTrue(boolean valid, List<String> features, String featureName) Add feature name if condition is true.
static void	addUserAgentEnvironments(List<String> info) Adds the information of user environment to given list.
static void	addUserAgentFeatures(List<String> info) Get the feature's information.
static String	getLatestVersion(String id, List<String> additionalInfo, long connectionRequestTimeout, long connectTimeout, long socketTimeout)
static String	getUserAgentString(String id, List<String> additionalInfo)

Methods inherited from class java.lang.Object

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

Field Detail

USER_AGENT_SEPARATOR

public static final String USER_AGENT_SEPARATOR

See Also:

Constant Field Values

Method Detail

getLatestVersion

public static String getLatestVersion(String id,
                                      List<String> additionalInfo,
                                      long connectionRequestTimeout,
                                      long connectTimeout,
                                      long socketTimeout)
                               throws IOException

Parameters:

id - the id of the current Alluxio identity (e.g. cluster id, instance id)

additionalInfo - additional information to send

connectionRequestTimeout - the connection request timeout for the HTTP request in ms

connectTimeout - the connection timeout for the HTTP request in ms

socketTimeout - the socket timeout for the HTTP request in ms

Returns:

the latest Alluxio version string

Throws:

IOException

getUserAgentString

public static String getUserAgentString(String id,
                                        List<String> additionalInfo)

Parameters:

id - the id of the current Alluxio identity (e.g. cluster id, instance id)

additionalInfo - additional information to add to result string

Returns:

a string representation of the user's environment in the format "Alluxio/{ALLUXIO_VERSION} (valueA; valueB)"

addUserAgentEnvironments

public static void addUserAgentEnvironments(List<String> info)

Adds the information of user environment to given list.

Parameters:

info - the list to add info to

addUserAgentFeatures

public static void addUserAgentFeatures(List<String> info)

Get the feature's information.

Parameters:

info - the list to add info to

addIfTrue

public static void addIfTrue(boolean valid,
                             List<String> features,
                             String featureName)

Add feature name if condition is true.

Parameters:

valid - true, if condition is valid

features - feature list

featureName - feature name