water

Class AbstractH2OExtension

java.lang.Object

water.AbstractH2OExtension

Direct Known Subclasses:

FailedNodeWatchdogExtension

public abstract class AbstractH2OExtension
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
AbstractH2OExtension()

Method Summary

Methods

Modifier and Type	Method and Description
AbstractBuildVersion	getBuildVersion() Get extension-specific build information.
abstract java.lang.String	getExtensionName()
void	init() Any up-front initialization that needs to happen before H2O is started.
boolean	isEnabled() Is this extension enabled?
void	onLocalNodeStarted() Called during the start up process of H2OApp, after the local network connections are opened.
java.lang.String[]	parseArguments(java.lang.String[] args) Parse arguments used by this extension.
static void	parseFailed(java.lang.String message) To be called by parseArguments() on a failure.
void	printHelp() Print stuff (into System.out) for java -jar h2o.jar -help
void	printInitialized() Print a short message when the extension finishes initializing.
void	validateArguments() Validate arguments used by this extension.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractH2OExtension

public AbstractH2OExtension()

Method Detail

getExtensionName

public abstract java.lang.String getExtensionName()

Returns:

The name of this extension.

init

public void init()

Any up-front initialization that needs to happen before H2O is started. This is called in H2OApp before H2O.main() is called.

onLocalNodeStarted

public void onLocalNodeStarted()

Called during the start up process of H2OApp, after the local network connections are opened.

printHelp

public void printHelp()

Print stuff (into System.out) for java -jar h2o.jar -help

parseFailed

public static void parseFailed(java.lang.String message)

To be called by parseArguments() on a failure.

Parameters:

message - Message to give to the user.

parseArguments

public java.lang.String[] parseArguments(java.lang.String[] args)

Parse arguments used by this extension. Call parseFailed() above on a failure, which will exit H2O.

Parameters:

args - List of arguments this extension might want to consume.

Returns:

Modified list with the ones consumed by this extension removed.

validateArguments

public void validateArguments()

Validate arguments used by this extension.

getBuildVersion

public AbstractBuildVersion getBuildVersion()

Get extension-specific build information.

Returns:

build information.

printInitialized

public void printInitialized()

Print a short message when the extension finishes initializing.

isEnabled

public boolean isEnabled()

Is this extension enabled?