org.apache.nifi

Class NiFi

java.lang.Object

org.apache.nifi.NiFi

All Implemented Interfaces:

NiFiEntryPoint

Direct Known Subclasses:

EmbeddedNiFi

public class NiFi
extends Object
implements NiFiEntryPoint

Field Summary

Fields

Modifier and Type	Field and Description
static String	BOOTSTRAP_PORT_PROPERTY
private BootstrapListener	bootstrapListener
static DateTimeFormatter	DATE_TIME_FORMATTER
private static String	KEY_FILE_FLAG
private static org.slf4j.Logger	LOGGER
private NiFiServer	nifiServer
private NiFiProperties	properties
private boolean	shutdown

Constructor Summary

Constructors

Constructor and Description
NiFi(NiFiProperties properties)
NiFi(NiFiProperties properties, ClassLoader rootClassLoader)

Method Summary

Modifier and Type	Method and Description
protected void	addShutdownHook()
protected static NiFiProperties	convertArgumentsToValidatedNiFiProperties(String[] args)
protected static NiFiProperties	convertArgumentsToValidatedNiFiProperties(String[] args, ClassLoader bootstrapClassLoader)
private static ClassLoader	createBootstrapClassLoader()
private void	detectTimingIssues() Determine if the machine we're running on has timing issues.
private void	diagnose(File file, boolean verbose)
private static String	formatHexKey(String input)
private static String	getKeyFromKeyFileAndPrune(List<String> parsedArgs)
NiFiServer	getServer()
private static NiFiProperties	initializeProperties(String[] args, ClassLoader boostrapLoader)
protected void	initLogging()
private static boolean	isHexKeyValid(String key)
private static String	loadFormattedKey(String[] args)
static void	main(String[] args) Main entry point of the application.
private static List<String>	parseArgs(String[] args)
private void	runDiagnosticsOnShutdown()
protected void	setDefaultUncaughtExceptionHandler()
protected void	shutdown()
void	shutdownHook(boolean isReload)

Methods inherited from class java.lang.Object

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

Field Detail

BOOTSTRAP_PORT_PROPERTY

public static final String BOOTSTRAP_PORT_PROPERTY

See Also:

Constant Field Values

DATE_TIME_FORMATTER

public static final DateTimeFormatter DATE_TIME_FORMATTER

LOGGER

private static final org.slf4j.Logger LOGGER

KEY_FILE_FLAG

private static final String KEY_FILE_FLAG

See Also:

Constant Field Values

nifiServer

private final NiFiServer nifiServer

bootstrapListener

private final BootstrapListener bootstrapListener

properties

private final NiFiProperties properties

shutdown

private volatile boolean shutdown

Constructor Detail

NiFi

public NiFi(NiFiProperties properties)
     throws ClassNotFoundException,
            IOException,
            IllegalArgumentException

Throws:

ClassNotFoundException

IOException

IllegalArgumentException

NiFi

public NiFi(NiFiProperties properties,
            ClassLoader rootClassLoader)
     throws ClassNotFoundException,
            IOException,
            IllegalArgumentException

Throws:

ClassNotFoundException

IOException

IllegalArgumentException

Method Detail

getServer

public NiFiServer getServer()

Specified by:

getServer in interface NiFiEntryPoint

setDefaultUncaughtExceptionHandler

protected void setDefaultUncaughtExceptionHandler()

addShutdownHook

protected void addShutdownHook()

initLogging

protected void initLogging()

createBootstrapClassLoader

private static ClassLoader createBootstrapClassLoader()

shutdownHook

public void shutdownHook(boolean isReload)

Specified by:

shutdownHook in interface NiFiEntryPoint

runDiagnosticsOnShutdown

private void runDiagnosticsOnShutdown()
                               throws IOException

Throws:

IOException

diagnose

private void diagnose(File file,
                      boolean verbose)
               throws IOException

Throws:

IOException

shutdown

protected void shutdown()

detectTimingIssues

private void detectTimingIssues()

Determine if the machine we're running on has timing issues.

main

public static void main(String[] args)

Main entry point of the application.

Parameters:

args - things which are ignored

convertArgumentsToValidatedNiFiProperties

protected static NiFiProperties convertArgumentsToValidatedNiFiProperties(String[] args)

convertArgumentsToValidatedNiFiProperties

protected static NiFiProperties convertArgumentsToValidatedNiFiProperties(String[] args,
                                                                          ClassLoader bootstrapClassLoader)

initializeProperties

private static NiFiProperties initializeProperties(String[] args,
                                                   ClassLoader boostrapLoader)

loadFormattedKey

private static String loadFormattedKey(String[] args)

getKeyFromKeyFileAndPrune

private static String getKeyFromKeyFileAndPrune(List<String> parsedArgs)

parseArgs

private static List<String> parseArgs(String[] args)

formatHexKey

private static String formatHexKey(String input)

isHexKeyValid

private static boolean isHexKeyValid(String key)