Package org.apache.hadoop.hbase.util

Class ShutdownHookManager

java.lang.Object

org.apache.hadoop.hbase.util.ShutdownHookManager

Direct Known Subclasses:

ShutdownHookManager.ShutdownHookManagerV1, ShutdownHookManager.ShutdownHookManagerV2

@Private
public abstract class ShutdownHookManager
extends Object

This class provides ShutdownHookManager shims for HBase to interact with the Hadoop 1.0.x and the Hadoop 2.0+ series. NOTE: No testing done against 0.22.x, or 0.21.x.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	ShutdownHookManager.ShutdownHookManagerV1
private static class	ShutdownHookManager.ShutdownHookManagerV2

Field Summary

Fields

Modifier and Type	Field	Description
private static ShutdownHookManager	instance
(package private) static Class	shutdownHookManagerClass

Constructor Summary

Constructors

Constructor	Description
ShutdownHookManager()

Method Summary

Modifier and Type	Method	Description
abstract void	addShutdownHook(Thread shutdownHook, int priority)
static void	affixShutdownHook(Thread shutdownHook, int priority)
static boolean	deleteShutdownHook(Runnable shutdownHook)
abstract boolean	removeShutdownHook(Runnable shutdownHook)

Methods inherited from class java.lang.Object

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

Field Details

instance

private static ShutdownHookManager instance

shutdownHookManagerClass

static Class shutdownHookManagerClass

Constructor Details

ShutdownHookManager

public ShutdownHookManager()

Method Details

addShutdownHook

public abstract void addShutdownHook(Thread shutdownHook,
 int priority)

removeShutdownHook

public abstract boolean removeShutdownHook(Runnable shutdownHook)

affixShutdownHook

public static void affixShutdownHook(Thread shutdownHook,
 int priority)

deleteShutdownHook

public static boolean deleteShutdownHook(Runnable shutdownHook)