org.apache.hadoop.hdfs.server.namenode

类 MetaRecoveryContext

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.MetaRecoveryContext

public final class MetaRecoveryContext
extends Object

Context data for an ongoing NameNode recovery process.

字段概要

字段

限定符和类型	字段和说明
static int	FORCE_ALL
static int	FORCE_FIRST_CHOICE
static int	FORCE_NONE
static org.apache.commons.logging.Log	LOG

构造器概要

构造器

构造器和说明
MetaRecoveryContext(int force)

方法概要

方法

限定符和类型	方法和说明
String	ask(String prompt, String firstChoice, String... choices) Display a prompt to the user and get his or her choice.
static void	editLogLoaderPrompt(String prompt, MetaRecoveryContext recovery)
void	quit() Log a message and quit

从类继承的方法 java.lang.Object

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

字段详细资料

LOG

public static final org.apache.commons.logging.Log LOG

FORCE_NONE

public static final int FORCE_NONE

另请参阅:

常量字段值

FORCE_FIRST_CHOICE

public static final int FORCE_FIRST_CHOICE

另请参阅:

常量字段值

FORCE_ALL

public static final int FORCE_ALL

另请参阅:

常量字段值

构造器详细资料

MetaRecoveryContext

public MetaRecoveryContext(int force)

方法详细资料

ask

public String ask(String prompt,
         String firstChoice,
         String... choices)
           throws IOException

Display a prompt to the user and get his or her choice.

参数:

prompt - The prompt to display

c1 - Choice 1

choices - Other choies

返回:

The choice that was taken

抛出:

IOException

quit

public void quit()

Log a message and quit

editLogLoaderPrompt

public static void editLogLoaderPrompt(String prompt,
                       MetaRecoveryContext recovery)
                                throws IOException

抛出:

IOException