org.jboss.logmanager

Class MDC

java.lang.Object

org.jboss.logmanager.MDC

public final class MDC
extends java.lang.Object

Mapped diagnostic context. This is a thread-local map used to hold loggable information.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	MDC.Holder

Field Summary

Fields

Modifier and Type	Field and Description
private static MDC.Holder	mdc

Constructor Summary

Constructors

Modifier	Constructor and Description
private	MDC()

Method Summary

Modifier and Type	Method and Description
static void	clear() Clear the current MDC map.
static java.util.Map<java.lang.String,java.lang.String>	copy() Get a copy of the MDC map.
static java.util.Map<java.lang.String,java.lang.Object>	copyObject() Get a copy of the MDC map.
(package private) static FastCopyHashMap<java.lang.String,java.lang.String>	fastCopy()
(package private) static FastCopyHashMap<java.lang.String,java.lang.Object>	fastCopyObject()
static java.lang.String	get(java.lang.String key) Get the value for a key, or null if there is no mapping.
static java.lang.Object	getObject(java.lang.String key) Get the value for a key, or null if there is no mapping.
static java.lang.String	put(java.lang.String key, java.lang.String value) Set the value of a key, returning the old value (if any) or null if there was none.
static java.lang.Object	putObject(java.lang.String key, java.lang.Object value) Set the value of a key, returning the old value (if any) or null if there was none.
static java.lang.String	remove(java.lang.String key) Remove a key.
static java.lang.Object	removeObject(java.lang.String key) Remove a key.

Methods inherited from class java.lang.Object

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

Field Detail

mdc

private static final MDC.Holder mdc

Constructor Detail

MDC

private MDC()

Method Detail

get

public static java.lang.String get(java.lang.String key)

Get the value for a key, or null if there is no mapping.

Parameters:

key - the key

Returns:

the value

getObject

public static java.lang.Object getObject(java.lang.String key)

Get the value for a key, or null if there is no mapping.

Parameters:

key - the key

Returns:

the value

put

public static java.lang.String put(java.lang.String key,
                                   java.lang.String value)

Set the value of a key, returning the old value (if any) or null if there was none.

Parameters:

key - the key

value - the new value

Returns:

the old value or null if there was none

putObject

public static java.lang.Object putObject(java.lang.String key,
                                         java.lang.Object value)

Set the value of a key, returning the old value (if any) or null if there was none.

Parameters:

key - the key

value - the new value

Returns:

the old value or null if there was none

remove

public static java.lang.String remove(java.lang.String key)

Remove a key.

Parameters:

key - the key

Returns:

the old value or null if there was none

removeObject

public static java.lang.Object removeObject(java.lang.String key)

Remove a key.

Parameters:

key - the key

Returns:

the old value or null if there was none

copy

public static java.util.Map<java.lang.String,java.lang.String> copy()

Get a copy of the MDC map. This is a relatively expensive operation.

Returns:

a copy of the map

fastCopy

static FastCopyHashMap<java.lang.String,java.lang.String> fastCopy()

copyObject

public static java.util.Map<java.lang.String,java.lang.Object> copyObject()

Get a copy of the MDC map. This is a relatively expensive operation.

Returns:

a copy of the map

fastCopyObject

static FastCopyHashMap<java.lang.String,java.lang.Object> fastCopyObject()

clear

public static void clear()

Clear the current MDC map.