Package org.apache.logging.log4j.core.config

Class AppenderControlArraySet

java.lang.Object

org.apache.logging.log4j.core.config.AppenderControlArraySet

public class AppenderControlArraySet
extends java.lang.Object

Data structure with similar semantics to CopyOnWriteArraySet, but giving direct access to the underlying array.

Since:

2.6

Field Summary

Fields

Modifier and Type	Field	Description
private AppenderControl[]	appenderArray
private static java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AppenderControlArraySet,AppenderControl[]>	appenderArrayUpdater

Constructor Summary

Constructors

Constructor	Description
AppenderControlArraySet()

Method Summary

Modifier and Type	Method	Description
boolean	add(AppenderControl control)	Adds an AppenderControl to this set.
java.util.Map<java.lang.String,Appender>	asMap()	Returns all Appenders as a Map.
AppenderControl[]	clear()	Atomically sets the values to an empty array and returns the old array.
AppenderControl[]	get()	Returns the underlying array.
boolean	isEmpty()
AppenderControl	remove(java.lang.String name)	Removes the AppenderControl with the specific name and returns it (or null if no such appender existed).
private AppenderControl[]	removeElementAt(int i, AppenderControl[] array)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

appenderArrayUpdater

private static final java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AppenderControlArraySet,AppenderControl[]> appenderArrayUpdater

appenderArray

private volatile AppenderControl[] appenderArray

Constructor Detail

AppenderControlArraySet

public AppenderControlArraySet()

Method Detail

add

public boolean add(AppenderControl control)

Adds an AppenderControl to this set. If this set already contains the element, the call leaves the set unchanged and returns false.

Parameters:

control - The AppenderControl to add.

Returns:

true if this set did not already contain the specified element

remove

public AppenderControl remove(java.lang.String name)

Removes the AppenderControl with the specific name and returns it (or null if no such appender existed).

Parameters:

name - The name of the AppenderControl to remove

Returns:

the removed AppenderControl or null

removeElementAt

private AppenderControl[] removeElementAt(int i,
                                          AppenderControl[] array)

asMap

public java.util.Map<java.lang.String,Appender> asMap()

Returns all Appenders as a Map.

Returns:

a Map with the Appender name as the key and the Appender as the value.

clear

public AppenderControl[] clear()

Atomically sets the values to an empty array and returns the old array.

Returns:

the contents before this collection was cleared.

isEmpty

public boolean isEmpty()

get

public AppenderControl[] get()

Returns the underlying array.

Returns:

the array supporting this collection

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object