OpenJDK 1.22 · java.beans.ChangeListenerMap · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
private Map<String, L[]>	map

Access	Constructor and Description
pack-priv	ChangeListenerMap()

Method Summary

Modifier and Type	Method and Description
public final synchronized void	add(String the name of the property to listen on name, L the listener to process events listener) Adds a listener to the list of listeners for the specified property.
public abstract L	Returns: a real listener extract(L listener) Extracts a real listener from the proxy listener.
public final synchronized L[]	Returns: the corresponding list of listeners get(String the name of the property name) Returns the list of listeners for the specified property.
public final Set<Map.Entry<String, L[]>>	Returns: a set of entries from the map getEntries() Returns a set of entries from the map.
public final synchronized L[]	Returns: an array of all listeners getListeners() Returns all listeners in the map.
public final L[]	Returns: an array of listeners for the named property getListeners(String the name of the property name) Returns listeners that have been associated with the named property.
public final synchronized boolean	Returns: `true` if at least one listener exists or `false` otherwise hasListeners(String the name of the property name) Indicates whether the map contains at least one listener to be notified.
protected abstract L[]	Returns: an array with specified length newArray(int the array length length) Creates an array of listeners.
protected abstract L	Returns: a proxy listener newProxy(String the name of the property to listen on name, L the listener to process events listener) Creates a proxy listener for the specified property.
public final synchronized void	remove(String the name of the property to listen on name, L the listener to process events listener) Removes a listener from the list of listeners for the specified property.
public final void	set(String the name of the property name, L[] new list of listeners listeners) Sets new list of listeners for the specified property.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

map	back to summary
private Map<String, L[]> map

ChangeListenerMap	back to summary
pack-priv ChangeListenerMap()

Method Detail

add	back to summary
public final synchronized void add(String name, L listener) Adds a listener to the list of listeners for the specified property. This listener is called as many times as it was added. Parameters name:String the name of the property to listen on listener:L the listener to process events

add

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public final synchronized void add(String name, L listener)

Adds a listener to the list of listeners for the specified property. This listener is called as many times as it was added.

Parameters

name:String: the name of the property to listen on
listener:L: the listener to process events

extract	back to summary
public abstract L extract(L listener) Extracts a real listener from the proxy listener. It is necessary because default proxy class is not serializable. Returns:L a real listener

extract

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public abstract L extract(L listener)

Extracts a real listener from the proxy listener. It is necessary because default proxy class is not serializable.

Returns:L: a real listener

get	back to summary
public final synchronized L[] get(String name) Returns the list of listeners for the specified property. Parameters name:String the name of the property Returns:L[] the corresponding list of listeners

get

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public final synchronized L[] get(String name)

Returns the list of listeners for the specified property.

Parameters

name:String: the name of the property

Returns:L[]

the corresponding list of listeners

getEntries	back to summary
public final Set<Map.Entry<String, L[]>> getEntries() Returns a set of entries from the map. Each entry is a pair consisted of the property name and the corresponding list of listeners. Returns:Set<Map.Entry<String, L[]>> a set of entries from the map

getEntries

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public final Set<Map.Entry<String, L[]>> getEntries()

Returns a set of entries from the map. Each entry is a pair consisted of the property name and the corresponding list of listeners.

Returns:Set<Map.Entry<String, L[]>>: a set of entries from the map

getListeners	back to summary
public final synchronized L[] getListeners() Returns all listeners in the map. Returns:L[] an array of all listeners

getListeners

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public final synchronized L[] getListeners()

Returns all listeners in the map.

Returns:L[]: an array of all listeners

getListeners	back to summary
public final L[] getListeners(String name) Returns listeners that have been associated with the named property. Parameters name:String the name of the property Returns:L[] an array of listeners for the named property

getListeners

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public final L[] getListeners(String name)

Returns listeners that have been associated with the named property.

Parameters

name:String: the name of the property

Returns:L[]

an array of listeners for the named property

hasListeners back to summary

hasListeners	back to summary
public final synchronized boolean hasListeners(String name) Indicates whether the map contains at least one listener to be notified. Parameters name:String the name of the property Returns:boolean `true` if at least one listener exists or `false` otherwise

public final synchronized boolean hasListeners(String name)

Indicates whether the map contains at least one listener to be notified.

Parameters

name:String: the name of the property

Returns:boolean

true if at least one listener exists or false otherwise

newArray back to summary

newArray	back to summary
protected abstract L[] newArray(int length) Creates an array of listeners. This method can be optimized by using the same instance of the empty array when `length` is equal to `0`. Parameters length:int the array length Returns:L[] an array with specified length

protected abstract L[] newArray(int length)

Creates an array of listeners. This method can be optimized by using the same instance of the empty array when length is equal to 0.

Parameters

length:int: the array length

Returns:L[]

an array with specified length

newProxy	back to summary
protected abstract L newProxy(String name, L listener) Creates a proxy listener for the specified property. Parameters name:String the name of the property to listen on listener:L the listener to process events Returns:L a proxy listener

newProxy

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protected abstract L newProxy(String name, L listener)

Creates a proxy listener for the specified property.

Parameters

name:String: the name of the property to listen on
listener:L: the listener to process events

Returns:L

a proxy listener

remove	back to summary
public final synchronized void remove(String name, L listener) Removes a listener from the list of listeners for the specified property. If the listener was added more than once to the same event source, this listener will be notified one less time after being removed. Parameters name:String the name of the property to listen on listener:L the listener to process events

remove

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public final synchronized void remove(String name, L listener)

Removes a listener from the list of listeners for the specified property. If the listener was added more than once to the same event source, this listener will be notified one less time after being removed.

Parameters

name:String: the name of the property to listen on
listener:L: the listener to process events

set	back to summary
public final void set(String name, L[] listeners) Sets new list of listeners for the specified property. Parameters name:String the name of the property listeners:L[] new list of listeners

set

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public final void set(String name, L[] listeners)

Sets new list of listeners for the specified property.

Parameters

name:String: the name of the property
listeners:L[]: new list of listeners

pack-priv abstract Class ChangeListenerMap<L extends EventListener>

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail