org.openstreetmap.josm.tools

Class ListeningCollection<T>

java.lang.Object

java.util.AbstractCollection<T>

org.openstreetmap.josm.tools.ListeningCollection<T>

Type Parameters:

T - The entry type

All Implemented Interfaces:

java.lang.Iterable<T>, java.util.Collection<T>

public class ListeningCollection<T>
extends java.util.AbstractCollection<T>

This is a proxy of a collection that notifies a listener on every collection change

Since:

12267 (extracted from GpxData), 12156

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.List<T>	base
private java.lang.Runnable	runOnModification

Constructor Summary

Constructors

Constructor and Description
ListeningCollection(java.util.List<T> base, java.lang.Runnable runOnModification) Constructs a new ListeningCollection.

Method Summary

Modifier and Type	Method and Description
boolean	add(T e)
protected void	added(T object) Called when an object is added.
java.util.Iterator<T>	iterator()
boolean	remove(java.lang.Object o)
protected void	removed(T object) Called when an object is removed.
int	size()

Methods inherited from class java.util.AbstractCollection

addAll, clear, contains, containsAll, isEmpty, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, removeIf, spliterator, stream

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

base

private final java.util.List<T> base

runOnModification

private final java.lang.Runnable runOnModification

Constructor Detail

ListeningCollection

public ListeningCollection(java.util.List<T> base,
                           java.lang.Runnable runOnModification)

Constructs a new ListeningCollection.

Parameters:

base - base collection

runOnModification - runnable run at each modification

Since:

12269

Method Detail

iterator

public final java.util.Iterator<T> iterator()

Specified by:

iterator in interface java.lang.Iterable<T>

Specified by:

iterator in interface java.util.Collection<T>

Specified by:

iterator in class java.util.AbstractCollection<T>

size

public final int size()

Specified by:

size in interface java.util.Collection<T>

Specified by:

size in class java.util.AbstractCollection<T>

remove

public final boolean remove(java.lang.Object o)

Specified by:

remove in interface java.util.Collection<T>

Overrides:

remove in class java.util.AbstractCollection<T>

add

public final boolean add(T e)

Specified by:

add in interface java.util.Collection<T>

Overrides:

add in class java.util.AbstractCollection<T>

removed

protected void removed(T object)

Called when an object is removed.

Parameters:

object - the removed object

added

protected void added(T object)

Called when an object is added.

Parameters:

object - the added object