org.springframework.statemachine.support

Class ObservableMap<K,V>

java.lang.Object

org.springframework.statemachine.support.ObservableMap<K,V>

Type Parameters:

K - the type of key

V - the type of value

All Implemented Interfaces:

java.util.Map<K,V>

public class ObservableMap<K,V>
extends java.lang.Object
implements java.util.Map<K,V>

Utility class which wraps Map and notifies ObservableMap.MapChangeListener of changes for individual change operations.

Author:

Janne Valkealahti

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ObservableMap.MapChangeListener<K,V> The listener interface for receiving map change events.

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
ObservableMap() Instantiates a new observable map.
ObservableMap(java.util.Map<K,V> map, ObservableMap.MapChangeListener<K,V> listener) Instantiates a new observable map.

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
java.util.Set<java.util.Map.Entry<K,V>>	entrySet()
V	get(java.lang.Object key)
java.util.Map<K,V>	getDelegate() Gets the delegating map instance.
boolean	isEmpty()
java.util.Set<K>	keySet()
V	put(K key, V value)
void	putAll(java.util.Map<? extends K,? extends V> m)
V	remove(java.lang.Object key)
void	setDelegate(java.util.Map<K,V> delegate) Sets the delegate.
void	setListener(ObservableMap.MapChangeListener<K,V> listener) Sets the map change listener.
int	size()
java.lang.String	toString()
java.util.Collection<V>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Detail

ObservableMap

public ObservableMap()

Instantiates a new observable map.

ObservableMap

public ObservableMap(java.util.Map<K,V> map,
                     ObservableMap.MapChangeListener<K,V> listener)

Instantiates a new observable map.

Parameters:

map - the delegating map

listener - the map change listener

Method Detail

size

public int size()

Specified by:

size in interface java.util.Map<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map<K,V>

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map<K,V>

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface java.util.Map<K,V>

get

public V get(java.lang.Object key)

Specified by:

get in interface java.util.Map<K,V>

put

public V put(K key,
             V value)

Specified by:

put in interface java.util.Map<K,V>

remove

public V remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<K,V>

putAll

public void putAll(java.util.Map<? extends K,? extends V> m)

Specified by:

putAll in interface java.util.Map<K,V>

clear

public void clear()

Specified by:

clear in interface java.util.Map<K,V>

keySet

public java.util.Set<K> keySet()

Specified by:

keySet in interface java.util.Map<K,V>

values

public java.util.Collection<V> values()

Specified by:

values in interface java.util.Map<K,V>

entrySet

public java.util.Set<java.util.Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface java.util.Map<K,V>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getDelegate

public java.util.Map<K,V> getDelegate()

Gets the delegating map instance.

Returns:

the delegate

setDelegate

public void setDelegate(java.util.Map<K,V> delegate)

Sets the delegate.

Parameters:

delegate - the delegate

setListener

public void setListener(ObservableMap.MapChangeListener<K,V> listener)

Sets the map change listener.

Parameters:

listener - the listener