Package org.eclipse.core.databinding.observable.map

Class WritableMap<K,V>

java.lang.Object

org.eclipse.core.databinding.observable.AbstractObservable

org.eclipse.core.databinding.observable.map.ObservableMap<K,V>

org.eclipse.core.databinding.observable.map.WritableMap<K,V>

Type Parameters:

K - the type of the keys in this map

V - the type of the values in this map

All Implemented Interfaces:

Map<K,V>, IObservable, IObservableMap<K,V>

public class WritableMap<K,V>
extends ObservableMap<K,V>

This class is thread safe. All state accessing methods must be invoked from the current realm. Methods for adding and removing listeners may be invoked from any thread.

Since:

1.0

Nested Class Summary

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

Map.Entry<K extends Object,V extends Object>

Field Summary

Fields inherited from class org.eclipse.core.databinding.observable.map.ObservableMap

wrappedMap

Constructor Summary

Constructors

Constructor	Description
WritableMap()	Constructs a new WritableMap on the default realm.
WritableMap(Object keyType, Object valueType)	Constructs a new WritableMap on the default realm with the specified key and value types.
WritableMap(Realm realm)	Constructs a new WritableMap on the given realm.
WritableMap(Realm realm, Object keyType, Object valueType)	Constructs a new WritableMap on the given realm with the specified key and value types.

Method Summary

Modifier and Type	Method	Description
protected void	addListener(Object listenerType, IObservablesListener listener)
void	clear()	Clears the map.
protected Object	clone()
protected void	fireEvent(ObservableEvent event)
protected void	firstListenerAdded()
Object	getKeyType()	Returns the element type for the keyset of this observable map, or null if the keyset is untyped.
Realm	getRealm()
Object	getValueType()	Returns the element type for the values of this observable map, or null if the values collection is untyped.
protected boolean	hasListeners()
protected void	lastListenerRemoved()
V	put(K key, V value)	Associates the provided value with the key.
void	putAll(Map<? extends K,? extends V> map)	Adds the provided map's contents to this map.
V	remove(Object key)	Removes the value with the provide key.
protected void	removeListener(Object listenerType, IObservablesListener listener)

Methods inherited from class org.eclipse.core.databinding.observable.map.ObservableMap

addMapChangeListener, containsKey, containsValue, entrySet, equals, fireMapChange, get, getterCalled, hashCode, isEmpty, isStale, keySet, removeMapChangeListener, setStale, size, values

Methods inherited from class org.eclipse.core.databinding.observable.AbstractObservable

addChangeListener, addDisposeListener, addStaleListener, checkRealm, dispose, fireChange, fireStale, isDisposed, removeChangeListener, removeDisposeListener, removeStaleListener

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.core.databinding.observable.IObservable

addChangeListener, addDisposeListener, addStaleListener, dispose, getRealm, isDisposed, removeChangeListener, removeDisposeListener, removeStaleListener

Methods inherited from interface java.util.Map

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

Constructor Detail

WritableMap

public WritableMap()

Constructs a new WritableMap on the default realm.

WritableMap

public WritableMap(Realm realm)

Constructs a new WritableMap on the given realm.

Parameters:

realm - the realm

WritableMap

public WritableMap(Object keyType,
                   Object valueType)

Constructs a new WritableMap on the default realm with the specified key and value types.

Parameters:

keyType - the type of the keys in this map

valueType - the type of the values in this map

Since:

1.2

WritableMap

public WritableMap(Realm realm,
                   Object keyType,
                   Object valueType)

Constructs a new WritableMap on the given realm with the specified key and value types.

Parameters:

realm - the realm

keyType - the type of the keys in this map

valueType - the type of the values in this map

Since:

1.2

Method Detail

getKeyType

public Object getKeyType()

Description copied from interface: IObservableMap

Returns the element type for the keyset of this observable map, or null if the keyset is untyped.

Specified by:

getKeyType in interface IObservableMap<K,V>

Overrides:

getKeyType in class ObservableMap<K,V>

Returns:

the element type for the keyset of this observable map, or null if the keyset is untyped.

Since:

1.2

getValueType

public Object getValueType()

Description copied from interface: IObservableMap

Returns the element type for the values of this observable map, or null if the values collection is untyped.

Specified by:

getValueType in interface IObservableMap<K,V>

Overrides:

getValueType in class ObservableMap<K,V>

Returns:

the element type for the values of this observable map, or null if the values collection is untyped.

Since:

1.2

put

public V put(K key,
             V value)

Associates the provided value with the key. Must be invoked from the current realm.

Specified by:

put in interface IObservableMap<K,V>

Specified by:

put in interface Map<K,V>

Overrides:

put in class ObservableMap<K,V>

remove

public V remove(Object key)

Removes the value with the provide key. Must be invoked from the current realm.

Specified by:

remove in interface IObservableMap<K,V>

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class ObservableMap<K,V>

clear

public void clear()

Clears the map. Must be invoked from the current realm.

Specified by:

clear in interface Map<K,V>

Overrides:

clear in class ObservableMap<K,V>

putAll

public void putAll(Map<? extends K,? extends V> map)

Adds the provided map's contents to this map. Must be invoked from the current realm.

Specified by:

putAll in interface Map<K,V>

Overrides:

putAll in class ObservableMap<K,V>

addListener

protected void addListener(Object listenerType,
                           IObservablesListener listener)

Parameters:

listenerType - arbitrary object to identify a type of the listener

listener - the listener to add; not null

removeListener

protected void removeListener(Object listenerType,
                              IObservablesListener listener)

Parameters:

listenerType - arbitrary object to identify a type of the listener

listener - the listener to remove; not null

hasListeners

protected boolean hasListeners()

fireEvent

protected void fireEvent(ObservableEvent event)

firstListenerAdded

protected void firstListenerAdded()

lastListenerRemoved

protected void lastListenerRemoved()

getRealm

public Realm getRealm()

Returns:

Returns the realm.

clone

protected Object clone()
                throws CloneNotSupportedException

Overrides:

clone in class Object

Throws:

CloneNotSupportedException