Module org.jhotdraw8.fxcollection

Package org.jhotdraw8.fxcollection.typesafekey

Interface NullableKey<T>

Type Parameters:

T - the value type

All Superinterfaces:

Key<T>, MapAccessor<T>

All Known Implementing Classes:

NullableObjectKey, TransientKey

public interface NullableKey<T>
extends Key<T>

NullableKey.

Field Summary

Fields inherited from interface org.jhotdraw8.fxcollection.typesafekey.Key

serialVersionUID

Method Summary

Modifier and Type	Method	Description
default @Nullable T	get(Map<? super Key<?>,Object> a)	Gets the value of the attribute denoted by this Key from a Map.
default @Nullable T	get(ReadOnlyMap<? super Key<?>,Object> a)	Gets the value of the attribute denoted by this Key from a Map.

Methods inherited from interface org.jhotdraw8.fxcollection.typesafekey.Key

cast, containsKey, getValue, getValueProperty, isAssignable, isDefault, isNullable, propertyAt, put, put, putValue, readOnlyPropertyAt, remove, remove, valueAt

Methods inherited from interface org.jhotdraw8.fxcollection.typesafekey.MapAccessor

getDefaultValue, getName, getRawValueType, getValueType, isTransient, set

Method Details

get

default @Nullable T get(Map<? super Key<?>,Object> a)

Description copied from interface: Key

Gets the value of the attribute denoted by this Key from a Map.

Specified by:

get in interface Key<T>

Specified by:

get in interface MapAccessor<T>

Parameters:

a - A Map.

Returns:

The value of the attribute.

get

default @Nullable T get(ReadOnlyMap<? super Key<?>,Object> a)

Gets the value of the attribute denoted by this Key from a Map.

Specified by:

get in interface Key<T>

Specified by:

get in interface MapAccessor<T>

Parameters:

a - A Map.

Returns:

The value of the attribute.