Module org.jhotdraw8.fxcollection

Package org.jhotdraw8.fxcollection.typesafekey

Interface NonNullMapAccessor<T>

Type Parameters:

T - the value type

All Superinterfaces:

MapAccessor<T>

All Known Subinterfaces:

NonNullKey<T>

All Known Implementing Classes:

NonNullListKey, NonNullObjectKey

public interface NonNullMapAccessor<T>
extends MapAccessor<T>

NonNullMapAccessor.

Author:

Werner Randelshofer

Field Summary

Fields

Modifier and Type	Field	Description
static final long	serialVersionUID

Method Summary

Modifier and Type	Method	Description
default T	getDefaultValueNonNull()
default T	getNonNull(Map<? super Key<?>,Object> a)	Gets the value of the attribute denoted by this accessor from a Map.
default T	getNonNull(ReadOnlyMap<? super Key<?>,Object> a)	Gets the value of the attribute denoted by this accessor from a Map.
default T	putNonNull(Map<? super Key<?>,Object> a, T value)	Puts the value of the attribute denoted by this accessor from a Map.

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

containsKey, get, get, getDefaultValue, getName, getRawValueType, getValueType, isTransient, put, put, remove, remove, set

Field Details

serialVersionUID

static final long serialVersionUID

See Also:

• Constant Field Values

Method Details

getNonNull

default T getNonNull(Map<? super Key<?>,Object> a)

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

Parameters:

a - A Map.

Returns:

The value of the attribute.

getNonNull

default T getNonNull(ReadOnlyMap<? super Key<?>,Object> a)

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

Parameters:

a - A Map.

Returns:

The value of the attribute.

putNonNull

default T putNonNull(Map<? super Key<?>,Object> a,
 T value)

Puts the value of the attribute denoted by this accessor from a Map.

Parameters:

a - A map.

value - The new value.

Returns:

The old value.

getDefaultValueNonNull

default T getDefaultValueNonNull()