Module org.refcodes.mixin

Package org.refcodes.mixin

Interface ValueAccessor<V>

Type Parameters:

V - The type of the value to be used.

All Known Subinterfaces:

ValueAccessor.ValueProperty<V>

public interface ValueAccessor<V>

Provides access to a value property for e.g. key/value-pair.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	ValueAccessor.ValueBuilder<V,B extends ValueAccessor.ValueBuilder<V,B>>	Provides a builder method for a the property returning the builder for applying multiple build operations.
static interface	ValueAccessor.ValueMutator<V>	Extends the ValueAccessor with a setter method.
static interface	ValueAccessor.ValueProperty<V>	Extends the ValueAccessor with a setter method.

Method Summary

Modifier and Type	Method	Description
V	getValue()	Retrieves the value from the value property.
default V	getValueOr(V aValue)	Retrieves the value from the value property.

Method Details

getValue

V getValue()

Retrieves the value from the value property.

Returns:

The value stored by the value property.

getValueOr

default V getValueOr(V aValue)

Retrieves the value from the value property. If there is no value for the property, then the provided value is returned. Depending on the implementation, not present might mean null or empty as well (being "" for a String).

Parameters:

aValue - In case the value to be retrieved is null, then the given value is returned.

Returns:

The value stored by the value property or the given value if the stored value is null.