Class OptionalValue<V>

java.lang.Object

ch.nolix.system.property.value.AbstractValue<V>

ch.nolix.system.property.value.OptionalValue<V>

Type Parameters:

V - is the type of the value of a OptionalValue.

All Implemented Interfaces:

INameHolder, Clearable, EmptinessRequestable, MaterializationRequestable, IProperty, IBaseValue, IOptionalValue<V>

public final class OptionalValue<V>
extends AbstractValue<V>
implements IOptionalValue<V>

Author:

Silvan Wyss

Method Summary

Modifier and Type	Method	Description
void	clear()	Removes the elements of the current Clearable.
void	fillUpAttributesIntoList(ILinkedList<INode<?>> list)	Fills up the attributes of the current IProperty into the given list.
static OptionalValue<Boolean>	forBooleanWithNameAndSetter(String name, Consumer<Boolean> setter)
static OptionalValue<Double>	forDoubleWithNameAndSetter(String name, Consumer<Double> setter)
static <E extends IElement> OptionalValue<E>	forElementWithNameAndSetterAndValueMapper(String name, Consumer<E> setter, Function<INode<?>,E> valueMapper)
static OptionalValue<Integer>	forIntWithNameAndSetter(String name, Consumer<Integer> setter)
static OptionalValue<String>	forStringWithNameAndSetter(String name, Consumer<String> setter)
V	getStoredValue()
boolean	isEmpty()
void	setValue(V value)	Sets the given value to the current IOptionalValue.
static <T> OptionalValue<T>	withNameAndSetterAndValueMapperAndSpecificationMapper(String name, Consumer<T> setter, Function<INode<?>,T> valueMapper, Function<T,INode<?>> specificationMapper)

Methods inherited from class AbstractValue

addedOrChangedAttribute, getName, isMaterialized

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface EmptinessRequestable

containsAny

Methods inherited from interface INameHolder

getName, getNameInQuotes, hasName, hasSameNameAs

Methods inherited from interface IProperty

addedOrChangedAttribute

Methods inherited from interface MaterializationRequestable

isMaterialized, isView

Method Details

forBooleanWithNameAndSetter

public static OptionalValue<Boolean> forBooleanWithNameAndSetter(String name,
 Consumer<Boolean> setter)

Parameters:

name -

setter -

Returns:

a new OptionalValue with the given name and setter and that can store a Boolean.

Throws:

RuntimeException - if the given name is null or blank.

RuntimeException - if the given setter is null.

forDoubleWithNameAndSetter

public static OptionalValue<Double> forDoubleWithNameAndSetter(String name,
 Consumer<Double> setter)

Parameters:

name -

setter -

Returns:

a new OptionalValue with the given name and setter and that can store a Double.

Throws:

RuntimeException - if the given name is null or blank.

RuntimeException - if the given setter is null.

forElementWithNameAndSetterAndValueMapper

public static <E extends IElement> OptionalValue<E> forElementWithNameAndSetterAndValueMapper(String name,
 Consumer<E> setter,
 Function<INode<?>,E> valueMapper)

Type Parameters:

E - is the type of the value of a OptionalValue.

Parameters:

name -

setter -

valueMapper -

Returns:

a new OptionalValue with the given name, setter and valueMapperand and that can store a IElement.

Throws:

RuntimeException - if the given name is null or blank.

RuntimeException - if the given setter is null.

RuntimeException - if the given valueMapper is null.

forIntWithNameAndSetter

public static OptionalValue<Integer> forIntWithNameAndSetter(String name,
 Consumer<Integer> setter)

Parameters:

name -

setter -

Returns:

a new OptionalValue with the given name and setter and that can store a Integer.

Throws:

RuntimeException - if the given name is null or blank.

RuntimeException - if the given setter is null.

forStringWithNameAndSetter

public static OptionalValue<String> forStringWithNameAndSetter(String name,
 Consumer<String> setter)

Parameters:

name -

setter -

Returns:

a new OptionalValue with the given name and setter and that can store a String.

Throws:

RuntimeException - if the given name is null or blank.

RuntimeException - if the given setter is null.

withNameAndSetterAndValueMapperAndSpecificationMapper

public static <T> OptionalValue<T> withNameAndSetterAndValueMapperAndSpecificationMapper(String name,
 Consumer<T> setter,
 Function<INode<?>,T> valueMapper,
 Function<T,INode<?>> specificationMapper)

Type Parameters:

T - is the type of the value of a OptionalValue.

Parameters:

name -

setter -

valueMapper -

specificationMapper -

Returns:

a new OptionalValue with the given name, setter, valueMapper and specificationMapper.

Throws:

RuntimeException - if the given name is null or blank.

RuntimeException - if the given valueMapper is null.

RuntimeException - if the given specificationMapper is null.

clear

public void clear()

Removes the elements of the current Clearable.

Specified by:

clear in interface Clearable

fillUpAttributesIntoList

public void fillUpAttributesIntoList(ILinkedList<INode<?>> list)

Fills up the attributes of the current IProperty into the given list.

Specified by:

fillUpAttributesIntoList in interface IProperty

Parameters:

list -

getStoredValue

public V getStoredValue()

Specified by:

getStoredValue in interface IOptionalValue<V>

Returns:

the value of the current IOptionalValue.

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface EmptinessRequestable

Returns:

true if EmptinessRequestable does not contain an element, false otherwise.

setValue

public void setValue(V value)

Sets the given value to the current IOptionalValue.

Specified by:

setValue in interface IOptionalValue<V>

Parameters:

value -