de.saxsys.bindablefx

Class ValueContainer<TValue>

java.lang.Object

de.saxsys.bindablefx.ValueContainer<TValue>

public class ValueContainer<TValue>
extends Object

This class represents a container for a value. It allows to determine if the container currently has a value and also allows for NULL to be recognised as a valid value.

Author:

Xyanid on 05.08.2016.

Constructor Summary

Constructors

Constructor and Description
ValueContainer()

Method Summary

Modifier and Type	Method and Description
void	clearValue() Clears the value and marks this ValueContainer has not having a value.
TValue	getValue() Returns the value.
boolean	hasValue() Determines if this containers value has been set at one point in time.
void	ifPresent(@NotNull Consumer<TValue> consumer) Calls the given Consumer if this ValueContainer currently has a value.
void	setValue(TValue value) Sets the value and also marks this ValueContainer as having a value.

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueContainer

public ValueContainer()

Method Detail

hasValue

public boolean hasValue()

Determines if this containers value has been set at one point in time.

Returns:

true if the value has been set, otherwise false.

getValue

@Nullable
public TValue getValue()

Returns the value.

Returns:

the value.

setValue

public void setValue(@Nullable
                     TValue value)

Sets the value and also marks this ValueContainer as having a value.

Parameters:

value - the value that is to bet set.

clearValue

public void clearValue()

Clears the value and marks this ValueContainer has not having a value.

ifPresent

public void ifPresent(@NotNull
                      @NotNull Consumer<TValue> consumer)

Calls the given Consumer if this ValueContainer currently has a value.

Parameters:

consumer - the Consumer to use for this ValueContainers value if it has one.