org.atlanmod.commons

Class LazyLong

java.lang.Object

org.atlanmod.commons.LazyLong

@ParametersAreNonnullByDefault
public final class LazyLong
extends Object

An object that automatically loads a long by using a LongSupplier during the first call to getAsLong().

Method Summary

Modifier and Type	Method and Description
long	getAsLong() Gets the wrapped value.
void	ifLoaded(LongConsumer consumer) If a value is loaded, invoke the specified consumer with the value, otherwise do nothing.
boolean	isLoaded() Returns true if the value has been loaded.
static LazyLong	of(long value) Creates a new lazy long with the embed value.
void	unload() Unloads the wrapped value.
void	update(long newValue) Updates the wrapped value.
void	update(LongUnaryOperator updateOperator) Updates the wrapped value with a LongUnaryOperator.
static LazyLong	with(LongSupplier loadFunction) Creates a new lazy long with the LongSupplier to load the embed value.

Methods inherited from class java.lang.Object

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

Method Detail

of

@Nonnull
public static LazyLong of(long value)

Creates a new lazy long with the embed value.

Parameters:

value - the embed value

Returns:

a new lazy object

with

@Nonnull
public static LazyLong with(LongSupplier loadFunction)

Creates a new lazy long with the LongSupplier to load the embed value.

Parameters:

loadFunction - the function used to load the value

Returns:

a new lazy object

getAsLong

public long getAsLong()

Gets the wrapped value. On the first call, the object is created.

Returns:

the value

update

public void update(long newValue)

Updates the wrapped value.

Parameters:

newValue - the new value

update

public void update(LongUnaryOperator updateOperator)

Updates the wrapped value with a LongUnaryOperator.

Parameters:

updateOperator - the operator to update the wrapped value

isLoaded

public boolean isLoaded()

Returns true if the value has been loaded.

Returns:

true if the value has been loaded

ifLoaded

public void ifLoaded(LongConsumer consumer)

If a value is loaded, invoke the specified consumer with the value, otherwise do nothing.

Parameters:

consumer - action to be executed if a value is present

unload

public void unload()

Unloads the wrapped value. If the value is not loaded, then this method does nothing.