Package org.jdbi.v3.core.internal

Class MemoizingSupplier<T>

java.lang.Object

org.jdbi.v3.core.internal.MemoizingSupplier<T>

Type Parameters:

T - The type of the object returned by this supplier.

All Implemented Interfaces:

Supplier<T>

public class MemoizingSupplier<T>
extends Object
implements Supplier<T>

Wraps a supplier and memoizes the object returned.

See Also:

• Supplier

Field Summary

Fields

Modifier and Type	Field	Description
private final Supplier<T>	create
private Supplier<T>	delegate
private boolean	initialized
private T	value

Constructor Summary

Constructors

Modifier	Constructor	Description
private	MemoizingSupplier(Supplier<T> create)

Method Summary

Modifier and Type	Method	Description
T	get()
void	ifInitialized(Consumer<T> consumer)	Execute a method on the object returned from the supplier if the object was already created.
private T	init()
private T	internalGet()
static <T> MemoizingSupplier<T>	of(Supplier<T> supplier)

Methods inherited from class java.lang.Object

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

Field Details

create

private final Supplier<T> create

delegate

private Supplier<T> delegate

initialized

private volatile boolean initialized

value

private T value

Constructor Details

MemoizingSupplier

private MemoizingSupplier(Supplier<T> create)

Method Details

of

public static <T> MemoizingSupplier<T> of(Supplier<T> supplier)

get

public T get()

Specified by:

get in interface Supplier<T>

internalGet

private T internalGet()

ifInitialized

public void ifInitialized(Consumer<T> consumer)

Execute a method on the object returned from the supplier if the object was already created. Skips execution if the underlying object was never created.

Parameters:

consumer - A consumer for the object returned by this supplier.

init

private T init()