Package com.alibaba.ttl

Class TtlWrappers

java.lang.Object

com.alibaba.ttl.TtlWrappers

public class TtlWrappers
extends Object

Util methods for TTL Wrapper: wrap common Functional Interface.

Note:

• all methods is null-safe, when input parameter is null, return null.
• all wrap method skip wrap (aka. just return input parameter), when input parameter is already wrapped.

Since:

2.11.4

Author:

Jerry Lee (oldratlee at gmail dot com)

See Also:

TtlRunnable, TtlCallable, TtlUnwrap, TtlWrapper

Method Summary

Modifier and Type	Method	Description
static <T,U> BiConsumer<T,U>	wrap(BiConsumer<T,U> consumer)	wrap input BiConsumer to TTL wrapper.
static <T,U,R> BiFunction<T,U,R>	wrap(BiFunction<T,U,R> fn)	wrap input BiFunction to TTL wrapper.
static <T> Consumer<T>	wrap(Consumer<T> consumer)	wrap input Consumer to TTL wrapper.
static <T,R> Function<T,R>	wrap(Function<T,R> fn)	wrap input Function to TTL wrapper.
static <T> Supplier<T>	wrap(Supplier<T> supplier)	wrap input Supplier to TTL wrapper.

Methods inherited from class java.lang.Object

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

Method Detail

wrap

@Nullable
public static <T> Supplier<T> wrap(@Nullable
                                   Supplier<T> supplier)

wrap input Supplier to TTL wrapper.

Parameters:

supplier - input Supplier

Returns:

Wrapped Supplier

Since:

2.11.4

See Also:

TtlUnwrap.unwrap(Object)

wrap

@Nullable
public static <T> Consumer<T> wrap(@Nullable
                                   Consumer<T> consumer)

wrap input Consumer to TTL wrapper.

Parameters:

consumer - input Consumer

Returns:

Wrapped Consumer

Since:

2.11.4

See Also:

TtlUnwrap.unwrap(Object)

wrap

@Nullable
public static <T,U> BiConsumer<T,U> wrap(@Nullable
                                                     BiConsumer<T,U> consumer)

wrap input BiConsumer to TTL wrapper.

Parameters:

consumer - input BiConsumer

Returns:

Wrapped BiConsumer

Since:

2.11.4

See Also:

TtlUnwrap.unwrap(Object)

wrap

@Nullable
public static <T,R> Function<T,R> wrap(@Nullable
                                                   Function<T,R> fn)

wrap input Function to TTL wrapper.

Parameters:

fn - input Function

Returns:

Wrapped Function

Since:

2.11.4

See Also:

TtlUnwrap.unwrap(Object)

wrap

@Nullable
public static <T,U,R> BiFunction<T,U,R> wrap(@Nullable
                                                                     BiFunction<T,U,R> fn)

wrap input BiFunction to TTL wrapper.

Parameters:

fn - input BiFunction

Returns:

Wrapped BiFunction

Since:

2.11.4

See Also:

TtlUnwrap.unwrap(Object)