Package io.blt.util

Class Obj

java.lang.Object

io.blt.util.Obj

public final class Obj
extends Object

Static utility methods for operating on Object.

Method Summary

Modifier and Type	Method	Description
static <T> T	poke(T instance, Consumer<T> consumer)	Passes the instance to the consumer, then returns the instance.
static <T> T	tap(Supplier<T> supplier, Consumer<T> consumer)	Calls the supplier to retrieve an instance which is mutated by the consumer then returned.

Methods inherited from class java.lang.Object

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

Method Details

poke

public static <T> T poke(T instance,
 Consumer<T> consumer)

Passes the instance to the consumer, then returns the instance. e.g.

 var user = Obj.poke(new User(), u -> {
     u.setName("Greg");
     u.setAge(15);
 });
 

Type Parameters:

T - type of instance

Parameters:

instance - instance to consume and return

consumer - operation to perform on instance

Returns:

instance after accepting side effects via consumer.

tap

public static <T> T tap(Supplier<T> supplier,
 Consumer<T> consumer)

Calls the supplier to retrieve an instance which is mutated by the consumer then returned. e.g.

 var user = Obj.tap(User::new, u -> {
     u.setName("Greg");
     u.setAge(15);
 });
 

Type Parameters:

T - type of instance

Parameters:

supplier - Supplies an instance to consume and return

consumer - Operation to perform on supplied instance

Returns:

Supplied instance after applying side effects via consumer.