Package io.github.resilience4j.core

Class ContextPropagator.EmptyContextPropagator<T>

java.lang.Object

io.github.resilience4j.core.ContextPropagator.EmptyContextPropagator<T>

Type Parameters:

T - type of class.

All Implemented Interfaces:

ContextPropagator<T>

Enclosing interface:

ContextPropagator<T>

public static class ContextPropagator.EmptyContextPropagator<T>
extends Object
implements ContextPropagator<T>

A convenient implementation of empty ContextPropagator

Nested Class Summary

Nested classes/interfaces inherited from interface io.github.resilience4j.core.ContextPropagator

ContextPropagator.EmptyContextPropagator<T>

Field Summary

Fields inherited from interface io.github.resilience4j.core.ContextPropagator

CONTEXT_PROPAGATOR_LIST_SHOULD_BE_NON_NULL

Constructor Summary

Constructors

Constructor	Description
EmptyContextPropagator()

Method Summary

Modifier and Type	Method	Description
Consumer<Optional<T>>	clear()	CleanUp value before thread execution finish.
Consumer<Optional<T>>	copy()	Copies value from the parent thread into new executing thread.
Supplier<Optional<T>>	retrieve()	Retrieves value from the currently executing thread.

Methods inherited from class java.lang.Object

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

Constructor Details

EmptyContextPropagator

public EmptyContextPropagator()

Method Details

retrieve

public Supplier<Optional<T>> retrieve()

Description copied from interface: ContextPropagator

Retrieves value from the currently executing thread. This method should produce values (as Supplier) that needs to be propagated to new thread.

Specified by:

retrieve in interface ContextPropagator<T>

Returns:

a Supplier producing the value from current thread

copy

public Consumer<Optional<T>> copy()

Description copied from interface: ContextPropagator

Copies value from the parent thread into new executing thread. This method is passed with the values received from method ContextPropagator.retrieve() in the parent thread.

Specified by:

copy in interface ContextPropagator<T>

Returns:

a Consumer to set values in new thread.

clear

public Consumer<Optional<T>> clear()

Description copied from interface: ContextPropagator

CleanUp value before thread execution finish. This method is passed with the values received from method ContextPropagator.retrieve() in the parent thread.

Specified by:

clear in interface ContextPropagator<T>

Returns:

a Consumer to cleanUp values.