Package com.linecorp.armeria.client.circuitbreaker

Class AbstractCircuitBreakerClient<I extends Request,O extends Response>

java.lang.Object

com.linecorp.armeria.common.util.AbstractUnwrappable<Client<T_I,T_O>>

com.linecorp.armeria.client.DecoratingClient<I,O,I,O>

com.linecorp.armeria.client.SimpleDecoratingClient<I,O>

com.linecorp.armeria.client.circuitbreaker.AbstractCircuitBreakerClient<I,O>

Type Parameters:

I - the Request type

O - the Response type

All Implemented Interfaces:

Client<I,O>, Unwrappable

Direct Known Subclasses:

CircuitBreakerClient, CircuitBreakerRpcClient

public abstract class AbstractCircuitBreakerClient<I extends Request,O extends Response>
extends SimpleDecoratingClient<I,O>

A Client decorator that handles failures of remote invocation based on circuit breaker pattern.

Method Summary

Modifier and Type	Method	Description
protected abstract O	doExecute(ClientRequestContext ctx, I req, CircuitBreaker circuitBreaker)	Invoked when the CircuitBreaker is in closed state.
O	execute(ClientRequestContext ctx, I req)	Sends a Request to a remote Endpoint, as specified in ClientRequestContext.endpoint().
protected static void	reportSuccessOrFailure(CircuitBreaker circuitBreaker, CompletionStage<CircuitBreakerDecision> future)	Reports a success or a failure to the specified CircuitBreaker according to the completed value of the specified future.

Methods inherited from class com.linecorp.armeria.common.util.AbstractUnwrappable

as, delegate, toString, unwrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.linecorp.armeria.client.Client

as, unwrap

Method Details

execute

public O execute(ClientRequestContext ctx, I req) throws Exception

Description copied from interface: Client

Sends a Request to a remote Endpoint, as specified in ClientRequestContext.endpoint().

Returns:

the Response to the specified Request

Throws:

Exception

doExecute

protected abstract O doExecute(ClientRequestContext ctx, I req, CircuitBreaker circuitBreaker) throws Exception

Invoked when the CircuitBreaker is in closed state.

Throws:

Exception

reportSuccessOrFailure

protected static void reportSuccessOrFailure(CircuitBreaker circuitBreaker, CompletionStage<CircuitBreakerDecision> future)

Reports a success or a failure to the specified CircuitBreaker according to the completed value of the specified future. If the completed value is CircuitBreakerDecision.ignore(), this doesn't do anything.