io.sermant.flowcontrol.res4j.chain.handler

Class CircuitBreakerRequestHandler

java.lang.Object

io.sermant.flowcontrol.res4j.chain.AbstractChainHandler

io.sermant.flowcontrol.res4j.chain.handler.FlowControlHandler<io.github.resilience4j.circuitbreaker.CircuitBreaker>

io.sermant.flowcontrol.res4j.chain.handler.CircuitBreakerRequestHandler

All Implemented Interfaces:

RequestHandler, Comparable<AbstractChainHandler>

Direct Known Subclasses:

CircuitBreakerClientReqHandler, CircuitBreakerServerReqHandler, InstanceIsolationRequestHandler

public class CircuitBreakerRequestHandler
extends FlowControlHandler<io.github.resilience4j.circuitbreaker.CircuitBreaker>

Circuit Breaker handler

Since:

2022-07-05

Author:

zhouss

Field Summary

Fields inherited from class io.sermant.flowcontrol.res4j.chain.AbstractChainHandler

XDS_FLOW_CONTROL_CONFIG

Constructor Summary

Constructors

Constructor and Description
CircuitBreakerRequestHandler()

Method Summary

Modifier and Type	Method and Description
protected String	getContextName() Get the name of the current cache context
protected CircuitBreakerHandler	getHandler() Get the controller
int	getOrder() priority
protected String	getStartTime() Get the start time of the current cache context
protected boolean	isSkip(RequestContext context, io.sermant.flowcontrol.common.entity.FlowControlScenario scenario) whether to skip the current handler
void	onBefore(RequestContext context, io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario) request processing
void	onResult(RequestContext context, io.sermant.flowcontrol.common.entity.FlowControlScenario scenario, Object result) response processing
void	onThrow(RequestContext context, io.sermant.flowcontrol.common.entity.FlowControlScenario scenario, Throwable throwable) response processing

Methods inherited from class io.sermant.flowcontrol.res4j.chain.handler.FlowControlHandler

getHandlersFromCache

Methods inherited from class io.sermant.flowcontrol.res4j.chain.AbstractChainHandler

compareTo, direct, equals, getNext, hashCode, setNext

Methods inherited from class java.lang.Object

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

Constructor Detail

CircuitBreakerRequestHandler

public CircuitBreakerRequestHandler()

Method Detail

onBefore

public void onBefore(RequestContext context,
                     io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario)

Description copied from interface: RequestHandler

request processing

Specified by:

onBefore in interface RequestHandler

Overrides:

onBefore in class AbstractChainHandler

Parameters:

context - request context

flowControlScenario - matched business information

onThrow

public void onThrow(RequestContext context,
                    io.sermant.flowcontrol.common.entity.FlowControlScenario scenario,
                    Throwable throwable)

Description copied from interface: RequestHandler

response processing

Specified by:

onThrow in interface RequestHandler

Overrides:

onThrow in class AbstractChainHandler

Parameters:

context - request context

scenario - matched business information

throwable - throwable

onResult

public void onResult(RequestContext context,
                     io.sermant.flowcontrol.common.entity.FlowControlScenario scenario,
                     Object result)

Description copied from interface: RequestHandler

response processing

Specified by:

onResult in interface RequestHandler

Overrides:

onResult in class AbstractChainHandler

Parameters:

context - request context

scenario - matched business information

result - response result

isSkip

protected boolean isSkip(RequestContext context,
                         io.sermant.flowcontrol.common.entity.FlowControlScenario scenario)

Description copied from class: AbstractChainHandler

whether to skip the current handler

Overrides:

isSkip in class FlowControlHandler<io.github.resilience4j.circuitbreaker.CircuitBreaker>

Parameters:

context - requestContext

scenario - matched scenario information

Returns:

skip or not

getContextName

protected String getContextName()

Get the name of the current cache context

Overrides:

getContextName in class FlowControlHandler<io.github.resilience4j.circuitbreaker.CircuitBreaker>

Returns:

the name of the current cache context

getStartTime

protected String getStartTime()

Get the start time of the current cache context

Returns:

the start time of the current cache context

getOrder

public int getOrder()

Description copied from interface: RequestHandler

priority

Returns:

priority the smaller the value the higher the priority

getHandler

protected CircuitBreakerHandler getHandler()

Get the controller

Returns:

controller