io.sermant.flowcontrol.res4j.chain.handler

Class FlowControlHandler<T>

java.lang.Object

io.sermant.flowcontrol.res4j.chain.AbstractChainHandler

io.sermant.flowcontrol.res4j.chain.handler.FlowControlHandler<T>

Type Parameters:

T - corresponds to the flow control processing unit

All Implemented Interfaces:

RequestHandler, Comparable<AbstractChainHandler>

Direct Known Subclasses:

BulkheadRequestHandler, CircuitBreakerRequestHandler, FaultRequestHandler, RateLimitingRequestHandler, SystemServerReqHandler

public abstract class FlowControlHandler<T>
extends AbstractChainHandler

flow control basic handler

Since:

2022-07-18

Author:

zhouss

Field Summary

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

XDS_FLOW_CONTROL_CONFIG

Constructor Summary

Constructors

Constructor and Description
FlowControlHandler()

Method Summary

Modifier and Type	Method and Description
protected String	getContextName() gets the context cache name
protected List<T>	getHandlersFromCache(String sourceName, String cacheName) gets the flow control processing unit RateLimiter Bulkhead CircuitBreaker
protected boolean	isSkip(RequestContext context, io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario) whether to skip the current handler

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

compareTo, direct, equals, getNext, hashCode, onBefore, onResult, onThrow, setNext

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.sermant.flowcontrol.res4j.chain.RequestHandler

getOrder

Constructor Detail

FlowControlHandler

public FlowControlHandler()

Method Detail

getHandlersFromCache

protected List<T> getHandlersFromCache(String sourceName,
                                       String cacheName)

gets the flow control processing unit RateLimiter Bulkhead CircuitBreaker

Parameters:

sourceName - source name

cacheName - cache name

Returns:

handlers

getContextName

protected String getContextName()

gets the context cache name

Returns:

contextName

isSkip

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

Description copied from class: AbstractChainHandler

whether to skip the current handler

Overrides:

isSkip in class AbstractChainHandler

Parameters:

context - requestContext

flowControlScenario - matched scenario information

Returns:

skip or not