io.sermant.flowcontrol.res4j.chain

Class AbstractXdsChainHandler

java.lang.Object

io.sermant.flowcontrol.res4j.chain.AbstractXdsChainHandler

All Implemented Interfaces:

XdsRequestHandler, Comparable<AbstractXdsChainHandler>

Direct Known Subclasses:

XdsBusinessClientRequestHandler, XdsBusinessServerRequestHandler, XdsFaultRequestHandler, XdsHandlerChain, XdsRateLimitRequestHandler

public abstract class AbstractXdsChainHandler
extends Object
implements XdsRequestHandler, Comparable<AbstractXdsChainHandler>

abstract Xds handler chain, the order of execution is as follows:

onBefore -> onThrow(executed when an exception exists) -> onResult

Since:

2024-12-28

Author:

zhp

Field Summary

Fields

Modifier and Type	Field and Description
protected static io.sermant.flowcontrol.common.config.XdsFlowControlConfig	XDS_FLOW_CONTROL_CONFIG

Constructor Summary

Constructors

Constructor and Description
AbstractXdsChainHandler()

Method Summary

Modifier and Type	Method and Description
int	compareTo(AbstractXdsChainHandler handler)
protected io.sermant.flowcontrol.common.entity.RequestEntity.RequestType	direct() request direction, both are processed by default, In actual processing, the request direction determines whether it needs to be processed by the current handler
boolean	equals(Object obj)
AbstractXdsChainHandler	getNext()
int	hashCode()
protected boolean	isSkip(io.sermant.flowcontrol.common.entity.RequestEntity requestEntity, io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario) whether to skip the current handler
void	onAfter(io.sermant.flowcontrol.common.entity.RequestEntity requestEntity, io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario, Object result) response processing
void	onBefore(io.sermant.flowcontrol.common.entity.RequestEntity requestEntity, io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario) request processing
void	onThrow(io.sermant.flowcontrol.common.entity.RequestEntity requestEntity, io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario, Throwable throwable) response processing
void	setNext(AbstractXdsChainHandler handler)

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.XdsRequestHandler

getOrder

Field Detail

XDS_FLOW_CONTROL_CONFIG

protected static final io.sermant.flowcontrol.common.config.XdsFlowControlConfig XDS_FLOW_CONTROL_CONFIG

Constructor Detail

AbstractXdsChainHandler

public AbstractXdsChainHandler()

Method Detail

onBefore

public void onBefore(io.sermant.flowcontrol.common.entity.RequestEntity requestEntity,
                     io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario)

Description copied from interface: XdsRequestHandler

request processing

Specified by:

onBefore in interface XdsRequestHandler

Parameters:

requestEntity - request-information

flowControlScenario - matched business information

onThrow

public void onThrow(io.sermant.flowcontrol.common.entity.RequestEntity requestEntity,
                    io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario,
                    Throwable throwable)

Description copied from interface: XdsRequestHandler

response processing

Specified by:

onThrow in interface XdsRequestHandler

Parameters:

requestEntity - request-information

flowControlScenario - matched business information

throwable - throwable

onAfter

public void onAfter(io.sermant.flowcontrol.common.entity.RequestEntity requestEntity,
                    io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario,
                    Object result)

Description copied from interface: XdsRequestHandler

response processing

Specified by:

onAfter in interface XdsRequestHandler

Parameters:

requestEntity - request-information

flowControlScenario - matched business information

result - response result

direct

protected io.sermant.flowcontrol.common.entity.RequestEntity.RequestType direct()

request direction, both are processed by default, In actual processing, the request direction determines whether it needs to be processed by the current handler

Returns:

RequestType

isSkip

protected boolean isSkip(io.sermant.flowcontrol.common.entity.RequestEntity requestEntity,
                         io.sermant.flowcontrol.common.entity.FlowControlScenario flowControlScenario)

whether to skip the current handler

Parameters:

requestEntity - request-information

flowControlScenario - matched scenario information

Returns:

skip or not

compareTo

public int compareTo(AbstractXdsChainHandler handler)

Specified by:

compareTo in interface Comparable<AbstractXdsChainHandler>

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

setNext

public void setNext(AbstractXdsChainHandler handler)

getNext

public AbstractXdsChainHandler getNext()