com.alibaba.csp.sentinel.slotchain

Interface ProcessorSlot<T>

All Known Implementing Classes:

AbstractLinkedProcessorSlot, AuthoritySlot, ClusterBuilderSlot, DefaultProcessorSlotChain, DegradeSlot, FlowSlot, LogSlot, NodeSelectorSlot, ProcessorSlotChain, StatisticSlot, SystemSlot

public interface ProcessorSlot<T>

A container of some process and ways of notification when the process is finished.

Author:

qinan.qn, jialiang.linjl, leyou(lihao), Eric Zhao

Method Summary

Modifier and Type	Method and Description
void	entry(Context context, ResourceWrapper resourceWrapper, T param, int count, boolean prioritized, Object... args) Entrance of this slot.
void	exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args) Exit of this slot.
void	fireEntry(Context context, ResourceWrapper resourceWrapper, Object obj, int count, boolean prioritized, Object... args) Means finish of entry(Context, ResourceWrapper, Object, int, boolean, Object...).
void	fireExit(Context context, ResourceWrapper resourceWrapper, int count, Object... args) Means finish of exit(Context, ResourceWrapper, int, Object...).

Method Detail

entry

void entry(Context context,
           ResourceWrapper resourceWrapper,
           T param,
           int count,
           boolean prioritized,
           Object... args)
    throws Throwable

Entrance of this slot.

Parameters:

context - current Context

resourceWrapper - current resource

param - generics parameter, usually is a Node

count - tokens needed

prioritized - whether the entry is prioritized

args - parameters of the original call

Throws:

Throwable - blocked exception or unexpected error

fireEntry

void fireEntry(Context context,
               ResourceWrapper resourceWrapper,
               Object obj,
               int count,
               boolean prioritized,
               Object... args)
        throws Throwable

Means finish of entry(Context, ResourceWrapper, Object, int, boolean, Object...).

Parameters:

context - current Context

resourceWrapper - current resource

obj - relevant object (e.g. Node)

count - tokens needed

prioritized - whether the entry is prioritized

args - parameters of the original call

Throws:

Throwable - blocked exception or unexpected error

exit

void exit(Context context,
          ResourceWrapper resourceWrapper,
          int count,
          Object... args)

Exit of this slot.

Parameters:

context - current Context

resourceWrapper - current resource

count - tokens needed

args - parameters of the original call

fireExit

void fireExit(Context context,
              ResourceWrapper resourceWrapper,
              int count,
              Object... args)

Means finish of exit(Context, ResourceWrapper, int, Object...).

Parameters:

context - current Context

resourceWrapper - current resource

count - tokens needed

args - parameters of the original call