Refactor SpiLoader and enhance its SPI functions#1383

Merged

sczyh30 merged 12 commits intoalibaba:masterfrom

cdfive:spiloader_enhancement

Jan 27, 2021

Commits on Aug 9, 2020

Using constant for the order of GatewayFlowSlot and ParamFlowSlot,improve the log info,remove unused code in SpiLoader
cdfive
committed
Make reset method package privilege
cdfive
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Commits on Sep 20, 2020

Commits on Oct 2, 2020

Fix double check when create instance,and fix close resources when exception occurs.
cdfive
committed
Fix sortedClassList added more than once which cause CI error when running test cases.
cdfive
committed

Commits on Oct 8, 2020

Fix double check when create new instance in SpiLoader
cdfive
committed