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https://issues.apache.org/jira/browse/SCB-836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16669660#comment-16669660
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Zheng Feng commented on SCB-836:
--------------------------------
NOTE from the spec of LRA
{noformat}
Note that there is no annotation to directly cancel a closed nested LRA and the
Java LRAClient api must be used for this purpose if required.
{noformat}
So we need these client APIs to talk to the alpha server directly ?
> Support the nesting SagaStart
> -----------------------------
>
> Key: SCB-836
> URL: https://issues.apache.org/jira/browse/SCB-836
> Project: Apache ServiceComb
> Issue Type: Improvement
> Components: Saga
> Reporter: Willem Jiang
> Priority: Major
>
> We can take the
> [nesting-lras|https://github.com/eclipse/microprofile-lra/blob/master/spec/src/main/asciidoc/microprofile-lra-spec.adoc#323-nesting-lras]
> from the microprofile as an example.
> An activity can be scoped within an existing Saga using the @SagaStart
> annotation. Invoking a method marked with this annotation will start a new
> Saga whose outcome depends upon whether the enclosing Saga is closed or
> cancelled.
> * If the nested Saga is closed but the outer Saga is cancelled then the
> participants registered with the nested Saga will be told to compensate.
> * If the nested Saga is cancelled the outer Saga can be still closed.
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