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Subject: [OASIS Issue Tracker] Commented: (TOSCA-32) Action transfer between source nodes and target nodes

    [ http://tools.oasis-open.org/issues/browse/TOSCA-32?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=30822#action_30822 ] 

Paul Zhang commented on TOSCA-32:

Thanks, Thomas. 

For the first observation, I think it is reasonable and helpful to me. Using operation instead of actionURI is a good idea. 

For the second one, I agree with you. Indeed, using the "Action Transfer" to define a large action flow enhances the complexity and plan can cover the job. However, for a small action flow (e.g. when app server is suspended, the db server stops either.), the "Action Transfer" can ease developers to define TOSCA. "Action Transfer" can work as a shortcut for some small work flows. 

> Action transfer between source nodes and target nodes
> -----------------------------------------------------
>                 Key: TOSCA-32
>                 URL: http://tools.oasis-open.org/issues/browse/TOSCA-32
>             Project: OASIS Topology and Orchestration Specification for Cloud Applications (TOSCA) TC
>          Issue Type: Improvement
>            Reporter: Paul Zhang
> cascadingDeletion is used to indicate that if the target instance is deleted automatically with the deletion of the source instance. 
> There may be some other cases that one action of the target instance leads to one action of the source instance, where the actions may be not restricted to the deletion action. For example, two Node Templates describing an AppServer and a DBServer are associated by a Relationship Template with the relationship type "Integrated with", where the DBServer is the target node and the AppServer is the source node. Developers may want to indicate in Relationship Type that the DBServer is suspended automatically when the AppServer is suspended. Furthermore, in some cases, suspending a target instance can also lead to the action of suspending the source instance.

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