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https://issues.apache.org/jira/browse/NIFI-8650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tamas Palfy reassigned NIFI-8650:
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Assignee: Tamas Palfy
> Flow Analysis
> -------------
>
> Key: NIFI-8650
> URL: https://issues.apache.org/jira/browse/NIFI-8650
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Core Framework
> Reporter: Tamas Palfy
> Assignee: Tamas Palfy
> Priority: Major
>
> Add new concept: Flow analysis based on user-defined rules
> UNDER CONSTRUCTION
> Flow analysis checks wether the flow is in a "proper" state.
> What constitutes "proper" is defined by the users by creating flow analysis
> rules.
> These rules are a new type of component and behave as such in almost every
> aspect. (They can have properties, they can be added to nifi as extensions
> via nars, they are versioned, persisted in flow.xml etc.)
> The framework takes care of running the rules as appropriate.
> Each rule is provided a representation of the flow (or part of it) -defined
> by an interface- and may analyze it in any way it seems fit. The result of
> the analysis is represented by zero or more rule violation result objects
> that the framework accepts and handles from then on.
> The effect of the analysis result by a given rule depends on the type of the
> rule, which can be either _recommendation_ or _policy_.
> Recommendations are information displayed to the user.
> Policies are more strict. Apart from being available to be viewed by the user
> (similar to recommendations), they also invalidate the components that
> violated the corresponding rule.
> The analysis results can be displayed and can be disabled (ignored) or
> re-enabled.
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