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https://issues.apache.org/jira/browse/DELTASPIKE-131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Porter resolved DELTASPIKE-131.
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Resolution: Fixed
You can see the result of the discussion in the form of an API at
https://cwiki.apache.org/confluence/display/DeltaSpike/Exception+Control+Drafts
> Discuss the concept of exception handlers
> -----------------------------------------
>
> Key: DELTASPIKE-131
> URL: https://issues.apache.org/jira/browse/DELTASPIKE-131
> Project: DeltaSpike
> Issue Type: Sub-task
> Components: ExceptionControl-Module
> Reporter: Jason Porter
> Assignee: Jason Porter
> Fix For: 0.2-incubating
>
>
> The core of exception handling from Solder is around exception handler
> methods. These are simple, usually stateless methods that handle a particular
> type of exception (concrete type or super type). Information about them can
> be found at
> http://docs.jboss.org/seam/3/3.1.0.Final/reference/en-US/html/catch-client_usage.html#client_usage.handlers
>
> In Solder these live on an annotated type with a marker annotation
> (@HandlesExceptions) to speed processing. Handler methods are denoted by an
> annotation @Handles. They behave similar to observers in CDI. Each argument
> after the first is an injection point and resolved before calling the method.
> Exception handler methods can also be ordered in a consistent deterministic
> way. based on the hierarchy of the exception being handled, and if needed by
> an ordinal number (used only if multiple handlers apply for the same
> exception and same traversal type).
> Handlers are called in one of two traversals of the exception chain. Either
> during a depth first search for handlers or a breadth first search. This
> search looks at the type of exception being handled by the handlers.
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