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https://issues.apache.org/jira/browse/CAUSEWAY-3822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andi Huber closed CAUSEWAY-3822.
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> [Commons] Graph<T> support filtering and fix inconsistent API in
> GraphBuilder<T>
> --------------------------------------------------------------------------------
>
> Key: CAUSEWAY-3822
> URL: https://issues.apache.org/jira/browse/CAUSEWAY-3822
> Project: Causeway
> Issue Type: Improvement
> Components: Commons
> Reporter: Andi Huber
> Assignee: Andi Huber
> Priority: Major
> Fix For: 2.2.0, 3.2.0
>
>
> {code:java}
> GraphBuilder<T> addNode(T node)
> {code}
> allows to add duplicate nodes, however by doing so the method
> {code:java}
> GraphBuilder<T> addEdge(T from, T to)
> {code}
> is rendered unusable.
> The fix is to ignore addition of node duplicates.
> And while we are at it, we add a new Graph<T>#filter(Predicate<T>) method.
>
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