Michael Dürig created OAK-690:
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Summary: Enforce and clarify Root contract wrt. invalid Tree
instances
Key: OAK-690
URL: https://issues.apache.org/jira/browse/OAK-690
Project: Jackrabbit Oak
Issue Type: Improvement
Components: core
Reporter: Michael Dürig
Assignee: Michael Dürig
The contract of {{Root.commit()}}, {{Root.refresh()}} and {{Root.rebase()}}
specify that {{Tree}} instances acquired through that {{Root}} instance become
invalid after one of these methods are called.
In fact the hierarchy related methods are not affected by this, which is
required for higher layers to be able to reload {{Tree}} instances that have
become invalid. OTOH affected methods might not immediately throw an exception
but just result in undefined behaviour. I'd like to change this such that
invalid {{Tree}} instances immediately throw an {{IllegalStateException}} when
accessed.
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