Stefan Guggisberg created OAK-142:
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Summary: MicroKernel API: returning the :hash should be optional
Key: OAK-142
URL: https://issues.apache.org/jira/browse/OAK-142
Project: Jackrabbit Oak
Issue Type: Improvement
Reporter: Stefan Guggisberg
the {{:hash}} property represents the content hash of node tree rooted at the
property's parent node.
the {{:hash}} property is by default not included in the json tree returned by
the {{getNodes(..)}} method but can be enabled by explicitly specifying it in
the {{filter}} parameter.
returning the {{:hash}} property should be optional since it might be a too
heavy requirement on some MicroKernel implementations. an implementation might
e.g. choose to include the {{:hash}} property only on certain nodes or it might
choose to not support it at all.
if however a {{:hash}} property is returned it has to obey the content hash
contract, i.e. identical node trees must have identical {{:hash}} values and
non-identical node trees must have different {{:hash}} values.
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