G-Node / nix

Neuroscience information exchange format
https://readthedocs.org/projects/nixio/
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add a way to check whether an Entity is valid in the backend #566

Closed jgrewe closed 8 years ago

jgrewe commented 8 years ago

In hdf5 an hid identifier can be valid even if the object is unlinked from everything else in the file, the object's name, btw., does no longer exist at that point. According to the valid hid, there may still be a reference count from this object to attributes and datasets. These can still be accessed.

This pr is related to issue #565

gicmo commented 8 years ago

LGTM!