KeyValueBlobTransientStore
Nuxeo Folks: KeyValueBlobTransientStore.getBlobs
can return Collections.emptyList
which you can't add
to. However, SimpleTransientStore.getBlobs
returns an ArrayList
and so a unit test that expects to be able to add to the return value from getBlobs
can pass, but then fail if deployed over a K/V transient store…
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1 answers
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The Javadoc for TransientStore.getBlobs
doesn't promise anything about mutability of the returned List
, so you shouldn't assume that it's an ArrayList
even though that's the case for the current implementation of SimpleTransientStore
.
True. It is a shortcoming of Java that interface contracts don't explicitly state mutability. Lacking that, programmers tend to interpret the contract to be: "what it did before"… Simple transient store and Redis transient store provided mutable lists, and the new kvbts does not, so…
12/14/2018