Christopher Smith created TINKERPOP-2507:
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Summary: TinkerGraph erroneously assumes IDs must be homogeneous
Key: TINKERPOP-2507
URL: https://issues.apache.org/jira/browse/TINKERPOP-2507
Project: TinkerPop
Issue Type: Bug
Components: tinkergraph
Affects Versions: 3.4.9
Reporter: Christopher Smith
In {{TinkerGraph#validateHomogenousIds(List)}}, TinkerGraph _explicitly_ checks
for identical ID types among all IDs passed in and provides a misleading error
message if they mismatch. In fact, this is a semantic error; TinkerGraph quite
happily supports heterogeneous element ID types.
In my application, vertex IDs are generally explicitly assigned using
UUID-as-string values, and so the IDs are primarily of type {{String}}.
However, my test infrastructure has a few bookkeeping nodes that I'm not
manually writing IDs to, and TinkerGraph assigns them {{Long}} IDs. These mixed
IDs work _just fine_, but when I try to pass an {{Object...}} to {{V}},
TinkerGraph throws.
Mixing ID types is perfectly legal (if not, in most cases, practically
advisable), and TinkerGraph should not throw when presented with a mixed array
of valid IDs.
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