Marshall Schor created UIMA-5162:
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Summary: uv3 change id to match v2
Key: UIMA-5162
URL: https://issues.apache.org/jira/browse/UIMA-5162
Project: UIMA
Issue Type: Improvement
Reporter: Marshall Schor
Assignee: Marshall Schor
Priority: Minor
v3's current ids start at 1 and increment by 1. v2 ids start at 1 and
increment by the "size" on the main int heap of the FS.
Pros: v3's serializations / deserializations often need to recreate the v2 ids
so the serialized forms can be read by v2 impl (for backwards compatibility),
so this can have a performance benefit. It also improves the match for xmi/json
id-refs with version 2 (although xmi deserialization should still work without
this).
Cons: Changing to the v2 style will reduce the maximum number of Feature
Structures per CAS somewhat; it will be the same as the current limit that
exists in v2.
Because of pros/cons, keep both impls, together with a global static final
boolean switch to pick one or the other (and set it for now to use the v2
style).
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