Marshall Schor created UIMA-4541:
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Summary: CasCopier edge use case copies multiple
DocumentAnnotation instances
Key: UIMA-4541
URL: https://issues.apache.org/jira/browse/UIMA-4541
Project: UIMA
Issue Type: Bug
Components: Core Java Framework
Affects Versions: 2.7.0SDK
Reporter: Marshall Schor
Assignee: Marshall Schor
Fix For: 2.8.1SDK
The normal envisioned use case for the cas copier is
1) make an instance of the cas copier, specifying the two CASs
2) do an operation (copy a cas, copy a cas-view, copy some FSs)
Some users are in a sense reusing the cas copier instance; they make an
instance, and then copy some FSs, and then maybe copy a view. The general
contract for the CasCopier instance is that it "remembers" what FSs have been
copied, and doesn't copy them again.
There was an optimization that tried to speed up the isDocumentAnnotation test
- the casCopier instance remembers what the srcCasDocumentAnnotation is, once
it's looked up. Unfortunately, each view has its own; there was code to
re-look it up but it wasn't being set for all possible user invoked paths.
Note this is only an issue for use cases which are using the same casCopier
instance both for copying individual FSs and for copying views.
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