Convert some tests to new TokenStream API, better support of cross-impl
AttributeImpl.copyTo()
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Key: LUCENE-1843
URL: https://issues.apache.org/jira/browse/LUCENE-1843
Project: Lucene - Java
Issue Type: Improvement
Components: Analysis
Affects Versions: 2.9
Reporter: Uwe Schindler
Assignee: Uwe Schindler
Fix For: 2.9
Attachments: LUCENE-1843.patch
This patch converts some remaining tests to the new TokenStream API and
non-deprecated classes.
This patch also enhances AttributeImpl.copyTo() of Token and TokenWrapper to
also support copying e.g. TermAttributeImpl into Token. The target impl must
only support all interfaces but must not be of the same type. Token and
TokenWrapper use optimized coping without casting to 6 interfaces where
possible.
Maybe the special tokenizers in contrib (shingle matrix and so on using tokens
to cache may be enhanced by that). Also Yonik's request for optimized copying
of states between incompatible AttributeSources may be enhanced by that
(possibly a new issue).
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