UimaSerializer should make use of ThreadLocal
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Key: UIMA-1393
URL: https://issues.apache.org/jira/browse/UIMA-1393
Project: UIMA
Issue Type: Improvement
Components: Async Scaleout
Reporter: Jörn Kottmann
Priority: Trivial
Fix For: 2.3AS
The current implementation tries to emulate ThreadLocal with a Map and a lock.
Using ThreadLocal directly has the advantage of making
the code simpler and enabling garbage collection for cached instances when the
belonging thread ends.
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