CSVFormat describes itself as immutable, but it is not - in particular it is
not thread-safe
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Key: SANDBOX-408
URL: https://issues.apache.org/jira/browse/SANDBOX-408
Project: Commons Sandbox
Issue Type: Bug
Components: CSV
Reporter: Sebb
CSVFormat describes itself as immutable, but it is not @Immutable - the class
fields are all mutable.
The methods that change the fields do so by creating a clone, and returning the
changed clone.
So in a sense the class is immutable.
However, the normal expectation is that @Immutable classes are @ThreadSafe.
CSVFormat is not thread-safe, because the fields are not volatile, and the
fields are not written & read using a common lock.
The comment needs to be clarified or removed.
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