Extensible ConnManager factory API
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Key: MAPREDUCE-750
URL: https://issues.apache.org/jira/browse/MAPREDUCE-750
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: contrib/sqoop
Reporter: Aaron Kimball
Assignee: Aaron Kimball
Sqoop uses the ConnFactory class to instantiate a ConnManager implementation
based on the connect string and other arguments supplied by the user. This
allows per-database logic to be encapsulated in different ConnManager
instances, and dynamically chosen based on which database the user is actually
importing from. But adding new ConnManager implementations requires modifying
the source of a common ConnFactory class. An indirection layer should be used
to delegate instantiation to a number of factory implementations which can be
specified in the static configuration or at runtime.
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