Add support for application-specific typecodes to typed bytes
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Key: HADOOP-5450
URL: https://issues.apache.org/jira/browse/HADOOP-5450
Project: Hadoop Core
Issue Type: Improvement
Components: contrib/streaming
Reporter: Klaas Bosteels
Assignee: Klaas Bosteels
For serializing objects of types that are not supported by typed bytes
serialization, applications might want to use a custom serialization format.
Right now, typecode 0 has to be used for the bytes resulting from this custom
serialization, which could lead to problems when deserializing the objects
because the application cannot know if a byte sequence following typecode 0 is
a customly serialized object or just a raw sequence of bytes. Therefore, a
range of typecodes that are treated as aliases for 0 should be added, such that
different typecodes can be used for application-specific purposes.
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