TupleWritable listed as public class but cannot be used without methods private
to the package
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Key: HADOOP-3944
URL: https://issues.apache.org/jira/browse/HADOOP-3944
Project: Hadoop Core
Issue Type: Improvement
Components: documentation
Affects Versions: 0.17.1
Reporter: Michael Andrews
Priority: Minor
Reading the hadoop-core javadocs, it appears as though TupleWritable can be
used outside of the
org.apache.hadoop.mapred.join.* package. A user can import TupleWritable but
cannot use it correctly without the setWritten, and clearWritten methods being
public. It seems as the though the intent was to make TupleWritable hidden
from the user as it is dependent on CompositeRecordReader. As a possible
solution, classes within a package can be made invisible to the user by
omitting 'public' from the class definition. In the case of TupleWritable,
this removes the javadoc link from other classes in mapred.join and it's not
clear if these classes should be hidden from the user.
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