Package org.apache.storm.hdfs.common
Class NullPartitioner
java.lang.Object
org.apache.storm.hdfs.common.NullPartitioner
- All Implemented Interfaces:
Serializable
,Partitioner
The NullPartitioner partitions every tuple to the empty string. In otherwords, no partition sub directories will
be added to the path.
- See Also:
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptiongetPartitionPath
(Tuple tuple) Return a relative path that the tuple should be written to.
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Constructor Details
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NullPartitioner
public NullPartitioner()
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Method Details
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getPartitionPath
Description copied from interface:Partitioner
Return a relative path that the tuple should be written to. For example, if an HdfsBolt were configured to write to /common/output and a partitioner returned "/foo" then the bolt should open a file in "/common/output/foo"A best practice is to use Path.SEPARATOR instead of a literal "/"
- Specified by:
getPartitionPath
in interfacePartitioner
- Parameters:
tuple
- The tuple for which the relative path is being calculated.
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