public abstract class ReductionDataWriter<E> extends Object
DataOutput
stream.Modifier and Type | Field and Description |
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protected E |
extractor |
protected DataOutput |
output |
Constructor and Description |
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ReductionDataWriter(DataOutput output,
E extractor) |
Modifier and Type | Method and Description |
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abstract void |
write()
Write a piece of data, retrieved from the extractor, to the output stream.
|
protected final DataOutput output
protected final E extractor
public ReductionDataWriter(DataOutput output, E extractor)
public abstract void write() throws IOException
IOException
- if an exception occurs while writing to the output streamCopyright © 2000-2018 Apache Software Foundation. All Rights Reserved.