@InterfaceAudience.Public @InterfaceStability.Stable public interface ComposableInputFormat<K extends WritableComparable,V extends Writable> extends InputFormat<K,V>
修飾子とタイプ | メソッドと説明 |
---|---|
ComposableRecordReader<K,V> |
getRecordReader(InputSplit split,
JobConf job,
Reporter reporter)
Get the
RecordReader for the given InputSplit . |
getSplits
ComposableRecordReader<K,V> getRecordReader(InputSplit split, JobConf job, Reporter reporter) throws IOException
InputFormat
RecordReader
for the given InputSplit
.
It is the responsibility of the RecordReader
to respect
record boundaries while processing the logical split to present a
record-oriented view to the individual task.
getRecordReader
インタフェース内 InputFormat<K extends WritableComparable,V extends Writable>
split
- the InputSplit
job
- the job that this split belongs toRecordReader
IOException
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