@InterfaceAudience.Public @InterfaceStability.Stable public class NullOutputFormat<K,V> extends Object implements OutputFormat<K,V>
|Constructor and Description|
|Modifier and Type||Method and Description|
Check for validity of the output-specification for the job.
public RecordWriter<K,V> getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
RecordWriterfor the given job.
job- configuration for the job whose output is being written.
name- the unique name for this part of the output.
progress- mechanism for reporting progress while writing to file.
RecordWriterto write the output for the job.
public void checkOutputSpecs(FileSystem ignored, JobConf job)
This is to validate the output specification for the job when it is a job is submitted. Typically checks that it does not already exist, throwing an exception when it already exists, so that output is not overwritten.
job- job configuration.
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