@InterfaceAudience.Public @InterfaceStability.Stable public class NullOutputFormat<K,V> extends OutputFormat<K,V>
| Constructor and Description |
|---|
NullOutputFormat() |
| Modifier and Type | Method and Description |
|---|---|
void |
checkOutputSpecs(JobContext context)
Check for validity of the output-specification for the job.
|
OutputCommitter |
getOutputCommitter(TaskAttemptContext context)
Get the output committer for this output format.
|
RecordWriter<K,V> |
getRecordWriter(TaskAttemptContext context)
Get the
RecordWriter for the given task. |
public RecordWriter<K,V> getRecordWriter(TaskAttemptContext context)
OutputFormatRecordWriter for the given task.getRecordWriter in class OutputFormat<K,V>context - the information about the current task.RecordWriter to write the output for the job.public void checkOutputSpecs(JobContext context)
OutputFormatThis 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.
Implementations which write to filesystems which support delegation tokens usually collect the tokens for the destination path(s) and attach them to the job context's JobConf.checkOutputSpecs in class OutputFormat<K,V>context - information about the jobpublic OutputCommitter getOutputCommitter(TaskAttemptContext context)
OutputFormatgetOutputCommitter in class OutputFormat<K,V>context - the task contextCopyright © 2024 Apache Software Foundation. All rights reserved.