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java.lang.Objectorg.apache.hadoop.mapred.MapReduceBase
@Deprecated public class MapReduceBase
Base class for Mapper and Reducer implementations.
Provides default no-op implementations for a few methods, most non-trivial applications need to override some of them.
| Constructor Summary | |
|---|---|
MapReduceBase()
Deprecated. |
|
| Method Summary | |
|---|---|
void |
close()
Deprecated. Default implementation that does nothing. |
void |
configure(JobConf job)
Deprecated. Default implementation that does nothing. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public MapReduceBase()
| Method Detail |
|---|
public void close()
throws IOException
close in interface CloseableIOExceptionpublic void configure(JobConf job)
configure in interface JobConfigurablejob - the configuration
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