public static class CleaningJob.CleanReducer extends Reducer<java.lang.String,WebPage,NullWritable,NullWritable>
Reducer.Context| Constructor and Description |
|---|
CleanReducer() |
| Modifier and Type | Method and Description |
|---|---|
void |
cleanup(Reducer.Context context) |
void |
reduce(java.lang.String key,
java.lang.Iterable<WebPage> values,
Reducer.Context context) |
void |
setup(Reducer.Context job) |
public void setup(Reducer.Context job) throws java.io.IOException
setup in class Reducer<java.lang.String,WebPage,NullWritable,NullWritable>java.io.IOExceptionpublic void reduce(java.lang.String key,
java.lang.Iterable<WebPage> values,
Reducer.Context context)
throws java.io.IOException
reduce in class Reducer<java.lang.String,WebPage,NullWritable,NullWritable>java.io.IOExceptionpublic void cleanup(Reducer.Context context) throws java.io.IOException
cleanup in class Reducer<java.lang.String,WebPage,NullWritable,NullWritable>java.io.IOExceptionCopyright © 2019 The Apache Software Foundation