org.apache.gora.examples.mapreduce
Class WordCount.TokenizerMapper
java.lang.Object
org.apache.hadoop.mapreduce.Mapper<K1,V1,K2,V2>
org.apache.gora.mapreduce.GoraMapper<String,WebPage,org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>
org.apache.gora.examples.mapreduce.WordCount.TokenizerMapper
- Enclosing class:
- WordCount
public static class WordCount.TokenizerMapper
- extends GoraMapper<String,WebPage,org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>
TokenizerMapper takes <String, WebPage> pairs as obtained
from the input DataStore, and tokenizes the content via
WebPage.getContent()
. The tokens are emitted as
<String, WebPage> pairs.
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper |
org.apache.hadoop.mapreduce.Mapper.Context |
Method Summary |
protected void |
map(String key,
WebPage page,
org.apache.hadoop.mapreduce.Mapper.Context context)
|
Methods inherited from class org.apache.hadoop.mapreduce.Mapper |
cleanup, run, setup |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
WordCount.TokenizerMapper
public WordCount.TokenizerMapper()
map
protected void map(String key,
WebPage page,
org.apache.hadoop.mapreduce.Mapper.Context context)
throws IOException,
InterruptedException
- Overrides:
map
in class org.apache.hadoop.mapreduce.Mapper<String,WebPage,org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>
- Throws:
IOException
InterruptedException
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