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java.lang.Objectorg.apache.hadoop.mapred.MapReduceBase
cascading.flow.hadoop.FlowReducer
public class FlowReducer
Class FlowReducer is the Hadoop Reducer implementation.
Constructor Summary | |
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FlowReducer()
Constructor FlowReducer creates a new FlowReducer instance. |
Method Summary | |
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void |
close()
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void |
configure(JobConf jobConf)
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void |
reduce(java.lang.Object key,
java.util.Iterator values,
OutputCollector output,
Reporter reporter)
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public FlowReducer()
Method Detail |
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public void configure(JobConf jobConf)
configure
in interface JobConfigurable
configure
in class MapReduceBase
public void reduce(java.lang.Object key, java.util.Iterator values, OutputCollector output, Reporter reporter) throws java.io.IOException
reduce
in interface Reducer
java.io.IOException
public void close() throws java.io.IOException
close
in interface java.io.Closeable
close
in class MapReduceBase
java.io.IOException
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