.Mapper&lt;org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable,org.apache.hadoop.io.Text,org.apache.hadoop.io.ObjectWritable&gt;, org.apache.hadoop.mapred.Reducer&lt;org.apache.hadoop.io.Text,org.apache.hadoop.io.ObjectWritable,org.apache.hadoop.io.Text,<a href="../../../../../org/apache/nutch/crawl/CrawlDatum.html" title="class in org.apache.nutch.crawl">CrawlDatum</a>&gt;, org.apache.hadoop.util.Tool</dd>
</dl>
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<pre>public class <span class="strong">ScoreUpdater</span>
extends org.apache.had