public static class Generator.CrawlDbUpdater extends org.apache.hadoop.mapred.MapReduceBase implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.Text,CrawlDatum,org.apache.hadoop.io.Text,CrawlDatum>, org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,CrawlDatum,org.apache.hadoop.io.Text,CrawlDatum>
Constructor and Description |
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Generator.CrawlDbUpdater() |
Modifier and Type | Method and Description |
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void |
configure(org.apache.hadoop.mapred.JobConf job) |
void |
map(org.apache.hadoop.io.Text key,
CrawlDatum value,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,CrawlDatum> output,
org.apache.hadoop.mapred.Reporter reporter) |
void |
reduce(org.apache.hadoop.io.Text key,
Iterator<CrawlDatum> values,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,CrawlDatum> output,
org.apache.hadoop.mapred.Reporter reporter) |
public void configure(org.apache.hadoop.mapred.JobConf job)
configure
in interface org.apache.hadoop.mapred.JobConfigurable
configure
in class org.apache.hadoop.mapred.MapReduceBase
public void map(org.apache.hadoop.io.Text key, CrawlDatum value, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,CrawlDatum> output, org.apache.hadoop.mapred.Reporter reporter) throws IOException
map
in interface org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.Text,CrawlDatum,org.apache.hadoop.io.Text,CrawlDatum>
IOException
public void reduce(org.apache.hadoop.io.Text key, Iterator<CrawlDatum> values, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,CrawlDatum> output, org.apache.hadoop.mapred.Reporter reporter) throws IOException
reduce
in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,CrawlDatum,org.apache.hadoop.io.Text,CrawlDatum>
IOException
Copyright © 2014 The Apache Software Foundation