edu.yale.cs.hadoopdb.benchmark
Class JoinTaskDB.Reduce
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
edu.yale.cs.hadoopdb.benchmark.JoinTaskDB.Reduce
- All Implemented Interfaces:
- java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>
- Enclosing class:
- JoinTaskDB
public static class JoinTaskDB.Reduce
- extends org.apache.hadoop.mapred.MapReduceBase
- implements org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>
Field Summary |
private double |
avgPageRank
|
private org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text> |
foutput
|
private double |
maxRevenue
|
private java.lang.String |
sourceIP
|
Method Summary |
void |
close()
|
void |
reduce(org.apache.hadoop.io.Text key,
java.util.Iterator<org.apache.hadoop.io.Text> fields,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text> output,
org.apache.hadoop.mapred.Reporter reporter)
|
Methods inherited from class org.apache.hadoop.mapred.MapReduceBase |
configure |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable |
configure |
avgPageRank
private double avgPageRank
foutput
private org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text> foutput
maxRevenue
private double maxRevenue
sourceIP
private java.lang.String sourceIP
JoinTaskDB.Reduce
public JoinTaskDB.Reduce()
close
public void close()
throws java.io.IOException
- Specified by:
close
in interface java.io.Closeable
- Overrides:
close
in class org.apache.hadoop.mapred.MapReduceBase
- Throws:
java.io.IOException
reduce
public void reduce(org.apache.hadoop.io.Text key,
java.util.Iterator<org.apache.hadoop.io.Text> fields,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text> output,
org.apache.hadoop.mapred.Reporter reporter)
throws java.io.IOException
- Specified by:
reduce
in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>
- Throws:
java.io.IOException