public class FirstKeyIntPartitioner
extends org.apache.hadoop.mapreduce.Partitioner<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>
implements org.apache.hadoop.mapred.Partitioner<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>
| 构造器和说明 |
|---|
FirstKeyIntPartitioner() |
public int getPartition(org.apache.hadoop.io.Text key,
org.apache.hadoop.io.Text value,
int numReduceTasks)
getPartition 在接口中 org.apache.hadoop.mapred.Partitioner<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>getPartition 在类中 org.apache.hadoop.mapreduce.Partitioner<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>public void configure(org.apache.hadoop.mapred.JobConf arg0)
configure 在接口中 org.apache.hadoop.mapred.JobConfigurableCopyright © 2016. All rights reserved.