org.apache.hadoop.hbase.mapred
Class IndexTableReduce
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
org.apache.hadoop.hbase.mapred.IndexTableReduce
- All Implemented Interfaces:
- org.apache.hadoop.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable,org.apache.hadoop.io.Text,org.apache.hadoop.hbase.mapred.LuceneDocumentWrapper>
public class IndexTableReduce
- extends org.apache.hadoop.mapred.MapReduceBase
- implements org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable,org.apache.hadoop.io.Text,org.apache.hadoop.hbase.mapred.LuceneDocumentWrapper>
Construct a Lucene document per row, which is consumed by IndexOutputFormat
to build a Lucene index
Method Summary |
void |
close()
|
void |
configure(org.apache.hadoop.mapred.JobConf job)
|
void |
reduce(org.apache.hadoop.io.Text key,
Iterator<org.apache.hadoop.io.MapWritable> values,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.hbase.mapred.LuceneDocumentWrapper> output,
org.apache.hadoop.mapred.Reporter reporter)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
IndexTableReduce
public IndexTableReduce()
configure
public void configure(org.apache.hadoop.mapred.JobConf job)
- Specified by:
configure
in interface org.apache.hadoop.mapred.JobConfigurable
- Overrides:
configure
in class org.apache.hadoop.mapred.MapReduceBase
close
public void close()
throws IOException
- Specified by:
close
in interface org.apache.hadoop.io.Closeable
- Overrides:
close
in class org.apache.hadoop.mapred.MapReduceBase
- Throws:
IOException
reduce
public void reduce(org.apache.hadoop.io.Text key,
Iterator<org.apache.hadoop.io.MapWritable> values,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.hbase.mapred.LuceneDocumentWrapper> output,
org.apache.hadoop.mapred.Reporter reporter)
throws IOException
- Specified by:
reduce
in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable,org.apache.hadoop.io.Text,org.apache.hadoop.hbase.mapred.LuceneDocumentWrapper>
- Throws:
IOException
Copyright © 2008 The Apache Software Foundation