org.apache.nutch.indexer.field
Class FieldIndexer

java.lang.Object
  org.apache.hadoop.conf.Configured
      org.apache.nutch.indexer.field.FieldIndexer

All Implemented Interfaces:

Closeable, Configurable, JobConfigurable, Mapper<Text,Writable,Text,FieldWritable>, Reducer<Text,FieldWritable,Text,FieldIndexer.LuceneDocumentWrapper>, Tool

public class FieldIndexer
extends Configured
implements Tool, Mapper<Text,Writable,Text,FieldWritable>, Reducer<Text,FieldWritable,Text,FieldIndexer.LuceneDocumentWrapper>

Nested Class Summary

static class	FieldIndexer.LuceneDocumentWrapper
static class	FieldIndexer.OutputFormat

Field Summary

static String	DONE_NAME
static org.apache.commons.logging.Log	LOG

Constructor Summary

FieldIndexer()

FieldIndexer(Configuration conf)

Method Summary

void	close()
void	configure(JobConf job)
void	index(Path[] fields, Path indexDir)
static void	main(String[] args)
void	map(Text key, Writable value, OutputCollector<Text,FieldWritable> output, Reporter reporter)
void	reduce(Text key, Iterator<FieldWritable> values, OutputCollector<Text,FieldIndexer.LuceneDocumentWrapper> output, Reporter reporter)
int	run(String[] args)

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

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.conf.Configurable

getConf, setConf

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

DONE_NAME

public static final String DONE_NAME

See Also:

Constant Field Values

Constructor Detail

FieldIndexer

public FieldIndexer()

FieldIndexer

public FieldIndexer(Configuration conf)

Method Detail

configure

public void configure(JobConf job)

Specified by:

configure in interface JobConfigurable

close

public void close()

Specified by:

close in interface Closeable

map

public void map(Text key,
                Writable value,
                OutputCollector<Text,FieldWritable> output,
                Reporter reporter)
         throws IOException

Specified by:

map in interface Mapper<Text,Writable,Text,FieldWritable>

Throws:

IOException

reduce

public void reduce(Text key,
                   Iterator<FieldWritable> values,
                   OutputCollector<Text,FieldIndexer.LuceneDocumentWrapper> output,
                   Reporter reporter)
            throws IOException

Specified by:

reduce in interface Reducer<Text,FieldWritable,Text,FieldIndexer.LuceneDocumentWrapper>

Throws:

IOException

index

public void index(Path[] fields,
                  Path indexDir)
           throws IOException

Throws:

IOException

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

run

public int run(String[] args)
        throws Exception

Specified by:

run in interface Tool

Throws:

Exception