org.apache.nutch.indexer

Interface IndexWriter

All Superinterfaces:

Configurable, Pluggable

All Known Implementing Classes:

ElasticIndexWriter, SolrIndexWriter

public interface IndexWriter
extends Configurable, Pluggable

Field Summary

Fields

Modifier and Type	Field and Description
static String	X_POINT_ID The name of the extension point.

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	commit()
void	delete(String key)
String	describe() Returns a String describing the IndexWriter instance and the specific parameters it can take
void	open(Configuration job)
void	update(NutchDocument doc)
void	write(NutchDocument doc)

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Detail

X_POINT_ID

static final String X_POINT_ID

The name of the extension point.

Method Detail

open

void open(Configuration job)
          throws IOException

Throws:

IOException

write

void write(NutchDocument doc)
           throws IOException

Throws:

IOException

delete

void delete(String key)
            throws IOException

Throws:

IOException

update

void update(NutchDocument doc)
            throws IOException

Throws:

IOException

commit

void commit()
            throws IOException

Throws:

IOException

close

void close()
           throws IOException

Throws:

IOException

describe

String describe()

Returns a String describing the IndexWriter instance and the specific parameters it can take