org.apache.nutch.indexwriter.dummy

Class DummyIndexWriter

java.lang.Object

org.apache.nutch.indexwriter.dummy.DummyIndexWriter

All Implemented Interfaces:

Configurable, IndexWriter, Pluggable

public class DummyIndexWriter
extends Object
implements IndexWriter

DummyIndexWriter. This pluggable indexer writes \t\n lines to a plain text file for debugging purposes. Possible actions are delete, update and add.

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	LOG

Fields inherited from interface org.apache.nutch.indexer.IndexWriter

X_POINT_ID

Constructor Summary

Constructors

Constructor and Description
DummyIndexWriter()

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
Configuration	getConf()
void	open(JobConf job, String name)
void	setConf(Configuration conf)
void	update(NutchDocument doc)
void	write(NutchDocument doc)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

public static final org.slf4j.Logger LOG

Constructor Detail

DummyIndexWriter

public DummyIndexWriter()

Method Detail

open

public void open(JobConf job,
        String name)
          throws IOException

Specified by:

open in interface IndexWriter

Throws:

IOException

delete

public void delete(String key)
            throws IOException

Specified by:

delete in interface IndexWriter

Throws:

IOException

update

public void update(NutchDocument doc)
            throws IOException

Specified by:

update in interface IndexWriter

Throws:

IOException

write

public void write(NutchDocument doc)
           throws IOException

Specified by:

write in interface IndexWriter

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface IndexWriter

Throws:

IOException

commit

public void commit()
            throws IOException

Specified by:

commit in interface IndexWriter

Throws:

IOException

getConf

public Configuration getConf()

Specified by:

getConf in interface Configurable

setConf

public void setConf(Configuration conf)

Specified by:

setConf in interface Configurable

describe

public String describe()

Description copied from interface: IndexWriter

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

Specified by:

describe in interface IndexWriter