org.apache.nutch.indexer.anchor

Class AnchorIndexingFilter

java.lang.Object

org.apache.nutch.indexer.anchor.AnchorIndexingFilter

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, IndexingFilter, Pluggable

public class AnchorIndexingFilter
extends Object
implements IndexingFilter

Indexing filter that offers an option to either index all inbound anchor text for a document or deduplicate anchors. Deduplication does have it's con's,

See Also:

anchorIndexingFilter.deduplicate} in nutch-default.xml.

Field Summary

Fields

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

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

X_POINT_ID

Constructor Summary

Constructors

Constructor and Description
AnchorIndexingFilter()

Method Summary

Methods

Modifier and Type	Method and Description
NutchDocument	filter(NutchDocument doc, Parse parse, org.apache.hadoop.io.Text url, CrawlDatum datum, Inlinks inlinks) The AnchorIndexingFilter filter object which supports boolean configuration settings for the deduplication of anchors.
org.apache.hadoop.conf.Configuration	getConf() Get the Configuration object
void	setConf(org.apache.hadoop.conf.Configuration conf) Set the Configuration object

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

AnchorIndexingFilter

public AnchorIndexingFilter()

Method Detail

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Set the Configuration object

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

getConf

public org.apache.hadoop.conf.Configuration getConf()

Get the Configuration object

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

filter

public NutchDocument filter(NutchDocument doc,
                   Parse parse,
                   org.apache.hadoop.io.Text url,
                   CrawlDatum datum,
                   Inlinks inlinks)
                     throws IndexingException

The AnchorIndexingFilter filter object which supports boolean configuration settings for the deduplication of anchors. See anchorIndexingFilter.deduplicate in nutch-default.xml.

Specified by:

filter in interface IndexingFilter

Parameters:

doc - The NutchDocument object

parse - The relevant Parse object passing through the filter

url - URL to be filtered for anchor text

datum - The CrawlDatum entry

inlinks - The Inlinks containing anchor text

Returns:

filtered NutchDocument

Throws:

IndexingException