# Uses of Package
org.apache.nutch.indexer

Packages that use org.apache.nutch.indexer
Package
Description
org.apache.nutch.analysis.lang
Text document language identifier.
org.apache.nutch.exchange
Control code for exchange component, which acts in indexing job and decides to which index writer a document should be routed, based on plugins behavior.
org.apache.nutch.exchange.jexl
Plugin of Exchange component based on JEXL expressions.
org.apache.nutch.indexer
Index content, configure and run indexing and cleaning jobs to add, update, and delete documents from an index.
org.apache.nutch.indexer.anchor
An indexing plugin for inbound anchor text.
org.apache.nutch.indexer.arbitrary
Indexing filter to add document arbitrary data to the index from the output of a user-specified class.
org.apache.nutch.indexer.basic
A basic indexing plugin, adds basic fields: url, host, title, content, etc.
org.apache.nutch.indexer.feed
Indexing filter to index meta data from RSS feeds.
org.apache.nutch.indexer.filter
org.apache.nutch.indexer.geoip
This plugin implements an indexing filter which takes advantage of the GeoIP2-java API.
org.apache.nutch.indexer.jexl
This plugin implements a dynamic indexing filter which uses JEXL expressions to allow filtering based on the page's metadata
org.apache.nutch.indexer.links
org.apache.nutch.indexer.metadata
Indexing filter to add document metadata to the index.
org.apache.nutch.indexer.more
A more indexing plugin, adds "more" index fields:last modified date, MIME type, content length.
org.apache.nutch.indexer.replace
Indexing filter to allow pattern replacements on metadata.
org.apache.nutch.indexer.staticfield
A simple plugin called at indexing that adds fields with static data.
org.apache.nutch.indexer.subcollection
Indexing filter to assign documents to subcollections.
org.apache.nutch.indexer.tld
Top Level Domain Indexing plugin.
org.apache.nutch.indexer.urlmeta
URL Meta Tag Indexing Plugin
org.apache.nutch.indexwriter.cloudsearch
org.apache.nutch.indexwriter.csv
Index writer plugin to write a plain CSV file.
org.apache.nutch.indexwriter.dummy
Index writer plugin for debugging, writes pairs of <action, url> to a text file, action is one of "add", "update", or "delete".
org.apache.nutch.indexwriter.elastic
Index writer plugin for Elasticsearch.
org.apache.nutch.indexwriter.kafka
Index writer plugin to produce JSON messages to Kafka.
org.apache.nutch.indexwriter.opensearch1x
Index writer plugin for OpenSearch.
org.apache.nutch.indexwriter.rabbit
org.apache.nutch.indexwriter.solr
Index writer plugin for Apache Solr.
org.apache.nutch.microformats.reltag
A microformats Rel-Tag Parser/Indexer/Querier plugin.
org.apache.nutch.scoring
The `ScoringFilter` interface.
org.apache.nutch.scoring.depth
Scoring filter to stop crawling at a configurable depth (number of "hops" from seed URLs).
org.apache.nutch.scoring.link
Scoring filter used in conjunction with `WebGraph`.
org.apache.nutch.scoring.opic
Scoring filter implementing a variant of the Online Page Importance Computation (OPIC) algorithm.
org.apache.nutch.tools
Miscellaneous tools.
org.creativecommons.nutch
Sample plugins that parse and index Creative Commons metadata.

- Classes in org.apache.nutch.indexer used by org.apache.nutch.analysis.lang
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.exchange
  Class
  Description
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.exchange.jexl
  Class
  Description
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer
  Class
  Description
  IndexingException
  IndexWriterParams
  IndexWriters
  Creates and caches `IndexWriter` implementing plugins.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
  NutchField
  This class represents a multi-valued field with a weight.
  NutchIndexAction
  A `NutchIndexAction` is the new unit of indexing holding the document and action information.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.anchor
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.arbitrary
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.basic
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.feed
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.filter
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.geoip
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.jexl
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.links
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.metadata
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.more
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.replace
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.staticfield
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.subcollection
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.tld
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexer.urlmeta
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexwriter.cloudsearch
  Class
  Description
  IndexWriter
  IndexWriterParams
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexwriter.csv
  Class
  Description
  IndexWriter
  IndexWriterParams
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexwriter.dummy
  Class
  Description
  IndexWriter
  IndexWriterParams
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexwriter.elastic
  Class
  Description
  IndexWriter
  IndexWriterParams
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexwriter.kafka
  Class
  Description
  IndexWriter
  IndexWriterParams
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexwriter.opensearch1x
  Class
  Description
  IndexWriter
  IndexWriterParams
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexwriter.rabbit
  Class
  Description
  IndexWriter
  IndexWriterParams
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.indexwriter.solr
  Class
  Description
  IndexWriter
  IndexWriterParams
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.microformats.reltag
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.scoring
  Class
  Description
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.scoring.depth
  Class
  Description
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.scoring.link
  Class
  Description
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.scoring.opic
  Class
  Description
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.apache.nutch.tools
  Class
  Description
  NutchDocument
  A `NutchDocument` is the unit of indexing.
- Classes in org.apache.nutch.indexer used by org.creativecommons.nutch
  Class
  Description
  IndexingException
  IndexingFilter
  Extension point for indexing.
  NutchDocument
  A `NutchDocument` is the unit of indexing.