# 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.