org.apache.nutch.indexer.basic

## Class BasicIndexingFilter

- java.lang.Object
- - org.apache.nutch.indexer.basic.BasicIndexingFilter

- All Implemented Interfaces:
    Configurable, IndexingFilter, Pluggable

      public class BasicIndexingFilter
      extends java.lang.Object
      implements IndexingFilter

  Adds basic searchable fields to a document. The fields added are : domain, host, url, content, title, cache, tstamp domain is included depending on `indexer.add.domain` in nutch-default.xml. title is truncated as per `indexer.max.title.length` in nutch-default.xml. (As per NUTCH-1004, a zero-length title is not added) content is truncated as per `indexer.max.content.length` in nutch-default.xml.

- - ### Field Summary

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

      `X_POINT_ID`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `BasicIndexingFilter()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `NutchDocument` | `filter(NutchDocument doc, Parse parse, Text url, CrawlDatum datum, Inlinks inlinks)` The `BasicIndexingFilter` filter object which supports few configuration settings for adding basic searchable fields.
    `Configuration` | `getConf()` Get the `Configuration` object
    `void` | `setConf(Configuration conf)` Set the `Configuration` object

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### BasicIndexingFilter

          public BasicIndexingFilter()

  - ### Method Detail

    - #### filter

          public NutchDocument filter(NutchDocument doc,
                                      Parse parse,
                                      Text url,
                                      CrawlDatum datum,
                                      Inlinks inlinks)
                               throws IndexingException

      The `BasicIndexingFilter` filter object which supports few configuration settings for adding basic searchable fields. See `indexer.add.domain`, `indexer.max.title.length`, `indexer.max.content.length` 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`

    - #### setConf

          public void setConf(Configuration conf)

      Set the `Configuration` object
      Specified by:
        `setConf` in interface `Configurable`

    - #### getConf

          public Configuration getConf()

      Get the `Configuration` object
      Specified by:
        `getConf` in interface `Configurable`

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