## Uses of Class
org.apache.nutch.crawl.NutchWritable

- Packages that use NutchWritable
  Package | Description
  --- | ---
  org.apache.nutch.crawl | Crawl control code and tools to run the crawler.
  org.apache.nutch.fetcher | The Nutch multi-threaded fetching module
  org.apache.nutch.hostdb |
  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.metadata | A Multi-valued Metadata container, and set of constant fields for Nutch Metadata.
  org.apache.nutch.scoring.webgraph | Scoring implementation based on link analysis (`LinkRank`), see `WebGraph`.
  org.apache.nutch.segment | A segment stores all data from on generate/fetch/update cycle: fetch list, protocol status, raw content, parsed content, and extracted outgoing links.
  org.apache.nutch.tools.warc | Tools to import / export between Nutch segments and WARC archives.

- - ### Uses of NutchWritable in org.apache.nutch.crawl

    Method parameters in org.apache.nutch.crawl with type arguments of type NutchWritable
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | CrawlDbReader.CrawlDbStatReducer.`reduce​(Text key, Iterable<NutchWritable> values, Reducer.Context context)` |

  - ### Uses of NutchWritable in org.apache.nutch.fetcher

    Methods in org.apache.nutch.fetcher that return types with arguments of type NutchWritable
    Modifier and Type | Method | Description
    --- | --- | ---
    `RecordWriter<Text,​NutchWritable>` | FetcherOutputFormat.`getRecordWriter​(TaskAttemptContext context)` |

  - ### Uses of NutchWritable in org.apache.nutch.hostdb

    Method parameters in org.apache.nutch.hostdb with type arguments of type NutchWritable
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | UpdateHostDbReducer.`reduce​(Text key, Iterable<NutchWritable> values, Reducer.Context context)` |

  - ### Uses of NutchWritable in org.apache.nutch.indexer

    Method parameters in org.apache.nutch.indexer with type arguments of type NutchWritable
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | IndexerMapReduce.IndexerReducer.`reduce​(Text key, Iterable<NutchWritable> values, Reducer.Context context)` |

  - ### Uses of NutchWritable in org.apache.nutch.metadata

    Subclasses of NutchWritable in org.apache.nutch.metadata
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `MetaWrapper` | This is a simple decorator that adds metadata to any Writable-s that can be serialized by `NutchWritable`.

  - ### Uses of NutchWritable in org.apache.nutch.scoring.webgraph

    Method parameters in org.apache.nutch.scoring.webgraph with type arguments of type NutchWritable
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | WebGraph.OutlinkDb.OutlinkDbReducer.`reduce​(Text key, Iterable<NutchWritable> values, Reducer.Context context)` |

  - ### Uses of NutchWritable in org.apache.nutch.segment

    Method parameters in org.apache.nutch.segment with type arguments of type NutchWritable
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | SegmentReader.InputCompatReducer.`reduce​(Text key, Iterable<NutchWritable> values, Reducer.Context context)` |

  - ### Uses of NutchWritable in org.apache.nutch.tools.warc

    Method parameters in org.apache.nutch.tools.warc with type arguments of type NutchWritable
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | WARCExporter.WARCMapReduce.WARCReducer.`reduce​(Text key, Iterable<NutchWritable> values, Reducer.Context context)` |