# Hierarchy For Package org.apache.nutch.metadata

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.io.GenericWritable (implements org.apache.hadoop.conf.Configurable, org.apache.hadoop.io.Writable)
    - org.apache.nutch.util.GenericWritableConfigurable (implements org.apache.hadoop.conf.Configurable)
      - org.apache.nutch.crawl.NutchWritable
        - org.apache.nutch.metadata.MetaWrapper
  - org.apache.nutch.metadata.Metadata (implements org.apache.nutch.metadata.CreativeCommons, org.apache.nutch.metadata.DublinCore, org.apache.nutch.metadata.Feed, org.apache.nutch.metadata.HttpHeaders, org.apache.nutch.metadata.Nutch, org.apache.hadoop.io.Writable)
    - org.apache.nutch.metadata.SpellCheckedMetadata

## Interface Hierarchy

- org.apache.nutch.metadata.CreativeCommons
- org.apache.nutch.metadata.DublinCore
- org.apache.nutch.metadata.Feed
- org.apache.nutch.metadata.HttpHeaders
- org.apache.nutch.metadata.Nutch