# Hierarchy For Package org.apache.nutch.indexer

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    - org.apache.nutch.indexer.IndexingFiltersChecker (implements org.apache.hadoop.util.Tool)
    - org.apache.nutch.util.NutchTool
      - org.apache.nutch.indexer.CleaningJob (implements org.apache.hadoop.util.Tool)
      - org.apache.nutch.indexer.IndexingJob (implements org.apache.hadoop.util.Tool)
  - org.apache.nutch.indexer.IndexCleaningFilters
  - org.apache.nutch.indexer.IndexingFilters
  - org.apache.nutch.indexer.IndexUtil
  - org.apache.nutch.indexer.IndexWriters
  - org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.gora.mapreduce.GoraMapper<K1,V1,K2,V2>
      - org.apache.nutch.indexer.CleaningJob.CleanMapper
      - org.apache.nutch.indexer.IndexingJob.IndexerMapper
  - org.apache.nutch.indexer.NutchDocument (implements java.lang.Iterable<T>, org.apache.hadoop.io.Writable)
  - org.apache.hadoop.mapreduce.OutputFormat<K,V>
    - org.apache.nutch.indexer.IndexerOutputFormat
  - org.apache.hadoop.mapreduce.Reducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.nutch.indexer.CleaningJob.CleanReducer
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - org.apache.nutch.indexer.IndexingException

## Interface Hierarchy

- org.apache.hadoop.conf.Configurable
  - org.apache.nutch.indexer.IndexCleaningFilter (also extends org.apache.nutch.plugin.FieldPluggable)
  - org.apache.nutch.indexer.IndexingFilter (also extends org.apache.nutch.plugin.FieldPluggable)
  - org.apache.nutch.indexer.IndexWriter (also extends org.apache.nutch.plugin.Pluggable)
- org.apache.nutch.plugin.Pluggable
  - org.apache.nutch.plugin.FieldPluggable
    - org.apache.nutch.indexer.IndexCleaningFilter (also extends org.apache.hadoop.conf.Configurable)
    - org.apache.nutch.indexer.IndexingFilter (also extends org.apache.hadoop.conf.Configurable)
  - org.apache.nutch.indexer.IndexWriter (also extends org.apache.hadoop.conf.Configurable)

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