# Hierarchy For Package org.apache.solr.hadoop

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    - org.apache.solr.hadoop.MapReduceIndexerTool (implements org.apache.hadoop.util.Tool)
  - java.io.InputStream (implements java.io.Closeable)
    - org.apache.solr.common.util.DataInputInputStream (implements java.io.DataInput)
      - org.apache.solr.hadoop.UnbufferedDataInputInputStream
    - org.apache.solr.hadoop.DataInputInputStream
  - org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.solr.hadoop.LineRandomizerMapper
    - org.apache.solr.hadoop.SolrMapper<KEYIN,VALUEIN>
    - org.apache.solr.hadoop.TreeMergeMapper
  - org.apache.hadoop.mapreduce.OutputFormat<K,V>
    - org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<K,V>
      - org.apache.solr.hadoop.SolrOutputFormat<K,V>
      - org.apache.solr.hadoop.TreeMergeOutputFormat
  - java.io.OutputStream (implements java.io.Closeable, java.io.Flushable)
    - org.apache.solr.hadoop.DataOutputOutputStream
  - org.apache.hadoop.mapreduce.Partitioner<KEY,VALUE>
    - org.apache.solr.hadoop.SolrCloudPartitioner (implements org.apache.hadoop.conf.Configurable)
  - org.apache.solr.hadoop.PathArgumentType (implements net.sourceforge.argparse4j.inf.ArgumentType<T>)
  - org.apache.solr.hadoop.PathParts
  - org.apache.hadoop.mapreduce.Reducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.solr.hadoop.LineRandomizerReducer
    - org.apache.solr.hadoop.SolrReducer
  - org.apache.solr.hadoop.SolrInputDocumentWritable (implements org.apache.hadoop.io.Writable)
  - java.lang.Thread (implements java.lang.Runnable)
    - org.apache.solr.hadoop.HeartBeater
  - org.apache.solr.hadoop.Utils

## Interface Hierarchy

- org.apache.solr.hadoop.HdfsFileFieldNames

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.solr.hadoop.SolrCounters

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