# Hierarchy For Package org.apache.storm.hdfs.common

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.storm.hdfs.common.AbstractHDFSWriter (implements org.apache.storm.hdfs.bolt.Writer)
    - org.apache.storm.hdfs.common.AvroGenericRecordHDFSWriter
    - org.apache.storm.hdfs.common.HDFSWriter
    - org.apache.storm.hdfs.common.SequenceFileWriter
  - org.apache.storm.hdfs.common.HdfsUtils
  - org.apache.storm.hdfs.common.HdfsUtils.Pair<K,​V>
  - org.apache.storm.hdfs.common.ModifTimeComparator (implements java.util.Comparator<T>)
  - org.apache.storm.hdfs.common.NullPartitioner (implements org.apache.storm.hdfs.common.Partitioner)

## Interface Hierarchy

- java.io.Serializable
  - org.apache.storm.hdfs.common.Partitioner