# Hierarchy For Package org.apache.storm.spout

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.storm.topology.base.BaseComponent (implements org.apache.storm.topology.IComponent)
    - org.apache.storm.topology.base.BaseRichSpout (implements org.apache.storm.topology.IRichSpout)
      - org.apache.storm.spout.CheckpointSpout
  - org.apache.storm.spout.CheckPointState
  - org.apache.storm.spout.RawMultiScheme (implements org.apache.storm.spout.MultiScheme)
  - org.apache.storm.spout.RawScheme (implements org.apache.storm.spout.Scheme)
  - org.apache.storm.spout.SchemeAsMultiScheme (implements org.apache.storm.spout.MultiScheme)
  - org.apache.storm.spout.ShellSpout (implements org.apache.storm.spout.ISpout)
  - org.apache.storm.spout.SpoutOutputCollector (implements org.apache.storm.spout.ISpoutOutputCollector)

## Interface Hierarchy

- org.apache.storm.task.IErrorReporter
  - org.apache.storm.spout.ISpoutOutputCollector
- org.apache.storm.spout.IMultiSchemableSpout
- org.apache.storm.spout.ISchemableSpout
- java.io.Serializable
  - org.apache.storm.spout.ISpout
  - org.apache.storm.spout.MultiScheme
  - org.apache.storm.spout.Scheme

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.storm.spout.CheckPointState.Action
    - org.apache.storm.spout.CheckPointState.State