# Hierarchy For Package org.springframework.batch.core

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.springframework.batch.core.DefaultJobKeyGenerator (implements org.springframework.batch.core.JobKeyGenerator<T>)
  - org.springframework.batch.core.Entity (implements java.io.Serializable)
    - org.springframework.batch.core.JobExecution
    - org.springframework.batch.core.JobInstance
    - org.springframework.batch.core.StepExecution
  - org.springframework.batch.core.ExitStatus (implements java.lang.Comparable<T>, java.io.Serializable)
  - org.springframework.batch.core.JobParameter (implements java.io.Serializable)
  - org.springframework.batch.core.JobParameters (implements java.io.Serializable)
  - org.springframework.batch.core.JobParametersBuilder
  - org.springframework.batch.core.StepContribution (implements java.io.Serializable)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - org.springframework.batch.core.JobExecutionException
        - org.springframework.batch.core.JobInterruptedException
        - org.springframework.batch.core.JobParametersInvalidException
      - java.lang.RuntimeException
        - org.springframework.batch.core.StartLimitExceededException
        - org.springframework.batch.core.UnexpectedJobExecutionException

## Interface Hierarchy

- org.springframework.batch.core.Job
- org.springframework.batch.core.JobExecutionListener
- org.springframework.batch.core.JobKeyGenerator<T>
- org.springframework.batch.core.JobParametersIncrementer
- org.springframework.batch.core.JobParametersValidator
- org.springframework.batch.core.Step
- org.springframework.batch.core.StepListener
  - org.springframework.batch.core.ChunkListener
  - org.springframework.batch.core.ItemProcessListener<T,S>
  - org.springframework.batch.core.ItemReadListener<T>
  - org.springframework.batch.core.ItemWriteListener<S>
  - org.springframework.batch.core.SkipListener<T,S>
  - org.springframework.batch.core.StepExecutionListener

## Enum Class Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.lang.constant.Constable, java.io.Serializable)
    - org.springframework.batch.core.BatchStatus
    - org.springframework.batch.core.JobParameter.ParameterType