# Hierarchy For Package org.hibernate.search.backend.spi

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.hibernate.search.backend.spi.LuceneIndexingParameters (implements java.io.Serializable)
  - org.hibernate.search.backend.spi.LuceneIndexingParameters.ParameterSet (implements java.io.Serializable)
  - org.hibernate.search.backend.LuceneWork
    - org.hibernate.search.backend.spi.DeleteByQueryLuceneWork
  - org.hibernate.search.backend.spi.SingularTermDeletionQuery (implements org.hibernate.search.backend.spi.DeletionQuery)
  - org.hibernate.search.backend.spi.Work
    - org.hibernate.search.backend.spi.DeleteByQueryWork

## Interface Hierarchy

- org.hibernate.search.backend.spi.Backend
- org.hibernate.search.backend.spi.BackendQueueProcessor
- org.hibernate.search.backend.spi.BackendQueueProcessor.Transactional
- org.hibernate.search.backend.spi.BatchBackend
- org.hibernate.search.backend.spi.DeletionQuery
- org.hibernate.search.backend.spi.OperationDispatcher
- org.hibernate.search.backend.spi.Worker

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.hibernate.search.backend.spi.WorkType
    - org.hibernate.search.backend.spi.SingularTermDeletionQuery.Type

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