# Hierarchy For Package org.apache.cassandra.db.index

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.cassandra.db.compaction.CompactionInfo.Holder
    - org.apache.cassandra.db.index.SecondaryIndexBuilder
  - org.apache.cassandra.db.index.SecondaryIndex
    - org.apache.cassandra.db.index.PerColumnSecondaryIndex
      - org.apache.cassandra.db.index.AbstractSimplePerColumnSecondaryIndex
    - org.apache.cassandra.db.index.PerRowSecondaryIndex
  - org.apache.cassandra.db.index.SecondaryIndexManager
  - org.apache.cassandra.db.index.SecondaryIndexSearcher
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - org.apache.cassandra.db.index.IndexNotAvailableException

## Interface Hierarchy

- org.apache.cassandra.db.index.SecondaryIndexManager.Updater