# Package org.apache.storm.cassandra.trident.state

- Interface Summary
  Interface | Description
  --- | ---
  StateMapper<T> |

- Class Summary
  Class | Description
  --- | ---
  CassandraBackingMap<T> | An IBackingState implementation for Cassandra.
  CassandraBackingMap.Options<T> |
  CassandraMapStateFactory | A StateFactory implementation that creates a MapState backed by CassandraBackingMap.
  CassandraQuery |
  CassandraState |
  CassandraState.Options |
  CassandraStateFactory |
  CassandraStateUpdater |
  MapStateFactoryBuilder<T> | A helper for building a MapState backed by Cassandra.
  NonTransactionalTupleStateMapper | State mapper that maps a tuple to separate state fields.
  OpaqueTupleStateMapper | State mapper that maps an opaque tuple to separate state fields.
  SerializedStateMapper<T> |
  SimpleStateMapper<T> |
  SimpleTuple | Utility class for passing around ordered key/value data with an immutable key set.
  TransactionalTupleStateMapper | State mapper that maps a transactional tuple to separate state fields.
  TridentAyncCQLResultSetValuesMapper | A result set mapper implementation which runs requests in parallel and waits for them all to finish.
  TridentResultSetValuesMapper |

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