## Uses of Interface
org.apache.storm.trident.state.map.ReadOnlyMapState

- Packages that use ReadOnlyMapState
  Package | Description
  --- | ---
  org.apache.storm.starter.trident |
  org.apache.storm.trident.operation.builtin |
  org.apache.storm.trident.state.map |
  org.apache.storm.trident.testing |

- - ### Uses of ReadOnlyMapState in org.apache.storm.starter.trident

    Classes in org.apache.storm.starter.trident that implement ReadOnlyMapState
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `DebugMemoryMapState<T>` |
    `static class` | `TridentReach.StaticSingleKeyMapState` |

  - ### Uses of ReadOnlyMapState in org.apache.storm.trident.operation.builtin

    Methods in org.apache.storm.trident.operation.builtin with parameters of type ReadOnlyMapState
    Modifier and Type | Method | Description
    --- | --- | ---
    `List<Object>` | MapGet.`batchRetrieve​(ReadOnlyMapState map, List<TridentTuple> keys)` |

  - ### Uses of ReadOnlyMapState in org.apache.storm.trident.state.map

    Subinterfaces of ReadOnlyMapState in org.apache.storm.trident.state.map
    Modifier and Type | Interface | Description
    --- | --- | ---
    `interface` | `MapState<T>` |

    Classes in org.apache.storm.trident.state.map that implement ReadOnlyMapState
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `NonTransactionalMap<T>` |
    `class` | `OpaqueMap<T>` |
    `class` | `SnapshottableMap<T>` |
    `class` | `TransactionalMap<T>` |

  - ### Uses of ReadOnlyMapState in org.apache.storm.trident.testing

    Classes in org.apache.storm.trident.testing that implement ReadOnlyMapState
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `LRUMemoryMapState<T>` |
    `class` | `MemoryMapState<T>` |