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

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

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

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

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

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

    Methods in org.apache.storm.trident.state.map that return MapState
    Modifier and Type | Method and Description
    --- | ---
    `static <T> MapState<T>` | OpaqueMap.`build(IBackingMap<OpaqueValue> backing)`
    `static <T> MapState<T>` | NonTransactionalMap.`build(IBackingMap<T> backing)`
    `static <T> MapState<T>` | TransactionalMap.`build(IBackingMap<TransactionalValue> backing)`

    Methods in org.apache.storm.trident.state.map with parameters of type MapState
    Modifier and Type | Method and Description
    --- | ---
    `void` | MapReducerAggStateUpdater.`updateState(MapState map, List<TridentTuple> tuples, TridentCollector collector)`
    `void` | MapCombinerAggStateUpdater.`updateState(MapState map, List<TridentTuple> tuples, TridentCollector collector)`

    Constructors in org.apache.storm.trident.state.map with parameters of type MapState
    Constructor and Description
    `SnapshottableMap(MapState<T> delegate, List<Object> snapshotKey)`

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

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

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