org.apache.storm.trident.state

## Class BaseQueryFunction<S extends State,T>

- java.lang.Object
- - org.apache.storm.trident.operation.BaseOperation
  - - org.apache.storm.trident.state.BaseQueryFunction<S,T>

- All Implemented Interfaces:
    Serializable, EachOperation, Operation, QueryFunction<S,T>
  Direct Known Subclasses:
    AbstractRedisStateQuerier, CassandraQuery, HBaseQuery, JdbcQuery, MapGet, MongoStateQuery, SnapshotGet, TupleCollectionGet

      public abstract class BaseQueryFunction<S extends State,T>
      extends BaseOperation
      implements QueryFunction<S,T>

  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `BaseQueryFunction()`

  - ### Method Summary

    - ### Methods inherited from class org.apache.storm.trident.operation.BaseOperation

      `cleanup, prepare`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface org.apache.storm.trident.state.QueryFunction

      `batchRetrieve, execute`

    - ### Methods inherited from interface org.apache.storm.trident.operation.Operation

      `cleanup, prepare`

- - ### Constructor Detail

    - #### BaseQueryFunction

          public BaseQueryFunction()

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