Package org.apache.storm.sql.runtime.streams.functions

## Class EvaluationFunction

- java.lang.Object
- - org.apache.storm.sql.runtime.streams.functions.EvaluationFunction

- All Implemented Interfaces:
    `Serializable`, `Function<Values,​Values>`, `Operation`

      public class EvaluationFunction
      extends Object
      implements Function<Values,​Values>

  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `EvaluationFunction​(ExecutableExpression projectionInstance, int outputCount, org.apache.calcite.DataContext dataContext)` | EvaluationFunction Constructor.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `Values` | `apply​(Values input)` | Applies this function to the given argument.

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

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

- - ### Constructor Detail

    - #### EvaluationFunction

          public EvaluationFunction​(ExecutableExpression projectionInstance,
                                    int outputCount,
                                    org.apache.calcite.DataContext dataContext)

      EvaluationFunction Constructor.
      Parameters:
        `projectionInstance` - ExecutableExpression
        `outputCount` - output count
        `dataContext` - DataContext

  - ### Method Detail

    - #### apply

          public Values apply​(Values input)

      Description copied from interface: `Function`
      Applies this function to the given argument.
      Specified by:
        `apply` in interface `Function<Values,​Values>`
      Parameters:
        `input` - the input to the function
      Returns:
        the function result