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 and Description
EvaluationFunction(ExecutableExpression projectionInstance, int outputCount, org.apache.calcite.DataContext dataContext) EvaluationFunction Constructor.

Method Summary

Modifier and Type	Method and 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