Module datarush.library
Package com.pervasive.datarush.functions

Interface FunctionInvoker

All Known Implementing Classes:
DefaultFunctionInvoker, FormatFunctionInvoker, ListFunctionInvoker, WavgFunctionInvoker
public interface FunctionInvoker
A FunctionInvoker is used by the FunctionRegistry to invoke a function method and by the AggregationInvoker to invoke an aggregation method.

The implementing class essentially translates an array of ScalarValuedFunction arguments into the proper format for a given function method.

A function method can specify its invoker using the Invoker annotation.

  • Method Summary

    Modifier and Type
    Method
    Description
    Object
    invoke(Method m, ScalarValuedFunction[] args)
    Invokes a method to return a ScalarValuedFunction, using the given arguments.