Module datarush.library

Package com.pervasive.datarush.functions

Class ListFunctionInvoker

java.lang.Object

com.pervasive.datarush.functions.ListFunctionInvoker

All Implemented Interfaces:

FunctionInvoker

public class ListFunctionInvoker
extends Object
implements FunctionInvoker

A function invoker which passes all of its arguments as a single list to the method.

Constructor Summary

Constructors

Constructor	Description
ListFunctionInvoker()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Details

ListFunctionInvoker

public ListFunctionInvoker()

Method Details

invoke

public Object invoke(Method m,
 ScalarValuedFunction[] args)
              throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Description copied from interface: FunctionInvoker

Invokes a method to return a ScalarValuedFunction, using the given arguments.

Specified by:

invoke in interface FunctionInvoker

Parameters:

m - The method to invoke.

args - The ScalarValuedFunction arguments from the call to the FunctionRegistry.

Returns:

The ScalarValuedFunction or Aggregation returned by invoking the method.

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException