Class Function

Known Direct Subclasses:: AggregFunction, BinaryFunction, MapLFunction, MToMFunction, UnaryFunction

public class Function

extends java.lang.Object

Field Summary
`static Function`	`NULL`
`(package private) IRepository`	`repository`

Method Summary
`Iterator`	`createIteratorInstance(Iterator arg)`
`Iterator`	`createIteratorInstance(Iterator arg1, Iterator arg2)` returns the NULL iterator
`Iterator`	`createIteratorInstance(Iterator[] args)`
`static Function`	`forName(String functionName, IRepository repository)` dynamically loads a function
`IRepository`	`getRepository()`

public static Function NULL

(package private)  IRepository repository

public Iterator createIteratorInstance(Iterator arg)

public Iterator createIteratorInstance(Iterator arg1,
                                       Iterator arg2)

returns the NULL iterator
Parameters:
arg1 -
arg2 -
Returns:

public Iterator createIteratorInstance(Iterator[] args)

Parameters:
args -
Returns:

public static Function forName(String functionName,
                               IRepository repository)

dynamically loads a function

public IRepository getRepository()

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Field Summary