org.kuali.rice.krms.api.repository.function
Interface FunctionRepositoryService

All Known Implementing Classes:

FunctionBoServiceImpl

public interface FunctionRepositoryService

The function repository contains information about custom functions which can be used on propositions that are defined when constructing rules.

Author:

Kuali Rice Team (rice.collab@kuali.org)

Method Summary

FunctionDefinition	getFunction(String functionId) Retrieves the function for the given functionId.
List<FunctionDefinition>	getFunctions(List<String> functionIds) Retrieves all of the functions for the given list of functionIds.

Method Detail

getFunction

FunctionDefinition getFunction(String functionId)

Retrieves the function for the given functionId. The function can be used when constructing propositions and defines the type of the parameters to the function as well as it's return type.

Parameters:

functionId - the id of the function to retrieve

Returns:

the function definition, or null if no function could be located for the given functionId

Throws:

IllegalArgumentException - if the given functionId is null

getFunctions

List<FunctionDefinition> getFunctions(List<String> functionIds)

Retrieves all of the functions for the given list of functionIds. The function can be used when constructing propositions and defines the type of the parameters to the function as well as it's return type.

The list which is returned from this operation may not be the same size as the list which is passed to this method. If a function doesn't exist for a given function id then no result for that id will be returned in the list. As a result of this, the returned list can be empty, but it will never be null.

Parameters:

functionIds - the list of function ids for which to retrieve the functions

Returns:

the list of functions for the given ids, this list will only contain functions for the ids that were resolved successfully, it will never return null but could return an empty list if no functions could be loaded for the given set of ids

Throws:

IllegalArgumentException - if the given list of functionIds is null