com.suncode.pwfl.core.function

Interface FunctionRegistry

@Api
public interface FunctionRegistry

Function registry that holds every registered function. Functions can be registered or unregistered at any time.

Author:

Rafał Nowacki 1 gru 2015, Cezary Kozar 29 kwi 2016

Method Summary

Methods

Modifier and Type	Method and Description
Function	getFunction(String name) Returns registered function with given name.
List<Function>	getFunctions() Returns all registered functions.
boolean	isRegistered(String name) Returns true if function with given name is available.
void	registerFunction(Function function) Registers given function.
com.google.common.collect.Multimap<Class<?>,Function>	registerFunctions(ComponentDiscovery strategy) Registers all functions discovered using given strategy.
void	unregisterFunction(Function function) Removes given function from registry.

Method Detail

registerFunction

void registerFunction(Function function)
                      throws FunctionAlreadyRegisteredException,
                             InvalidFunctionException

Registers given function.

Parameters:

function - function instance

Throws:

FunctionAlreadyRegisteredException

InvalidFunctionException

unregisterFunction

void unregisterFunction(Function function)

Removes given function from registry.

Parameters:

function - function instance

registerFunctions

com.google.common.collect.Multimap<Class<?>,Function> registerFunctions(ComponentDiscovery strategy)

Registers all functions discovered using given strategy.

This operation is atomic. It will either register every discovered function or none when unexpected error occurs.

Parameters:

strategy - discovery strategy

Returns:

mapping with functions and classes used to discover those functions

getFunctions

List<Function> getFunctions()

Returns all registered functions.

Returns:

available functions

getFunction

Function getFunction(String name)
                     throws FunctionNotFoundException

Returns registered function with given name.

Returns:

function

Throws:

FunctionNotFoundException - function not found

isRegistered

boolean isRegistered(String name)

Returns true if function with given name is available.

Parameters:

name - function name

Returns:

true if function is registered