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

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, InstanceFactory instanceFactory) 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,
                                                                        InstanceFactory instanceFactory)

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

instanceFactory - Instance factory that should me used to create components instances

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