io.appform.hope.core.functions

Class FunctionRegistry

java.lang.Object

io.appform.hope.core.functions.FunctionRegistry

public class FunctionRegistry
extends Object

A global registry of functions provided by library as well as registered by user.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FunctionRegistry.ConstructorMeta
static class	FunctionRegistry.FunctionMeta

Constructor Summary

Constructors

Constructor and Description
FunctionRegistry()

Method Summary

Modifier and Type	Method and Description
void	discover(List<String> packages) Discover and register HopeFunction implementations that are annotated with FunctionImplementation.
Optional<FunctionRegistry.FunctionMeta>	find(String name) Find a HopeFunction implementation by name.
void	register(Class<? extends HopeFunction> clazz) Register a HopeFunction implementation.

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionRegistry

public FunctionRegistry()

Method Detail

discover

public void discover(List<String> packages)

Discover and register HopeFunction implementations that are annotated with FunctionImplementation.

Parameters:

packages - Extra packages to be scanned besides the standard library.

register

public void register(Class<? extends HopeFunction> clazz)

Register a HopeFunction implementation. Needs to be annotated with FunctionImplementation.

Parameters:

clazz - Function class.

find

public Optional<FunctionRegistry.FunctionMeta> find(String name)

Find a HopeFunction implementation by name.

Parameters:

name - Name for the function to find

Returns:

Meta data for the function if found or null.