org.springframework.cloud.function.context

Interface FunctionCatalog

All Known Subinterfaces:

FunctionRegistry

All Known Implementing Classes:

AbstractComposableFunctionRegistry, ContextFunctionCatalogAutoConfiguration.BeanFactoryFunctionCatalog, InMemoryFunctionCatalog

public interface FunctionCatalog

Author:

Dave Syer, Oleg Zhurakousky

Method Summary

Modifier and Type	Method and Description
Set<String>	getNames(Class<?> type)
<T> T	lookup(Class<?> type, String name) Will look up the instance of the functional interface by name and type which can only be Supplier, Consumer or Function.
default <T> T	lookup(String name) Will look up the instance of the functional interface by name only.
default int	size() Return the count of functions registered in this catalog.

Method Detail

lookup

default <T> T lookup(String name)

Will look up the instance of the functional interface by name only.

Type Parameters:

T - instance type

Parameters:

name - the name of the functional interface. Must not be null;

Returns:

instance of the functional interface registered with this catalog

lookup

<T> T lookup(Class<?> type,
             String name)

Will look up the instance of the functional interface by name and type which can only be Supplier, Consumer or Function. If type is not provided, the lookup will be made based on name only.

Type Parameters:

T - instance type

Parameters:

type - the type of functional interface. Can be null

name - the name of the functional interface. Must not be null;

Returns:

instance of the functional interface registered with this catalog

getNames

Set<String> getNames(Class<?> type)

size

default int size()

Return the count of functions registered in this catalog.

Returns:

the count of functions registered in this catalog