fr.inria.atlanmod.neoemf.bind

Class Bindings

java.lang.Object

fr.inria.atlanmod.neoemf.bind.Bindings

@ParametersAreNonnullByDefault
public final class Bindings
extends Object

A static utility class for binding.

Method Summary

Modifier and Type	Method and Description
static <T> T	find(Class<? super T> type, Function<Class<? extends BackendFactory>,String> valueMapping, String value, String variant) Retrieves the instance of the type that is bound to a BackendFactory with the given value, by using the speficied valueMapping.
static String	nameOf(Class<?> type) Retrieves the name for the specified type.
static String	schemeOf(BackendFactory factory) Retrieves the URI scheme for the specified factory.
static String	schemeOf(Class<?> type) Retrieves the URI scheme for the speficied type.
static Optional<String>	variantOf(Class<?> type) Retrieves the variant for the specified type.

Methods inherited from class java.lang.Object

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

Method Detail

schemeOf

@Nonnull
public static String schemeOf(Class<?> type)

Retrieves the URI scheme for the speficied type.

The type must be annotated with FactoryBinding, or implements BackendFactory.

Parameters:

type - the type

Returns:

the URI scheme

Throws:

BindingException - if no scheme is defined for this type

schemeOf

@Nonnull
public static String schemeOf(BackendFactory factory)

Retrieves the URI scheme for the specified factory.

Parameters:

factory - the factory

Returns:

the URI scheme

Throws:

BindingException - if no scheme is defined for this type

nameOf

@Nonnull
public static String nameOf(Class<?> type)

Retrieves the name for the specified type.

The type must be annotated with FactoryBinding, or implements BackendFactory.

Parameters:

type - the type

Returns:

the name

Throws:

BindingException - if no name is defined for this type

variantOf

@Nonnull
public static Optional<String> variantOf(Class<?> type)

Retrieves the variant for the specified type.

The type must be annotated with FactoryBinding.

Parameters:

type - the type

Returns:

the variant

find

@Nonnull
public static <T> T find(Class<? super T> type,
                                   Function<Class<? extends BackendFactory>,String> valueMapping,
                                   String value,
                                   @Nullable
                                   String variant)

Retrieves the instance of the type that is bound to a BackendFactory with the given value, by using the speficied valueMapping.

The type must be annotated with FactoryBinding.

Type Parameters:

T - the type of the instance

Parameters:

type - the type of the instance to look for

valueMapping - the mapping function to retrieve the value from the factory bound by the annotation

value - the value to look for

variant - the variant to look for

Returns:

a new instance of the type

Throws:

BindingException - if no instance of type is found for the value by using the valueMapping

See Also:

ServiceProvider.load(Class)