Package org.cache2k.core

Class SingleProviderResolver

java.lang.Object

org.cache2k.core.SingleProviderResolver

public class SingleProviderResolver
extends Object

Loads singletons of service provider implementations.

Author:

Jens Wilke

Constructor Summary

Constructors

Constructor	Description
SingleProviderResolver()

Method Summary

Modifier and Type	Method	Description
static <T> T	resolve(Class<T> c)	Return a provider for this interface.
static <T> T	resolve(Class<T> c, Class<? extends T> defaultImpl)	Return a provider for this interface.
static <T> T	resolveMandatory(Class<T> c)	Return a provider for this interface.

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleProviderResolver

public SingleProviderResolver()

Method Detail

resolveMandatory

public static <T> T resolveMandatory(Class<T> c)

Return a provider for this interface.

Type Parameters:

T - type of provider interface

Parameters:

c - the provider interface that is implemented

Returns:

instance of the provider, never null

Throws:

LinkageError - if there is a problem instantiating the provider or no provider was specified

resolve

public static <T> T resolve(Class<T> c)

Return a provider for this interface.

Type Parameters:

T - type of provider interface

Parameters:

c - the provider interface that is implemented

Returns:

instance of the provider or null if not found

Throws:

LinkageError - if there is a problem instantiating the provider

resolve

public static <T> T resolve(Class<T> c,
                            Class<? extends T> defaultImpl)

Return a provider for this interface.

Type Parameters:

T - type of provider interface

Parameters:

c - the provider interface that is implemented

defaultImpl - if no provider is found, instantiate the default implementation

Returns:

instance of the provider or null if not found

Throws:

LinkageError - if there is a problem instantiating the provider