net.sf.mmm.util.bean.impl

Class LookupHelper

java.lang.Object

net.sf.mmm.util.bean.impl.LookupHelper

final class LookupHelper
extends Object

Helper class for MethodHandles.Lookup in order to invoke default methods and other magic stuff.

Since:

8.0.0

Author:

hohwille

Field Summary

Fields

Modifier and Type	Field and Description
static LookupHelper	INSTANCE
private Constructor<MethodHandles.Lookup>	lookupConstructor

Constructor Summary

Constructors

Modifier	Constructor and Description
private	LookupHelper() The constructor.

Method Summary

Modifier and Type	Method and Description
Object	invokeDefaultMethod(Object instance, Method method, Object... args)
MethodHandles.Lookup	newLookup(Class<?> type)
MethodHandle	newMethodHandle(Method method)

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final LookupHelper INSTANCE

lookupConstructor

private final Constructor<MethodHandles.Lookup> lookupConstructor

Constructor Detail

LookupHelper

private LookupHelper()

The constructor.

Method Detail

newLookup

public MethodHandles.Lookup newLookup(Class<?> type)

Parameters:

type - the Class to create the MethodHandles.Lookup for.

Returns:

a new instance of MethodHandles.Lookup for the given type.

newMethodHandle

public MethodHandle newMethodHandle(Method method)

Parameters:

method - the Method.

Returns:

the according MethodHandle.

invokeDefaultMethod

public Object invokeDefaultMethod(Object instance,
                                  Method method,
                                  Object... args)