net.lenni0451.lambdaevents.generator

Class MethodHandleGenerator

java.lang.Object

net.lenni0451.lambdaevents.generator.MethodHandleGenerator

All Implemented Interfaces:

IGenerator

public class MethodHandleGenerator
extends java.lang.Object
implements IGenerator

The IGenerator implementation which calls the handler method using method handles.

Constructor Summary

Constructors

Constructor and Description
MethodHandleGenerator() Use the MethodHandles.Lookup of the current ClassLoader.
MethodHandleGenerator(java.lang.invoke.MethodHandles.Lookup lookup)

Method Summary

Modifier and Type	Method and Description
AHandler	generate(java.lang.Class<?> owner, java.lang.Object instance, EventHandler annotation, java.lang.reflect.Method method, java.lang.Class<?> arg) Generate an AHandler for the given method with an event parameter.
AHandler	generateVirtual(java.lang.Class<?> owner, java.lang.Object instance, EventHandler annotation, java.lang.reflect.Method method) Generate an AHandler for the given method without an event parameter.

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodHandleGenerator

public MethodHandleGenerator()

Use the MethodHandles.Lookup of the current ClassLoader.

MethodHandleGenerator

public MethodHandleGenerator(@Nonnull
                             java.lang.invoke.MethodHandles.Lookup lookup)

Parameters:

lookup - The MethodHandles.Lookup to use

Method Detail

generate

@Nonnull
public AHandler generate(@Nonnull
                                   java.lang.Class<?> owner,
                                   @Nullable
                                   java.lang.Object instance,
                                   @Nonnull
                                   EventHandler annotation,
                                   @Nonnull
                                   java.lang.reflect.Method method,
                                   @Nonnull
                                   java.lang.Class<?> arg)

Description copied from interface: IGenerator

Generate an AHandler for the given method with an event parameter.

Specified by:

generate in interface IGenerator

Parameters:

owner - The owner of the handler method

instance - The instance of the handler owner

annotation - The EventHandler annotation of the handler method

method - The handler method

arg - The event class

Returns:

The generated handler

generateVirtual

@Nonnull
public AHandler generateVirtual(@Nonnull
                                          java.lang.Class<?> owner,
                                          @Nullable
                                          java.lang.Object instance,
                                          @Nonnull
                                          EventHandler annotation,
                                          @Nonnull
                                          java.lang.reflect.Method method)

Description copied from interface: IGenerator

Generate an AHandler for the given method without an event parameter.

Specified by:

generateVirtual in interface IGenerator

Parameters:

owner - The owner of the handler method

instance - The instance of the handler owner

annotation - The EventHandler annotation of the handler method

method - The handler method

Returns:

The generated handler