org.fiolino.common.reflection.MethodHandleFactory Maven / Gradle / Ivy

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General structure to easily create dynamic logic via MethodHandles and others.

There is a newer version: 1.0.10

package org.fiolino.common.reflection;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Marks methods that created gtheir own {@link java.lang.invoke.MethodHandle}.
 * 
 * Each method can either have a Class argument, expecting the possible return type,
 * or no argument if the handle just creates exactly one type.
 * 

 * If the type argument is expected, then the value() must be specified.
 * 
 * Created by Michael Kuhlmann on 14.12.2015.
 */
@Retention(RUNTIME)
@Target(METHOD)
public @interface MethodHandleFactory {
    /**
     * The top level result type.
     */
    Class value() default void.class;
}