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/*
 * Copyright 2014 - Present Rafael Winterhalter
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.bytebuddy.implementation.bind.annotation;

import net.bytebuddy.description.method.MethodDescription;

import java.lang.annotation.*;

/**
 * Indicates that a given target method should never be considered for binding to a source method.
 *
 * @see net.bytebuddy.implementation.MethodDelegation
 * @see net.bytebuddy.implementation.bind.annotation.TargetMethodAnnotationDrivenBinder
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface IgnoreForBinding {

    /**
     * A non-instantiable type that allows to check if a method should be ignored for binding.
     */
    final class Verifier {

        /**
         * As this is merely a utility method, the constructor is not supposed to be invoked.
         */
        private Verifier() {
            throw new UnsupportedOperationException();
        }

        /**
         * Validates if a method should be ignored for binding.
         *
         * @param methodDescription The method to validate.
         * @return {@code true} if the method should not be considered for binding.
         */
        public static boolean check(MethodDescription methodDescription) {
            return methodDescription.getDeclaredAnnotations().isAnnotationPresent(IgnoreForBinding.class);
        }
    }
}