/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.geronimo.arthur.api;

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

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

/**
 * Enables to register classes which are not in the project itself.
 */
@Target(TYPE)
@Retention(RUNTIME)
public @interface RegisterClasses {
    Entry[] value();

    /**
     * Represent a class registered through {@link RegisterClasses}.
     */
    @Retention(RUNTIME)
    @Repeatable(RegisterClasses.class)
    @interface Entry {
        /**
         * @return the class ref if accessible in the project.
         */
        Class<?> clazz() default Object.class;

        /**
         * @return the classname if not always accessible in the project.
         */
        String className() default "";

        /**
         * @return how to register the class in the graal build.
         */
        RegisterClass registration() default @RegisterClass;
    }
}