001/*
002 * Trident - A Multithreaded Server Alternative
003 * Copyright 2014 The TridentSDK Team
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *    http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package net.tridentsdk.reflect;
018
019import java.lang.annotation.*;
020
021/**
022 * Marks a constructor or field that is eligable for instance injection when constructed with an
023 * {@link Injector}
024 *
025 * @author The TridentSDK Team
026 * @since 0.3-alpha-DP
027 */
028@Documented
029@Retention(RetentionPolicy.RUNTIME)
030@Target({ElementType.FIELD, ElementType.CONSTRUCTOR})
031public @interface Inject {
032    /**
033     * This is the implementation selector
034     *
035     * <p>Used by the injector to provide different implementations. Leave empty if default should be used.</p>
036     *
037     * @return the implementation class
038     */
039    Class<?> meta() default Class.class;
040}