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/**
 * Copyright (C) 2016 - 2030 youtongluan.
 *
 * 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 org.yx.annotation;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * 相当于spring的AutoWired,使用在全局变量上.它只会注入当前值为null的字段。
* 下列三种方式优先级从高到低注入对象,只有在上一种方式无法获取对象的时候,才使用下一种方式注入:
* 1、使用name和clz获取对象
* 2、使用name获取对象
* 3、使用clz获取对象
* * @author 游夏 * */ @Target({ ElementType.FIELD }) @Retention(RetentionPolicy.RUNTIME) @Documented public @interface Inject { /** * 数组、集合类型不可能为null,但是可以为空 * * @return 如果为true,表示可以为null或空集合 */ boolean allowEmpty() default false; }




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