net.ymate.platform.persistence.annotation.Index Maven / Gradle / Ivy
/*
* Copyright 2007-2017 the original author or authors.
*
* 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.ymate.platform.persistence.annotation;
import java.lang.annotation.*;
/**
* 声明一个数据实体的索引
*
* @author 刘镇 ([email protected]) on 15/3/27 下午6:51
* @version 1.0
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE})
@Documented
public @interface Index {
/**
* @return 索引名称
*/
String name();
/**
* @return 是否唯一索引
*/
boolean unique() default true;
/**
* @return 索引字段名称集合
*/
String[] fields();
}