/
PrimaryKey.java
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/
PrimaryKey.java
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/*
* Copyright (c) 2020. https://rxmicro.io
*
* 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 io.rxmicro.data.sql;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.CLASS;
/**
* Denotes a model field that must be used as primary key.
*
* @author nedis
* @see SequenceGenerator
* @since 0.1
*/
@Documented
@Retention(CLASS)
@Target({FIELD, METHOD})
public @interface PrimaryKey {
/**
* Returns {@code true} if primary key must be generated by database.
*
* @return {@code true} if primary key must be generated by database
*/
boolean autoGenerated() default true;
}