mobi.cangol.mobile.db.DatabaseField Maven / Gradle / Ivy
/**
* Copyright (c) 2013 Cangol
*
* 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 mobi.cangol.mobile.db;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* @author Cangol
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)
@Documented
@Inherited
public @interface DatabaseField {
/**
* 列名 默认为属性名
*
* @return
*/
String value() default "";
/**
* 是否主键
*
* @return
*/
boolean primaryKey() default false;
/**
* 是否可为空
*
* @return
*/
boolean notNull() default false;
/**
* 是否唯一
*
* @return
*/
boolean unique() default false;
}