// annotations/database/Constraints.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

package annotations.database;

import java.lang.annotation.*;

@Target(ElementType.FIELD)

@Retention(RetentionPolicy.RUNTIME)

public @interface Constraints {

boolean primaryKey() default false;

boolean allowNull() default true;

boolean unique() default false;

}