lombok.NoArgsConstructor Maven / Gradle / Ivy
/*
* Copyright © 2010-2011 Reinier Zwitserloot, Roel Spilker and Robbert Jan Grootjans.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Generates a no-args constructor. Will generate an error message if such
* a constructor cannot be written due to the existence of final fields.
*
* NB: Fields with constraints such as {@code @NonNull} will NOT be checked
* in such a constructor, of course!
*
* @see RequiredArgsConstructor
* @see lombok.AllArgsConstructor
*/
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.SOURCE)
public @interface NoArgsConstructor {
/**
* If set, the generated constructor will be private, and an additional static 'constructor'
* is generated with the same argument list that wraps the real constructor.
*
* Such a static 'constructor' is primarily useful as it infers type arguments.
*/
String staticName() default "";
/**
* Sets the access level of the constructor. By default, generated constructors are {@code public}.
*/
AccessLevel access() default AccessLevel.PUBLIC;
}