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path: root/src/core/lombok/NoArgsConstructor.java
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/*
 * 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 <em>NOT</em> be checked
 * in such a constructor, of course!
 * 
 * @see RequiredArgsConstructor
 * @see 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 lombok.AccessLevel.PUBLIC;
}