net.sf.staccatocommons.restrictions.value.Unmodifiable Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of staccatissimo-restrictions Show documentation

Library of annotations that express restrictions, that can be used to indicate preconditions, postconditions and invariants over objects and messages, focused on documentation reuse.

The newest version!

/**
 *  Copyright (c) 2010-2012, The StaccatoCommons Team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation; version 3 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 */

package net.sf.staccatocommons.restrictions.value;

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;

import net.sf.staccatocommons.restrictions.Restriction;

/**
 * Unmodifiables are objects that do not expose publicly any method that may
 * modify receiver internal state, if any. However, object's state can still be
 * mutated indirectly, if it holds and/or exposes references to objects that may
 * be mutated
 * 
 * Unmodifiables can still implement lazy initialization and/or caching, as long
 * as it remains encapsulated and is not exposed publicly
 * 
 * 
 * Types annotated as {@link Unmodifiable} denote that all their instances grant
 * to have such property. Methods annotated as {@link Unmodifiable} denote that
 * all the objects returned by them have such property.
 * 
 * 
 * @author flbulgarelli
 * @see Restriction
 */
@Documented
@Inherited
@Restriction
@Retention(RetentionPolicy.SOURCE)
@Target({ ElementType.TYPE, ElementType.METHOD })
public @interface Unmodifiable {

}