/*******************************************************************************
* Copyright (c) 2014, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Martin Vojtek - July 7/2014
******************************************************************************/
package org.eclipse.persistence.oxm.annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* <b>Purpose:</b> Provide a means of setting nillable on type and package
* level, which is not possible with standard XmlElement annotation.
* <p>
* Type level annotation overrides package level annotation.
* </p>
* <p>
* Standard XmlElement with nillable attribute overrides the value of
* XmlElementNillable annotation.
* </p>
*
* @see javax.xml.bind.annotation.XmlElement
*/
@Target({ ElementType.TYPE, ElementType.PACKAGE })
@Retention(RetentionPolicy.RUNTIME)
public @interface XmlElementNillable {
/**
* (Optional) Customize the element declaration to be nillable.
* If nillable() is true, then the JavaBean property is mapped to a XML Schema nillable element declaration.
*/
boolean nillable() default true;
}