| /* |
| * Copyright (c) 1998, 2019 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.oxm.mappings.nullpolicy; |
| |
| /** |
| * <b>Description</b>: |
| * An enum that is used within a Node Null Policy to determine what to marshal for a null node.<br> |
| * We define 3 final instances available to the user (XSI_NIL, ABSENT_NODE(default) and EMPTY_NODE. |
| * |
| * <table border="1"> |
| * <caption>Node Null Policy</caption> |
| * <tr> |
| * <th id="c1">Flag</th> |
| * <th id="c2">Description</th> |
| * </tr> |
| * <tr> |
| * <td headers="c1"> XSI_NIL </td> |
| * <td headers="c2">Nillable: Write out an xsi:nil="true" attribute.</td> |
| * </tr> |
| * <tr> |
| * <td headers="c1"> ABSENT_NODE(default) </td> |
| * <td headers="c2">Optional: Write out no node.</td> |
| * </tr> |
| * <tr> |
| * <td headers="c1" style="nowrap"> EMPTY_NODE </td> |
| * <td headers="c2">Required: Write out an empty {@literal <node/>} or node="" node.</td> |
| * </tr> |
| * </table> |
| * @see org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy |
| */ |
| public enum XMLNullRepresentationType { |
| |
| /** |
| * Write out an xsi:nil="true" attribute. Nillable policy behavior. |
| */ |
| XSI_NIL, |
| |
| /** |
| * Do not write out anything (default optional policy behavior). |
| */ |
| ABSENT_NODE, |
| |
| /** |
| * Write out an empty node. Required policy behavior |
| */ |
| EMPTY_NODE |
| } |