| /******************************************************************************* |
| * Copyright (c) 2008, 2010 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.context; |
| |
| /** |
| * JPA attribute mapping that is optional (e.g. basic, single relationship). |
| * From the JPA spec: |
| * <pre> |
| * Whether the value of the field or property may be null. This is a hint |
| * and is disregarded for primitive types; it may be used in schema generation. |
| * </pre> |
| * Provisional API: This interface is part of an interim API that is still |
| * under development and expected to change significantly before reaching |
| * stability. It is available at this early stage to solicit feedback from |
| * pioneering adopters on the understanding that any code that uses this API |
| * will almost certainly be broken (repeatedly) as the API evolves. |
| * |
| * @version 2.2 |
| * @since 2.0 |
| */ |
| public interface OptionalMapping |
| extends AttributeMapping |
| { |
| boolean isOptional(); |
| |
| boolean isDefaultOptional(); |
| String DEFAULT_OPTIONAL_PROPERTY = "defaultOptional"; //$NON-NLS-1$ |
| boolean DEFAULT_OPTIONAL = true; |
| |
| Boolean getSpecifiedOptional(); |
| void setSpecifiedOptional(Boolean newSpecifiedOptional); |
| String SPECIFIED_OPTIONAL_PROPERTY = "specifiedOptional"; //$NON-NLS-1$ |
| |
| } |