| /******************************************************************************* |
| * Copyright (c) 2006, 2009 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.core.context; |
| |
| import org.eclipse.jpt.core.JpaStructureNode; |
| |
| |
| /** |
| * Persistent "attribute" (field or property) |
| * |
| * 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. |
| */ |
| public interface PersistentAttribute |
| extends JpaContextNode, JpaStructureNode, AccessHolder |
| { |
| String getName(); |
| String NAME_PROPERTY = "name"; //$NON-NLS-1$ |
| |
| /** |
| * Return the key for the attribute's mapping. |
| * The key may be for either the "specified" mapping or, if the "specified" |
| * mapping is missing, the "default" mapping. |
| */ |
| String getMappingKey(); |
| |
| /** |
| * Return the key for the attribute's "default" mapping. |
| */ |
| String getDefaultMappingKey(); |
| |
| /** |
| * Return the attribute's "specified" mapping, or if it is null |
| * return the "default" mapping. WIll not return null. |
| */ |
| AttributeMapping getMapping(); |
| |
| /** |
| * Return the attribute's "specified" mapping, could be null |
| */ |
| AttributeMapping getSpecifiedMapping(); |
| String SPECIFIED_MAPPING_PROPERTY = "specifiedMapping"; //$NON-NLS-1$ |
| |
| /** |
| * Clients should call this method to set the attribute's mapping. |
| * Passing in a null key will cause the "specified" mapping to be |
| * cleared and the attribute's mapping to be its "default" mapping. |
| */ |
| void setSpecifiedMappingKey(String key); |
| String DEFAULT_MAPPING_PROPERTY = "defaultMapping"; //$NON-NLS-1$ |
| |
| TypeMapping getTypeMapping(); |
| |
| PersistentType getPersistentType(); |
| |
| /** |
| * If the attribute is mapped to a primary key column, return the |
| * column's name, otherwise return null. |
| */ |
| String getPrimaryKeyColumnName(); |
| |
| /** |
| * Return whether the attribute's "attribute" mapping can be overridden. |
| */ |
| boolean isOverridableAttribute(); |
| |
| /** |
| * Return whether the attribute's "association" mapping can be overridden. |
| */ |
| boolean isOverridableAssociation(); |
| |
| /** |
| * Return whether the attribute's "attribute" mapping is for an ID. |
| */ |
| boolean isIdAttribute(); |
| |
| /** |
| * Return whether this attribute actually has a textual representation |
| * in its underlying resource (false = no) |
| */ |
| boolean isVirtual(); |
| } |