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/*******************************************************************************
* Copyright (c) 2009, 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;
/**
* A JpaPlatform contains a JpaPlatformVariation. This is used for various jpa spec
* items that are either optional or only supported by certain version of the spec.
* Each platform implementation must determine if it supports these things.
*
* 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 2.3
* @since 2.3
*/
public interface JpaPlatformVariation
{
/**
* Return whether table-per-concrete-class is a supported
* inheritance strategy in the JPA platform.
* Supported.MAYBE means that it is in the JPA spec, but not portable
* or might not be supported by a particular provider.
* @return
*/
Supported getTablePerConcreteClassInheritanceIsSupported();
/**
* This is used to determine if a relationship mapping that uses a join table
* can be overridden with an association override.
*/
boolean isJoinTableOverridable();
public enum Supported {
/**
* fully supported by the platform
*/
YES,
/**
* not supported by the platform
*/
NO,
/**
* in the JPA spec, might not supported be supported by a particular provider
*/
MAYBE,
}
}
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