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/*******************************************************************************
* Copyright (c) 2007, 2008 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;
/**
*
*
* 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 JoinColumn extends BaseColumn, BaseJoinColumn
{
JoinColumn.Owner getOwner();
/**
* interface allowing join columns to be used in multiple places
* (e.g. 1:1 mappings and join tables)
*/
interface Owner extends BaseJoinColumn.Owner, BaseColumn.Owner
{
/**
* return whether the specified table cannot be explicitly specified
* in the join column's 'table' element
*/
boolean tableNameIsInvalid(String tableName);
/**
* return whether the join column's table can be specified explicitly
*/
boolean tableIsAllowed();
/**
* return the entity referenced by the join column
*/
Entity getTargetEntity();
/**
* return the join column's attribute name
*/
String getAttributeName();
/**
* return the relationship mapping for this join column
*/
RelationshipMapping getRelationshipMapping();
/**
* return the size of the joinColumns collection this join column is a part of
*/
int joinColumnsSize();
}
}
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