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/*******************************************************************************
* Copyright (c) 2007, 2012 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;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.jpa.db.Table;
/**
* Read-only
* <ul>
* <li>join column
* <li>primary key join column
* </ul>
* 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 ReadOnlyBaseJoinColumn
extends ReadOnlyNamedColumn
{
// ********** referenced column name **********
/**
* Return the specified referenced column name if present,
* otherwise return the default referenced column name.
*/
String getReferencedColumnName();
String getSpecifiedReferencedColumnName();
String SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY = "specifiedReferencedColumnName"; //$NON-NLS-1$
String getDefaultReferencedColumnName();
String DEFAULT_REFERENCED_COLUMN_NAME_PROPERTY = "defaultReferencedColumnName"; //$NON-NLS-1$
/**
* Return the (best guess) text location of the join column's
* referenced column name.
*/
TextRange getReferencedColumnNameTextRange();
// ********** misc **********
/**
* Return the wrapper for the referenced column datasource table
*/
Table getReferencedColumnDbTable();
boolean referencedColumnIsResolved();
// ********** owner **********
/**
* Interface allowing columns to be used in multiple places
* (e.g. basic mappings and attribute overrides).
*/
interface Owner
extends ReadOnlyNamedColumn.Owner
{
/**
* Return the wrapper for the datasource table for the referenced column
*/
Table getReferencedColumnDbTable();
/**
* Return the number of join columns in the owner's list the join
* column belongs to.
*/
int getJoinColumnsSize();
}
}
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