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/*******************************************************************************
* Copyright (c) 2006, 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;
import java.util.ListIterator;
/**
*
*
* 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 SingleRelationshipMapping extends RelationshipMapping, Nullable
{
// **************** fetch type **************************************
FetchType DEFAULT_FETCH_TYPE = FetchType.EAGER;
// **************** join columns **************************************
/**
* Return a list iterator of the join columns whether specified or default.
* This will not be null.
*/
<T extends JoinColumn> ListIterator<T> joinColumns();
/**
* Return the number of join columns, both specified and default.
*/
int joinColumnsSize();
/**
* Return a list iterator of the specified join columns.
* This will not be null.
*/
<T extends JoinColumn> ListIterator<T> specifiedJoinColumns();
String SPECIFIED_JOIN_COLUMNS_LIST = "specifiedJoinColumnsList";
/**
* Return the number of specified join columns.
*/
int specifiedJoinColumnsSize();
/**
* Return the default join column or null. A default join column
* only exists if there are no specified join columns.
*/
JoinColumn getDefaultJoinColumn();
String DEFAULT_JOIN_COLUMN = "defaultJoinColumn";
/**
* Add a specified join column to the join table return the object
* representing it.
*/
JoinColumn addSpecifiedJoinColumn(int index);
/**
* Remove the specified join column from the join table.
*/
void removeSpecifiedJoinColumn(int index);
/**
* Remove the specified join column at the index from the join table.
*/
void removeSpecifiedJoinColumn(JoinColumn joinColumn);
/**
* Move the specified join column from the source index to the target index.
*/
void moveSpecifiedJoinColumn(int targetIndex, int sourceIndex);
boolean containsSpecifiedJoinColumns();
}
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