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/*******************************************************************************
* Copyright (c) 2009, 2011 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;
/**
* Primary key join column relationship strategy.
* <p>
* 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.
*
* @see RelationshipMapping
* @see PrimaryKeyJoinColumnRelationship
*
* @version 2.2
* @since 2.2
*/
public interface PrimaryKeyJoinColumnRelationshipStrategy
extends RelationshipStrategy
{
/**
* Change notification identifier for "primaryKeyJoinColumns" list
*/
String PRIMARY_KEY_JOIN_COLUMNS_LIST = "primaryKeyJoinColumns"; //$NON-NLS-1$
/**
* Return a list iterator of the primary key join columns.
* This will not be null.
*/
ListIterator<? extends PrimaryKeyJoinColumn> primaryKeyJoinColumns();
/**
* Return the number of join columns, both specified and default.
*/
int primaryKeyJoinColumnsSize();
/**
* Return whether this has any primary key join columns.
* (Equivalent to {@link #primaryKeyJoinColumnsSize()} == 0)
*/
boolean hasPrimaryKeyJoinColumns();
/**
* Return the primary key join column at the specified index.
*/
PrimaryKeyJoinColumn getPrimaryKeyJoinColumn(int index);
/**
* Add a specified join column to the join table return the object
* representing it.
*/
PrimaryKeyJoinColumn addPrimaryKeyJoinColumn();
/**
* Add a specified join column to the join table return the object
* representing it.
*/
PrimaryKeyJoinColumn addPrimaryKeyJoinColumn(int index);
/**
* Remove the specified join column from the join table.
*/
void removePrimaryKeyJoinColumn(int index);
/**
* Remove the specified join column at the index from the join table.
*/
void removePrimaryKeyJoinColumn(PrimaryKeyJoinColumn primaryKeyJoinColumn);
/**
* Move the specified join column from the source index to the target index.
*/
void movePrimaryKeyJoinColumn(int targetIndex, int sourceIndex);
}
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