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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;

import org.eclipse.jpt.db.Column;
import org.eclipse.jpt.db.Table;

/**
 * 
 * 
 * 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 NamedColumn
	extends JpaContextNode
{
	String getName();

	String getDefaultName();
		String DEFAULT_NAME_PROPERTY = "defaultName"; //$NON-NLS-1$

	String getSpecifiedName();
	void setSpecifiedName(String value);
		String SPECIFIED_NAME_PROPERTY = "specifiedName"; //$NON-NLS-1$


	String getColumnDefinition();

	void setColumnDefinition(String value);
		String COLUMN_DEFINITION_PROPERTY = "columnDefinition"; //$NON-NLS-1$


	/**
	 * Return the wrapper for the datasource column
	 */
	Column getDbColumn();

	/**
	 * Return the wrapper for the datasource table
	 */
	Table getDbTable();

	/**
	 * Return whether the column is found on the datasource.
	 */
	boolean isResolved();

	Owner getOwner();
	
	/**
	 * interface allowing columns to be used in multiple places
	 * (e.g. basic mappings and attribute overrides)
	 */
	interface Owner {
		/**
		 * Return the type mapping that contains the column.
		 */
		TypeMapping getTypeMapping();

		/**
		 * Return the database table for the specified table name
		 */
		Table getDbTable(String tableName);
		
		/**
		 * Return the default column name
		 */
		String getDefaultColumnName();
	}

}

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