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/**
* Copyright (c) 2004 - 2009 Eike Stepper (Berlin, Germany) and others.
* 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:
* Kai Schlamp - initial API and implementation
* Eike Stepper - maintenance
*/
package org.eclipse.emf.cdo.server.internal.db;
import org.eclipse.emf.ecore.EModelElement;
import org.eclipse.emf.ecore.util.EcoreUtil;
/**
* @author Kai Schlamp
*/
public enum DBAnnotation
{
TABLE_NAME("tableName"), //
COLUMN_NAME("columnName"), //
COLUMN_TYPE("columnType"), //
COLUMN_LENGTH("columnLength");
public final static String SOURCE_URI = "http://www.eclipse.org/CDO/DBStore";
private String keyword;
private DBAnnotation(String keyword)
{
this.keyword = keyword;
}
public String getKeyword()
{
return keyword == null ? super.toString() : keyword;
}
/**
* @return A non-empty string or <code>null</code>.
*/
public String getValue(EModelElement element)
{
String value = EcoreUtil.getAnnotation(element, SOURCE_URI, keyword);
if (value != null && value.length() == 0)
{
return null;
}
return value;
}
@Override
public String toString()
{
return getKeyword();
}
}
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