/*******************************************************************************
* Copyright (c) 2013 Rene Schneider, GEBIT Solutions GmbH 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
*******************************************************************************/
package de.gebit.integrity.parameter.conversion;
/**
* This enum offers various ways in which unresolvable variables are to be handled during conversions.
*
* @author Rene Schneider - initial API and implementation
*
*/
public enum UnresolvableVariableHandling {
/**
* Throw an exception.
*/
EXCEPTION,
/**
* Resolve to null (the value, not the string 'null').
*/
RESOLVE_TO_NULL_VALUE,
/**
* Resolve to a string with the name of the variable.
*/
RESOLVE_TO_NAME_STRING,
/**
* Resolve to the string '???'.
*/
RESOLVE_TO_UNRESOLVABLE_OBJECT,
/**
* Keep the variable reference as-is.
*/
KEEP_UNRESOLVED;
}