/*******************************************************************************
* Copyright (c) 2005, 2007 IBM Corporation 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:
* IBM - Initial API and implementation
*******************************************************************************/
package org.eclipse.ocl.helper;
/**
* An enumeration of OCL constraint types, primarily for determining the
* appropriate choices for syntax completion and for generic helper-based
* parsing.
*
* @see OCLHelper#getSyntaxHelp(ConstraintKind, String)
* @see OCLHelper#createConstraint(ConstraintKind, String)
*
* @author Christian W. Damus (cdamus)
*/
public enum ConstraintKind {
/**
* Indicates an invariant constraint context.
* This is also an appropriate value for syntax-completion of query
* expressions.
*/
INVARIANT,
/** Indicates an operation precondition context. */
PRECONDITION,
/** Indicates an operation body condition context. */
BODYCONDITION,
/** Indicates an operation postcondition context. */
POSTCONDITION,
/** Indicates an attribute initial-value constraint context. */
INITIAL,
/** Indicates an attribute derived-value constraint context. */
DERIVATION,
/** Indicates an additional attribute operation definition context. */
DEFINITION;
}