| /** |
| * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany) |
| * 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: |
| * Florian Pirchner - Initial implementation |
| */ |
| package org.eclipse.osbp.runtime.common.annotations; |
| |
| import static java.lang.annotation.ElementType.FIELD; |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| |
| /** |
| * This annotation adds a constraint on a relation. Only references to objects |
| * are allowed, that match the constraint. |
| */ |
| @Target({ FIELD }) |
| @Retention(RUNTIME) |
| public @interface Constraint { |
| |
| /** |
| * The property of the target type of the reference that must match the enum |
| * literal. |
| * |
| * @return the target enum constraint[] |
| */ |
| TargetEnumConstraint[] constraints(); |
| |
| } |
| |