| /******************************************************************************* |
| * Copyright (c) 2015, 2016 Willink Transformations 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: |
| * E.D.Willink - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.qvtd.compiler.internal.qvtp2qvts; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.qvtd.pivot.qvtbase.graphs.GraphStringBuilder; |
| |
| /** |
| * ConnectionRole defines which of many possible roles a connection plays |
| */ |
| public interface ConnectionRole extends GraphStringBuilder.GraphEdge |
| { |
| @Nullable String getArrowhead(); |
| |
| @NonNull String getColor(); |
| |
| /** |
| * Return a label for the connection, null for none. |
| */ |
| @Nullable String getLabel(); |
| |
| /** |
| * Return the pen width with which this connection is drawn. |
| */ |
| @NonNull Integer getPenwidth(); |
| |
| /** |
| * Return the line style with which this connection is drawn, null for solid. |
| */ |
| @Nullable String getStyle(); |
| |
| boolean isMandatory(); |
| boolean isPassed(); |
| boolean isPreferred(); |
| |
| @NonNull ConnectionRole merge(@NonNull ConnectionRole connectionRole); |
| } |