| /******************************************************************************* |
| * Copyright (c) 2011-2015 EclipseSource Muenchen GmbH and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Johannes Faltermeier - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.emf.ecp.spi.view.migrator.string; |
| |
| import org.eclipse.emf.ecp.view.migrator.ViewModelMigrationException; |
| |
| /** |
| * A String View Model Migrator may migrate view models which are available in memory as a string representation. |
| * |
| * @author Johannes Faltermeier |
| * @since 1.8 |
| * |
| */ |
| public interface StringViewModelMigrator { |
| |
| /** |
| * Checks whether a view model needs to be migrated. |
| * |
| * @param serializedViewModel the view model that should be checked |
| * @return true, if the view model does not require a migration, false otherwise. |
| */ |
| boolean checkMigration(String serializedViewModel); |
| |
| /** |
| * Migrates a view model to the latest version. |
| * |
| * @param serializedViewModel the view model that should be checked |
| * @return the migrated string |
| * @throws ViewModelMigrationException in case of an error |
| */ |
| String performMigration(String serializedViewModel) throws ViewModelMigrationException; |
| } |