| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.workflowmodel.impl; |
| |
| import net.sf.taverna.t2.workflowmodel.EditException; |
| import net.sf.taverna.t2.workflowmodel.Processor; |
| import net.sf.taverna.t2.workflowmodel.processor.iteration.IterationStrategyStack; |
| import net.sf.taverna.t2.workflowmodel.processor.iteration.impl.IterationStrategyStackImpl; |
| |
| /** |
| * Set the iteration strategy |
| * |
| * @author Stian Soiland-Reyes |
| * |
| */ |
| public class SetIterationStrategyStackEdit extends AbstractProcessorEdit { |
| |
| private final IterationStrategyStack iterationStrategyStack; |
| private IterationStrategyStackImpl oldStrategyStack; |
| |
| public SetIterationStrategyStackEdit(Processor processor, |
| IterationStrategyStack iterationStrategyStack) { |
| super(processor); |
| this.iterationStrategyStack = iterationStrategyStack; |
| } |
| |
| @Override |
| protected void doEditAction(ProcessorImpl processor) throws EditException { |
| oldStrategyStack = processor.getIterationStrategy(); |
| |
| if (!(iterationStrategyStack instanceof IterationStrategyStackImpl)) { |
| throw new EditException( |
| "Unknown implementation of iteration strategy " |
| + iterationStrategyStack); |
| } |
| processor.iterationStack = (IterationStrategyStackImpl) iterationStrategyStack; |
| } |
| |
| @Override |
| protected void undoEditAction(ProcessorImpl processor) { |
| processor.iterationStack = oldStrategyStack; |
| } |
| |
| } |