| /******************************************************************************* |
| * 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.Dataflow; |
| import net.sf.taverna.t2.workflowmodel.EditException; |
| import net.sf.taverna.t2.workflowmodel.Merge; |
| |
| /** |
| * An Edit class responsible for adding a Merge to the dataflow. |
| * |
| * @author Tom Oinn |
| * |
| */ |
| public class AddMergeEdit extends AbstractDataflowEdit{ |
| |
| private Merge merge; |
| |
| protected AddMergeEdit(Dataflow dataflow, Merge merge) { |
| super(dataflow); |
| this.merge=merge; |
| } |
| |
| /** |
| * Adds the Merge instance to the Dataflow |
| * |
| * @throws EditException if the edit has already taken place (without an intermediate undo) or a processor with that name already exists. |
| */ |
| @Override |
| protected void doEditAction(DataflowImpl dataflow) throws EditException { |
| if (merge instanceof MergeImpl) { |
| dataflow.addMerge((MergeImpl)merge); |
| } |
| else { |
| throw new EditException("The Merge is of the wrong implmentation, it should be of type MergeImpl"); |
| } |
| } |
| |
| @Override |
| protected void undoEditAction(DataflowImpl dataflow) { |
| dataflow.removeMerge(merge); |
| } |
| } |