| /******************************************************************************* |
| * Copyright (c) 2008-2011 Chair for Applied Software Engineering, |
| * Technische Universitaet Muenchen. |
| * 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: |
| * wesendon |
| ******************************************************************************/ |
| package org.eclipse.emf.emfstore.internal.client.model.util; |
| |
| import org.eclipse.emf.common.command.AbstractCommand; |
| import org.eclipse.emf.emfstore.internal.client.model.ESWorkspaceProviderImpl; |
| |
| /** |
| * Super class for all commands. |
| * |
| * @author wesendon |
| */ |
| public abstract class AbstractEMFStoreCommand extends AbstractCommand { |
| |
| private RuntimeException runtimeException; |
| |
| /** |
| * Get the runtime exception that occurred during command execution. Returns null if there was no exception |
| * |
| * @return the exception or null |
| */ |
| public RuntimeException getRuntimeException() { |
| return runtimeException; |
| } |
| |
| private boolean ignoreExceptions; |
| |
| /** |
| * Return whether the command should ignore exceptions during command execution. |
| * |
| * @return true, if exceptions should be ignored. |
| */ |
| public boolean shouldIgnoreExceptions() { |
| return ignoreExceptions; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.common.command.AbstractCommand#canUndo() |
| */ |
| @Override |
| public boolean canUndo() { |
| // return false as default, override method to implement undo. |
| return false; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.common.command.Command#execute() |
| */ |
| public void execute() { |
| try { |
| commandBody(); |
| // BEGIN SUPRESS CATCH EXCEPTION |
| } catch (final RuntimeException e) { |
| // END SUPRESS CATCH EXCEPTION |
| // record exception |
| runtimeException = e; |
| throw e; |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.common.command.AbstractCommand#prepare() |
| */ |
| @Override |
| protected boolean prepare() { |
| // return true as default, override method to implement preparation. |
| return true; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.common.command.Command#redo() |
| */ |
| public void redo() { |
| throw new UnsupportedOperationException(Messages.AbstractEMFStoreCommand_RedoNotImplemented); |
| } |
| |
| /** |
| * Content of the actual command. |
| */ |
| protected abstract void commandBody(); |
| |
| /** |
| * Executes the command on the workspaces editing domain. |
| * |
| * @param ignoreExceptions |
| * should be set to {@code true} if any thrown exception in the execution of the command should be |
| * ignored |
| */ |
| protected void aRun(boolean ignoreExceptions) { |
| this.ignoreExceptions = ignoreExceptions; |
| ESWorkspaceProviderImpl.getInstance().getEditingDomain().getCommandStack().execute(this); |
| |
| } |
| } |