| /******************************************************************************* |
| * Copyright (c) 2003, 2005 IBM Corporation 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: |
| * IBM Corporation - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.server.core; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| /** |
| * This interface represents a task that can be executed (and then possibly |
| * undone). To tie together multiple tasks, a common task model can be used |
| * to pass parameters to the task or have the output of one task feed into |
| * another task. |
| * |
| * <p>This interface is not intended to be implemented by clients.</p> |
| * |
| * @since 1.0 |
| */ |
| public interface ITask { |
| /** |
| * Returns the displayable name for this task. |
| * <p> |
| * Note that this name is appropriate for the current locale. |
| * </p> |
| * |
| * @return a displayable name for this task |
| */ |
| public String getName(); |
| |
| /** |
| * Returns the displayable description for this task. |
| * <p> |
| * Note that this description is appropriate for the current locale. |
| * </p> |
| * |
| * @return a displayable description for this task |
| */ |
| public String getDescription(); |
| |
| /** |
| * Return the task model. |
| * <p> |
| * A task model contains information about the overall task flow and allows |
| * tasks to store and retreive data. Its usage allows mutliple tasks to be |
| * chained together and share data from the output of one task to the input |
| * of another. |
| * </p> |
| * |
| * @return the task model |
| */ |
| public TaskModel getTaskModel(); |
| |
| /** |
| * Set the task model. |
| * <p> |
| * A task model contains information about the overall task flow and allows |
| * tasks to store and retreive data. Its usage allows mutliple tasks to be |
| * chained together and share data from the output of one task to the input |
| * of another. |
| * </p> |
| * |
| * @param taskModel the task model |
| */ |
| public void setTaskModel(TaskModel taskModel); |
| |
| /** |
| * Execute (perform) the task. |
| * |
| * @param monitor a progress monitor, or <code>null</code> if progress |
| * reporting and cancellation are not desired |
| * @throws CoreException if there was an error while executing the task |
| */ |
| public void execute(IProgressMonitor monitor) throws CoreException; |
| |
| /** |
| * Returns whether the task can be undone. |
| * |
| * @return <code>true</code> if the task can be undone, and |
| * <code>false</code> otherwise |
| */ |
| public boolean canUndo(); |
| |
| /** |
| * Undo the task. |
| */ |
| public void undo(); |
| } |