| /******************************************************************************* |
| * Copyright (c) 2003, 2007 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.common.componentcore.internal.impl; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| /** |
| * A task model represents a model that can be shared between multiple |
| * tasks in a common workflow. |
| * <p> |
| * The task model contains information about the overall task flow and allows |
| * tasks to store and retrieve data. Its usage allows multiple tasks to be |
| * chained together and share data from the output of one task to the input |
| * of another. |
| * </p> |
| * |
| * @since 1.0 |
| */ |
| public class TaskModel { |
| |
| private Map<String, Object> map = new HashMap<String, Object>(); |
| |
| /** |
| * Returns the object in the task model with the given id. |
| * <p> |
| * The id can be any of the predefined ids within TaskModel, or |
| * any other key to retrieve task-specific data. |
| * </p> |
| * |
| * @param id an id for the object |
| * @return the object with the given id, or <code>null</code> |
| * if no object could be found with that id |
| */ |
| public Object getObject(String id) { |
| try { |
| return map.get(id); |
| } catch (Exception e) { |
| return null; |
| } |
| } |
| |
| /** |
| * Put an object into the task model with the given id. |
| * <p> |
| * The id can be any of the predefined ids within TaskModel, or |
| * any other key to store task-specific data. |
| * </p> |
| * |
| * @param id the id to associate the object with |
| * @param obj an object, or <code>null</code> to reset (clear) the id |
| */ |
| public void putObject(String id, Object obj) { |
| map.put(id, obj); |
| } |
| } |
