| // Copyright 2004 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry; |
| |
| /** |
| * A particular type of component usuable with the |
| * action service. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 1.0.1 |
| */ |
| |
| public interface IAction extends IComponent |
| { |
| /** |
| * Returns true if the component requires |
| * an existing, not new, {@link javax.servlet.http.HttpSession} |
| * to operate. Components who are not dependant on page state |
| * (or the visit object) are non-stateful and can return false. |
| * |
| **/ |
| |
| public boolean getRequiresSession(); |
| } |
