| /* |
| * $Id$ |
| * $Revision$ |
| * $Date$ |
| * |
| * ============================================================================== |
| * 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 wicket.spring.common.web; |
| |
| import wicket.Component; |
| import wicket.model.AbstractDetachableModel; |
| import wicket.model.IModel; |
| import wicket.spring.common.Contact; |
| import wicket.spring.common.ContactDao; |
| |
| /** |
| * Base class for contact detachable models. This class implements all necessary |
| * logic except retrieval of the dao object, this way we can isolate that logic |
| * in our example implementations. |
| * |
| * @author Igor Vaynberg (ivaynberg) |
| * |
| */ |
| public abstract class ContactDetachableModel extends AbstractDetachableModel { |
| |
| private long id; |
| |
| private transient Contact contact; |
| |
| public ContactDetachableModel(Contact contact) { |
| this.id = contact.getId(); |
| this.contact = contact; |
| } |
| |
| public IModel getNestedModel() { |
| return null; |
| } |
| |
| protected final void onAttach() { |
| contact = getContactDao().get(id); |
| } |
| |
| protected void onDetach() { |
| contact = null; |
| } |
| |
| protected Object onGetObject(Component component) { |
| return contact; |
| } |
| |
| protected void onSetObject(Component component, Object object) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| protected abstract ContactDao getContactDao(); |
| |
| } |