| /******************************************************************************* |
| * Copyright (c) 2010 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.e4.core.di.annotations; |
| |
| import java.lang.annotation.Documented; |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Use this annotation to tag methods that determine if this object's {@link Execute} method |
| * can be called. The tagged method must return Boolean value. |
| * <p> |
| * This annotation must not be applied to more than one method per class. If several class |
| * methods are tagged with this annotation, only one of them will be called. |
| * </p> |
| * @since 1.3 |
| */ |
| @Documented |
| @Target({ElementType.METHOD}) |
| @Retention(RetentionPolicy.RUNTIME) |
| public @interface CanExecute { |
| // intentionally left empty |
| } |
