| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.ambari.view; |
| |
| import org.apache.ambari.view.events.Listener; |
| |
| import java.util.Map; |
| |
| /** |
| * View controller. |
| */ |
| public interface ViewController { |
| /** |
| * Notify all listeners registered to listen to this view |
| * of the given view event. |
| * |
| * @param eventId the event id |
| * @param eventProperties the event properties |
| */ |
| public void fireEvent(String eventId, Map<String, String> eventProperties); |
| |
| /** |
| * Register a listener to listen for events from the view identified by the |
| * given name. |
| * |
| * @param listener the listener |
| * @param viewName the view to listen to |
| */ |
| public void registerListener(Listener listener, String viewName); |
| |
| /** |
| * Register a listener to listen for events from the view identified by the |
| * given name and version. |
| * |
| * @param listener the listener |
| * @param viewName the view to listen to |
| * @param viewVersion the view version |
| */ |
| public void registerListener(Listener listener, String viewName, String viewVersion); |
| |
| /** |
| * Un-register the listener that is registered for the view identified by the |
| * given name. |
| * |
| * @param listener the listener |
| * @param viewName the view to listen to |
| */ |
| public void unregisterListener(Listener listener, String viewName); |
| |
| /** |
| * Un-register the listener that is registered for the view identified by the |
| * given name and version. |
| * |
| * @param listener the listener |
| * @param viewName the view to listen to |
| * @param viewVersion the view version |
| */ |
| public void unregisterListener(Listener listener, String viewName, String viewVersion); |
| } |