| /* |
| * 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.felix.ipojo.handlers.event.publisher; |
| |
| import java.util.Dictionary; |
| |
| /** |
| * An Publisher is the interface between the EventAdminPublisherHandler and a |
| * component instance. The POJO can send event through the handler by calling a |
| * {@code send} method. |
| * |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public interface Publisher { |
| |
| /** |
| * Sends an event with the specified content. |
| * |
| * @param content the content of the event |
| */ |
| void send(Dictionary content); |
| |
| /** |
| * Sends a data event. |
| * |
| * @param o the data to send |
| */ |
| void sendData(Object o); |
| |
| /** |
| * Gets the published topics. |
| * @return the list of topics. |
| */ |
| String[] getTopics(); |
| |
| /** |
| * Checks is the publisher send data synchronously. |
| * @return <code>true</code> if the publisher is synchronous. |
| */ |
| boolean isSynchronous(); |
| |
| /** |
| * Gets the data key if used. |
| * @return the data key or <code>null</code> |
| */ |
| String getDataKey(); |
| |
| /** |
| * Gets the publisher name if any. |
| * @return the publisher name |
| */ |
| String getName(); |
| |
| } |