| /* |
| * 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.ace.agent; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.osgi.annotation.versioning.ProviderType; |
| |
| /** |
| * Represents a channel on which feedback information can be reported back to the server. An agent can configure |
| * multiple feedback channels for reporting different pieces of information. By default, one feedback channel is |
| * present, which is used for reporting the audit events. |
| */ |
| @ProviderType |
| public interface FeedbackChannel { |
| |
| /** |
| * Synchronizes the current feedback with the server(s), ensuring that those servers have the same (snapshot of) |
| * feedback data as the agent currently has. |
| */ |
| void sendFeedback() throws RetryAfterException, IOException; |
| |
| /** |
| * Logs a new message to this feedback channel. |
| * |
| * @param type |
| * the type of the log-event to write; |
| * @param properties |
| * the actual contents of the message to write, cannot be <code>null</code>. |
| */ |
| void write(int type, Map<String, String> properties) throws IOException; |
| } |