1 /*
2 * Licensed to The Apereo Foundation under one or more contributor license
3 * agreements. See the NOTICE file distributed with this work for additional
4 * information regarding copyright ownership.
5 *
6 *
7 * The Apereo Foundation licenses this file to you under the Educational
8 * Community License, Version 2.0 (the "License"); you may not use this file
9 * except in compliance with the License. You may obtain a copy of the License
10 * at:
11 *
12 * http://opensource.org/licenses/ecl2.txt
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
17 * License for the specific language governing permissions and limitations under
18 * the License.
19 *
20 */
21
22 package org.opencastproject.statistics.api;
23
24 /**
25 * Register or unregister statistics providers.
26 */
27 public interface StatisticsCoordinator {
28 /**
29 * Add the given provider to the list of active providers.
30 *
31 * @param provider
32 * The provider to add.
33 */
34 void addProvider(StatisticsProvider provider);
35
36 /**
37 * Remove the given provider from the list of active providers.
38 *
39 * @param provider The provider to remove.
40 */
41 void removeProvider(StatisticsProvider provider);
42
43 /**
44 * Add a new writer instance
45 * @param writer the writer instance
46 */
47 void addWriter(StatisticsWriter writer);
48
49 /**
50 * Remove a writer
51 * @param id the writer's ID
52 */
53 void removeWriter(String id);
54
55 }