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.serviceregistry.api;
23
24 import java.util.HashMap;
25 import java.util.Map;
26
27 /**
28 * Provides statistics about host registrations
29 */
30 public class HostStatistics {
31 private final Map<Long, Long> queued = new HashMap<>();
32 private final Map<Long, Long> running = new HashMap<>();
33
34 /**
35 * Add statistics for a registered host
36 *
37 * @param hostId Identifier of host
38 * @param queued Number of queued jobs for this host
39 */
40 public void addQueued(final long hostId, final long queued) {
41 this.queued.put(hostId, queued);
42 }
43
44 /**
45 * Add statistics for a registered host
46 *
47 * @param hostId Identifier of host
48 * @param running Number of running jobs on this host
49 */
50 public void addRunning(final long hostId, final long running) {
51 this.running.put(hostId, running);
52 }
53
54 /**
55 * Get number of queued jobs on a specific host.
56 *
57 * @param hostId Identifier of host
58 * @return Number of queued jobs
59 */
60 public long queuedJobs(final long hostId) {
61 return queued.getOrDefault(hostId, 0L);
62 }
63
64 /**
65 * Get number of running jobs on a specific host.
66 *
67 * @param hostId Identifier of host
68 * @return Number of running jobs
69 */
70 public long runningJobs(final long hostId) {
71 return running.getOrDefault(hostId, 0L);
72 }
73 }