/
BrokerUsage.java
66 lines (59 loc) · 2.37 KB
/
BrokerUsage.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
/**
* Copyright 2016 Yahoo Inc.
*
* Licensed 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 com.yahoo.pulsar.common.policies.data.loadbalancer;
import java.util.Map;
/**
* {@link BrokerUsage} object encapsulates the resources that are only used by broker, for now, it's connections both to
* outside JVM and to the local VM
*
*/
public class BrokerUsage {
private long connectionCount;
private long replicationConnectionCount;
public long getConnectionCount() {
return connectionCount;
}
public long getReplicationConnectionCount() {
return replicationConnectionCount;
}
public void setConnectionCount(long connectionCount) {
this.connectionCount = connectionCount;
}
public void setReplicationConnectionCount(long replicationConnectionCount) {
this.replicationConnectionCount = replicationConnectionCount;
}
/*
* factory method that returns an instance of this class populated from metrics we expect the keys that we are
* looking there's no explicit type checked object which guarantees that we have a specific type of metrics
*
* @param metrics metrics object containing the metrics collected per minute from mbeans
*
* @return new instance of the class populated from metrics
*/
public static BrokerUsage populateFrom(Map<String, Object> metrics) {
BrokerUsage brokerUsage = null;
if (metrics.containsKey("brk_conn_cnt")) {
brokerUsage = new BrokerUsage();
brokerUsage.connectionCount = ((Long) metrics.get("brk_conn_cnt")).longValue();
}
if (metrics.containsKey("brk_repl_conn_cnt")) {
if (brokerUsage == null)
brokerUsage = new BrokerUsage();
brokerUsage.replicationConnectionCount = ((Long) metrics.get("brk_repl_conn_cnt")).longValue();
}
return brokerUsage;
}
}