|
1
5 package org.exoplatform.container.monitor;
6
7 import java.util.ArrayList  ;
8 import java.util.List ;
9 import org.exoplatform.container.SessionContainer;
10
17 public class PortalMonitor {
18
19 static int NUMBER_OF_REQUEST_MONITOR = 10 ;
20 static long TIME_RANGE = 200 ;
22 private List requestMonitors_ ;
23 private PortalMonitorListenerStack listeners_ ;
24
25 public PortalMonitor() {
26 requestMonitors_ = new ArrayList () ;
27 long min = 0 ;
28 long max = TIME_RANGE - 1;
29 for (int i = 0; i < NUMBER_OF_REQUEST_MONITOR ; i++) {
30 requestMonitors_.add(new RequestMonitorData(min, max)) ;
31 min += TIME_RANGE ;
32 max += TIME_RANGE ;
33 }
34 listeners_ = new PortalMonitorListenerStack(3) ;
35 }
36
37 public void addListener(PortalMonitorListener listener) {
38 listeners_.add(listener) ;
39 }
40
41 final public void log(ActionData data) {
42 long executionTime = data.getHandleTime();
43 int index = (int) (executionTime / TIME_RANGE) ;
44 if (index >= NUMBER_OF_REQUEST_MONITOR) index = NUMBER_OF_REQUEST_MONITOR - 1 ;
45 RequestMonitorData monitor = (RequestMonitorData) requestMonitors_.get(index) ;
46 monitor.logRequest(executionTime) ;
47 }
48
49 public void error(String errorMessage, Throwable t) {
50 listeners_.onError(this, errorMessage, t) ;
51 SessionContainer scontainer = SessionContainer.getInstance() ;
52 if(scontainer != null) {
53 scontainer.getMonitor().error(errorMessage, t) ;
54 }
55 }
56
57 final public List getRequestMonitorData() { return requestMonitors_ ; }
58
59 final public int getRequestCounter() {
60 int counter = 0 ;
61 for (int i = 0; i < NUMBER_OF_REQUEST_MONITOR ; i++) {
62 RequestMonitorData monitor = (RequestMonitorData) requestMonitors_.get(i) ;
63 counter += monitor.getRequestCounter() ;
64 }
65 return counter ;
66 }
67
68 final public long minExecutionTime() {
69 long minExecutionTime = 0 ;
70 for (int i = 0; i < NUMBER_OF_REQUEST_MONITOR ; i++) {
71 RequestMonitorData monitor = (RequestMonitorData) requestMonitors_.get(i) ;
72 if (i == 0) {
73 minExecutionTime = monitor.minExecutionTime() ;
74 } else {
75 if (monitor.minExecutionTime() < minExecutionTime)
76 minExecutionTime = monitor.minExecutionTime() ;
77 }
78 }
79 return minExecutionTime ;
80 }
81
82 final public long maxExecutionTime() {
83 long maxExecutionTime = 0 ;
84 for (int i = 0; i < NUMBER_OF_REQUEST_MONITOR ; i++) {
85 RequestMonitorData monitor = (RequestMonitorData) requestMonitors_.get(i) ;
86 if (i == 0) {
87 maxExecutionTime = monitor.maxExecutionTime() ;
88 } else {
89 if (monitor.maxExecutionTime() > maxExecutionTime)
90 maxExecutionTime = monitor.maxExecutionTime() ;
91 }
92 }
93 return maxExecutionTime ;
94 }
95
96 final public long averageExecutionTime() {
97 long sumExecutionTime = 0 ;
98 int requestCounter = 0 ;
99 for (int i = 0; i < NUMBER_OF_REQUEST_MONITOR ; i++) {
100 RequestMonitorData monitor = (RequestMonitorData) requestMonitors_.get(i) ;
101 sumExecutionTime += monitor.sumExecutionTime() ;
102 requestCounter += monitor.getRequestCounter() ;
103 }
104 if (requestCounter == 0) return 0 ;
105 return sumExecutionTime/requestCounter ;
106 }
107 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.