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1
4 package com.tc.stats;
5
6 import com.tc.objectserver.api.GCStats;
7 import com.tc.objectserver.api.ObjectManagerMBean;
8 import com.tc.objectserver.api.ObjectManagerStats;
9 import com.tc.objectserver.core.api.DSOGlobalServerStats;
10 import com.tc.objectserver.core.impl.ServerManagementContext;
11 import com.tc.stats.counter.sampled.SampledCounter;
12 import com.tc.stats.statistics.CountStatistic;
13 import com.tc.stats.statistics.DoubleStatistic;
14 import com.tc.stats.statistics.DoubleStatisticImpl;
15 import com.tc.stats.statistics.Statistic;
16
17 import java.lang.reflect.Method  ;
18
19
25
26 public class DSOStatsImpl extends StatsSupport implements DSOStats {
27
28 private final DSOGlobalServerStats serverStats;
29 private final SampledCounter faultRate;
30 private final SampledCounter flushRate;
31 private final ObjectManagerStats objMgrStats;
32 private final SampledCounter txnRate;
33 private final ObjectManagerMBean objManager;
34
35 public DSOStatsImpl(ServerManagementContext context) {
36 this.objManager = context.getObjectManager();
37 this.serverStats = context.getServerStats();
38 this.objMgrStats = serverStats.getObjectManagerStats();
39 this.faultRate = serverStats.getObjectFaultCounter();
40 this.flushRate = serverStats.getObjectFlushCounter();
41 this.txnRate = serverStats.getTransactionCounter();
42 }
43
44 public CountStatistic getObjectFaultRate() {
45 return StatsUtil.makeCountStat(faultRate);
46 }
47
48 public CountStatistic getObjectFlushRate() {
49 return StatsUtil.makeCountStat(flushRate);
50 }
51
52 public CountStatistic getTransactionRate() {
53 return StatsUtil.makeCountStat(txnRate);
54 }
55
56 public DoubleStatistic getCacheHitRatio() {
57 double value = objMgrStats.getCacheHitRatio();
58 DoubleStatisticImpl rv = new DoubleStatisticImpl(System.currentTimeMillis());
59 rv.setDoubleValue(value);
60 return rv;
61 }
62
63 public CountStatistic getCacheMissRate() {
64 return StatsUtil.makeCountStat( objMgrStats.getCacheMissRate());
65 }
66
67
68 public Statistic[] getStatistics(String [] names) {
69 int count = names.length;
70 Statistic[] result = new Statistic[count];
71 Method method;
72
73 for (int i = 0; i < count; i++) {
74 try {
75 method = getClass().getMethod("get" + names[i], new Class [] {});
76 result[i] = (Statistic) method.invoke(this, new Object [] {});
77 } catch (Exception e) {
78 e.printStackTrace();
79 }
80 }
81
82 return result;
83 }
84
85 public GCStats[] getGarbageCollectorStats() {
86 return this.objManager.getGarbageCollectorStats();
87 }
88
89 }
90 |
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