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1
4 package com.tc.objectserver.impl;
5
6 import com.tc.objectserver.api.ObjectManagerStats;
7 import com.tc.objectserver.api.ObjectManagerStatsListener;
8 import com.tc.stats.counter.sampled.SampledCounter;
9 import com.tc.stats.counter.sampled.TimeStampedCounterValue;
10
11
14 public class ObjectManagerStatsImpl implements ObjectManagerStatsListener, ObjectManagerStats {
15
16 private long cacheHits = 0L;
17 private long cacheMisses = 0L;
18 private long objectsCreated = 0L;
19 private final SampledCounter newObjectCounter;
20 private final SampledCounter faultRateCounter;
21
22 public ObjectManagerStatsImpl(SampledCounter newObjectCounter, SampledCounter faultRateCounter) {
23 this.newObjectCounter = newObjectCounter;
24 this.faultRateCounter = faultRateCounter;
25 }
26
27 public synchronized void cacheHit() {
28 this.cacheHits++;
29 }
30
31 public synchronized void cacheMiss() {
32 this.cacheMisses++;
33 this.faultRateCounter.increment();
34 }
35
36 public synchronized void newObjectCreated() {
37 this.objectsCreated++;
38 this.newObjectCounter.increment();
39 }
40
41 public synchronized double getCacheHitRatio() {
42 return ((double) cacheHits) / ((double) getTotalRequests());
43 }
44
45 public synchronized long getTotalRequests() {
46 return this.cacheHits + this.cacheMisses;
47 }
48
49 public synchronized long getTotalCacheMisses() {
50 return this.cacheMisses;
51 }
52
53 public synchronized long getTotalCacheHits() {
54 return this.cacheHits;
55 }
56
57 public long getTotalObjectsCreated() {
58 return this.objectsCreated;
59 }
60
61 public TimeStampedCounterValue getCacheMissRate() {
62 return this.faultRateCounter.getMostRecentSample();
63 }
64
65 }
66 |
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