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16 package net.sf.dozer.util.mapping.stats;
17
18 import java.util.HashMap  ;
19 import java.util.HashSet ;
20 import java.util.Iterator ;
21 import java.util.Map ;
22 import java.util.Set ;
23
24 import net.sf.dozer.util.mapping.config.GlobalSettings;
25 import net.sf.dozer.util.mapping.exception.NotFoundException;
26
27 import org.apache.commons.logging.Log;
28 import org.apache.commons.logging.LogFactory;
29
30
33 public final class StatisticsManager implements StatisticsManagerIF {
34 private static final Log log = LogFactory.getLog(StatisticsManager.class);
35
36 private final Map statisticsMap = new HashMap ();
37 private boolean isStatisticsEnabled = GlobalSettings.getInstance().getSettings().isStatisticsEnabled();
38
39 public StatisticsManager() {
40 }
41
42 public void clearAll() {
43 statisticsMap.clear();
44 }
45
46 public Set getStatisticEntries(String statisticType) {
47 return getStatistic(statisticType).getEntries();
48 }
49
50 public Set getStatistics() {
51 return new HashSet (statisticsMap.values());
52 }
53
54 public boolean isStatisticsEnabled() {
55 return isStatisticsEnabled;
56 }
57
58 public void setStatisticsEnabled(boolean statisticsEnabled) {
59 this.isStatisticsEnabled = statisticsEnabled;
60 GlobalSettings.getInstance().getSettings().setStatisticsEnabled(statisticsEnabled);
61 }
62
63 public Statistic getStatistic(String statisticType) {
64 Statistic result = (Statistic) statisticsMap.get(statisticType);
65 if (result == null) {
66 throw new NotFoundException("Unable to find statistic for type: " + statisticType);
67 }
68 return result;
69 }
70
71 public Set getStatisticTypes() {
72 Set results = new HashSet ();
73 Iterator iter = statisticsMap.entrySet().iterator();
74 while (iter.hasNext()) {
75 Map.Entry entry = (Map.Entry )iter.next();
76 results.add((String )entry.getKey());
77 }
78 return results;
79 }
80
81
86 public void increment(String statisticType) {
87 increment(statisticType, 1);
88 }
89
90 public void increment(String statisticType, long value) {
91 increment(statisticType, statisticType, value);
92 }
93
94 public void increment(String statisticType, Object statisticEntryKey) {
95 increment(statisticType, statisticEntryKey, 1);
96 }
97
98 public void increment(String statisticType, Object statisticEntryKey, long value) {
99 if (!isStatisticsEnabled()) {
101 return;
102 }
103
104 if (statisticType == null) {
105 throw new IllegalArgumentException ("statistic type must be specified");
106 }
107
108 if (statisticEntryKey == null) {
109 throw new IllegalArgumentException ("statistic entry key must be specified");
110 }
111
112 Statistic statistic = (Statistic) statisticsMap.get(statisticType);
114 if (statistic == null) {
115 statistic = new Statistic(statisticType);
116 addStatistic(statistic);
117 }
118
119 StatisticEntry statisticEntry = null;
122 statisticEntry = statistic.getEntry(statisticEntryKey);
123 if(statisticEntry == null) {
124 statisticEntry = new StatisticEntry(statisticEntryKey);
125 statistic.addEntry(statisticEntry);
126 }
127
128 statisticEntry.increment(value);
130 }
131
132
137 public long getStatisticValue(String statisticType) {
138 Set entries = getStatistic(statisticType).getEntries();
139 if (entries.size() > 1) {
140 throw new IllegalArgumentException ("More than one value entry found for stat type: " + statisticType);
141 }
142 return ((StatisticEntry)entries.iterator().next()).getValue();
143 }
144
145 public void addStatistic(Statistic statistic) {
146 if (statisticExists(statistic.getType())) {
147 throw new IllegalArgumentException ("Statistic already exists for type: " + statistic.getType());
148 }
149 statisticsMap.put(statistic.getType(), statistic);
150 }
151
152 public boolean statisticExists(String statisticType) {
153 return statisticsMap.containsKey(statisticType);
154 }
155
156 public void logStatistics() {
157 log.info(getStatistics());
158 }
159 }
160 |
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