thoerup/traininfoservice/Statistics.java

package dk.thoerup.traininfoservice;

import java.util.Date;
import java.util.concurrent.atomic.AtomicInteger;

import org.apache.commons.lang.time.DurationFormatUtils;

public class Statistics {
        
        private AtomicInteger stationLookupsLocation = new AtomicInteger(0);
        private AtomicInteger stationLookupsName = new AtomicInteger(0);
        private AtomicInteger stationLookupsFavorites = new AtomicInteger(0);
        private AtomicInteger departureLookups = new AtomicInteger(0);
        private AtomicInteger timetableLookups = new AtomicInteger(0);
        private AtomicInteger departureCacheHits = new AtomicInteger(0);
        private AtomicInteger timetableCacheHits = new AtomicInteger(0);
        
        private Date lastReset = new Date();
        
        public void incrementStationLookupsLocation() {
                stationLookupsLocation.incrementAndGet();
        }
        
        public void incrementStationLookupsName() {
                stationLookupsName.incrementAndGet();
        }
        
        public void incrementStationLookupsFavorites() {
                stationLookupsFavorites.incrementAndGet();
        }
        
        public void incrementDepartureLookups() {
                departureLookups.incrementAndGet();
        }
        
        public void incrementTimetableLookups() {
                timetableLookups.incrementAndGet();
        }
        
        public void incrementDepartureCacheHits() {
                departureCacheHits.incrementAndGet();
        }
        
        public void incrementTimetableCacheHits() {
                timetableCacheHits.incrementAndGet();
        }
        
        /////////
        
        public int getStationTotals() {
                return stationLookupsLocation.get() + stationLookupsName.get() + stationLookupsFavorites.get();
        }
        
        public int getStationLookupsLocation() {
                return stationLookupsLocation.get();
        }
        
        public int getStationLookupsName() {
                return stationLookupsName.get();
        }
        
        public int getStationLookupsFavorites() {
                return stationLookupsFavorites.get();
        }
        
        public int getDepartureLookups() {
                return departureLookups.get();
        }
        
        public int getTimetableLookups() {
                return timetableLookups.get();
        }
        
        public int getDepartureCacheHits() {
                return departureCacheHits.get();
        }
        
        public int getTimetableCacheHits() {
                return timetableCacheHits.get();
        }
        
        public Date getLastReset() {
                return lastReset;
        }
        
        
        /* helper functions */
        
        public String getElapsedAsString() {
                Date now = new Date();          
                long duration = (now.getTime() - lastReset.getTime() );
                
                return DurationFormatUtils.formatDuration(duration, "d, HH:mm:ss"); 
        }
        
        public double getElapsedDays() {
                Date now = new Date();          
                long elapsedMs = now.getTime() - lastReset.getTime();
                long elapsedHour = elapsedMs / (60*60*1000);
                
                double elapsedDay = ((double)elapsedHour) / 24.0;
                
                if (elapsedDay < 1.0)
                        elapsedDay  = 1.0;
                
                return elapsedDay;
        }
        
        
        /****
         * Singleton stuff
         */
        
        private static Statistics instance = null;
        private Statistics() {
                // Exists only to defeat instantiation.
        }
        public static Statistics getInstance() {
                if(instance == null) {
                        instance = new Statistics();
                }
                return instance;
        }
}
1	torben	711	package dk.thoerup.traininfoservice;
2
3			import java.util.Date;
4			import java.util.concurrent.atomic.AtomicInteger;
5
6			import org.apache.commons.lang.time.DurationFormatUtils;
7
8			public class Statistics {
9
10			private AtomicInteger stationLookupsLocation = new AtomicInteger(0);
11			private AtomicInteger stationLookupsName = new AtomicInteger(0);
12			private AtomicInteger stationLookupsFavorites = new AtomicInteger(0);
13			private AtomicInteger departureLookups = new AtomicInteger(0);
14			private AtomicInteger timetableLookups = new AtomicInteger(0);
15			private AtomicInteger departureCacheHits = new AtomicInteger(0);
16			private AtomicInteger timetableCacheHits = new AtomicInteger(0);
17
18			private Date lastReset = new Date();
19
20			public void incrementStationLookupsLocation() {
21			stationLookupsLocation.incrementAndGet();
22			}
23
24			public void incrementStationLookupsName() {
25			stationLookupsName.incrementAndGet();
26			}
27
28			public void incrementStationLookupsFavorites() {
29			stationLookupsFavorites.incrementAndGet();
30			}
31
32			public void incrementDepartureLookups() {
33			departureLookups.incrementAndGet();
34			}
35
36			public void incrementTimetableLookups() {
37			timetableLookups.incrementAndGet();
38			}
39
40			public void incrementDepartureCacheHits() {
41			departureCacheHits.incrementAndGet();
42			}
43
44			public void incrementTimetableCacheHits() {
45			timetableCacheHits.incrementAndGet();
46			}
47
48			/////////
49
50			public int getStationTotals() {
51			return stationLookupsLocation.get() + stationLookupsName.get() + stationLookupsFavorites.get();
52			}
53
54			public int getStationLookupsLocation() {
55			return stationLookupsLocation.get();
56			}
57
58			public int getStationLookupsName() {
59			return stationLookupsName.get();
60			}
61
62			public int getStationLookupsFavorites() {
63			return stationLookupsFavorites.get();
64			}
65
66			public int getDepartureLookups() {
67			return departureLookups.get();
68			}
69
70			public int getTimetableLookups() {
71			return timetableLookups.get();
72			}
73
74			public int getDepartureCacheHits() {
75			return departureCacheHits.get();
76			}
77
78			public int getTimetableCacheHits() {
79			return timetableCacheHits.get();
80			}
81
82			public Date getLastReset() {
83			return lastReset;
84			}
85
86
87			/* helper functions */
88
89			public String getElapsedAsString() {
90			Date now = new Date();
91			long duration = (now.getTime() - lastReset.getTime() );
92
93			return DurationFormatUtils.formatDuration(duration, "d, HH:mm:ss");
94			}
95
96			public double getElapsedDays() {
97			Date now = new Date();
98			long elapsedMs = now.getTime() - lastReset.getTime();
99			long elapsedHour = elapsedMs / (60601000);
100
101			double elapsedDay = ((double)elapsedHour) / 24.0;
102
103			if (elapsedDay < 1.0)
104			elapsedDay = 1.0;
105
106			return elapsedDay;
107			}
108
109
110			/****
111			* Singleton stuff
112			*/
113
114			private static Statistics instance = null;
115			private Statistics() {
116			// Exists only to defeat instantiation.
117			}
118			public static Statistics getInstance() {
119			if(instance == null) {
120			instance = new Statistics();
121			}
122			return instance;
123			}
124			}