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	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	}