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 AtomicInteger departureErrors = new AtomicInteger(0);
        private AtomicInteger timetableErrors = 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 void incrementDepartureErrors() {
                departureErrors.incrementAndGet();
        }
        
        public void incrementTimetableErrors() {
                timetableErrors.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 int getDepartureErrors() {
                return departureErrors.get();
        }
        
        public int getTimetableErrors() {
                return timetableErrors.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	private AtomicInteger departureErrors = new AtomicInteger(0);
18	private AtomicInteger timetableErrors = new AtomicInteger(0);
19
20	private Date lastReset = new Date();
21
22	public void incrementStationLookupsLocation() {
23	stationLookupsLocation.incrementAndGet();
24	}
25
26	public void incrementStationLookupsName() {
27	stationLookupsName.incrementAndGet();
28	}
29
30	public void incrementStationLookupsFavorites() {
31	stationLookupsFavorites.incrementAndGet();
32	}
33
34	public void incrementDepartureLookups() {
35	departureLookups.incrementAndGet();
36	}
37
38	public void incrementTimetableLookups() {
39	timetableLookups.incrementAndGet();
40	}
41
42	public void incrementDepartureCacheHits() {
43	departureCacheHits.incrementAndGet();
44	}
45
46	public void incrementTimetableCacheHits() {
47	timetableCacheHits.incrementAndGet();
48	}
49
50	public void incrementDepartureErrors() {
51	departureErrors.incrementAndGet();
52	}
53
54	public void incrementTimetableErrors() {
55	timetableErrors.incrementAndGet();
56	}
57
58	/////////
59
60	public int getStationTotals() {
61	return stationLookupsLocation.get() + stationLookupsName.get() + stationLookupsFavorites.get();
62	}
63
64	public int getStationLookupsLocation() {
65	return stationLookupsLocation.get();
66	}
67
68	public int getStationLookupsName() {
69	return stationLookupsName.get();
70	}
71
72	public int getStationLookupsFavorites() {
73	return stationLookupsFavorites.get();
74	}
75
76	public int getDepartureLookups() {
77	return departureLookups.get();
78	}
79
80	public int getTimetableLookups() {
81	return timetableLookups.get();
82	}
83
84	public int getDepartureCacheHits() {
85	return departureCacheHits.get();
86	}
87
88	public int getTimetableCacheHits() {
89	return timetableCacheHits.get();
90	}
91
92	public int getDepartureErrors() {
93	return departureErrors.get();
94	}
95
96	public int getTimetableErrors() {
97	return timetableErrors.get();
98	}
99
100	public Date getLastReset() {
101	return lastReset;
102	}
103
104
105	/* helper functions */
106
107	public String getElapsedAsString() {
108	Date now = new Date();
109	long duration = (now.getTime() - lastReset.getTime() );
110
111	return DurationFormatUtils.formatDuration(duration, "d, HH:mm:ss");
112	}
113
114	public double getElapsedDays() {
115	Date now = new Date();
116	long elapsedMs = now.getTime() - lastReset.getTime();
117	long elapsedHour = elapsedMs / (60601000);
118
119	double elapsedDay = ((double)elapsedHour) / 24.0;
120
121	if (elapsedDay < 1.0)
122	elapsedDay = 1.0;
123
124	return elapsedDay;
125	}
126
127
128	/****
129	* Singleton stuff
130	*/
131
132	private static Statistics instance = null;
133	private Statistics() {
134	// Exists only to defeat instantiation.
135	}
136	public static Statistics getInstance() {
137	if(instance == null) {
138	instance = new Statistics();
139	}
140	return instance;
141	}
142	}