traininfoservice/db/TestServlet.java

package dk.thoerup.traininfoservice.db;

import java.io.IOException;
import java.sql.SQLException;
import java.util.Random;
import java.util.logging.Logger;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet(urlPatterns={"/TestServlet"})
public class TestServlet extends HttpServlet {
        private static final long serialVersionUID = 1L;
        Logger log = Logger.getLogger(TestServlet.class.getName());
        
        Random r = new Random();

        //South-West corner= 54.5, 8.0
        //North-East corner= 57.8, 12.7
        //Latitude span=3.3
        //Longitude span=4.7
        void testFindNearest(int count) throws SQLException {           

                StationDAO db = new StationDAO();


                for (int i=0; i<count; i++) {
                        float lat = (r.nextFloat()*3.3F) + 54.5F;
                        float lng = (r.nextFloat()*4.7F) + 8.0F;
                        db.getByLocation(lat, lng);
                }
        }

        void testFindName(int count)  throws SQLException {
                
                StationDAO db = new StationDAO();
                
                for (int i=0; i<count; i++) {
                        char c1 = getRandomCharacter();
                        char c2 = getRandomCharacter();

                        String search = "" + c1 + c2;
                        log.info(search);
                        
                        db.getByName(search);
                }
        }

        private char getRandomCharacter() {
                char c1 = ((char)r.nextInt(26));
                c1 += 'a';
                return c1;
        }
        
        void testFindFavorites(int count)  throws SQLException {
                
                StationDAO db = new StationDAO();
                
                for (int i=0; i<count; i++) {
                        final int MAX = 8;
                        
                        StringBuilder sb = new StringBuilder();
                        sb.append('(');
                        for (int j=0; j<MAX;j++) {
                                if (j>0)
                                        sb.append(',');
                                sb.append(r.nextInt(400));
                        }
                        sb.append(')');


                        db.getByList(sb.toString());
                }
        }

        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                
                
                String test = request.getParameter("test");
                String strCount = request.getParameter("count");
                int count = Integer.parseInt(strCount);
                
        
                try {                   
                        long start = System.currentTimeMillis();
                        
                        if ( test.equals("name") ) {
                                testFindName(count);
                        } else if ( test.equals("nearest") ) {
                                testFindNearest(count);
                        } else if ( test.equals("favorites") ) {
                                testFindFavorites(count);
                        } else {
                                throw new ServletException("No parameter test");
                        }
                        
                        long stop = System.currentTimeMillis();

                        long elapsed = stop-start;

                        float avg = ((float)elapsed) / count;

                        String out = "Count=" + count + "\n" +                                   
                        "Elapsed=" + elapsed + "\n" +
                        "Avg.=" +  avg;

                        response.getWriter().print( out );


                } catch (Exception e) {
                        throw new ServletException(e);
                }
        }

}
1	torben	1255	package dk.thoerup.traininfoservice.db;
2	torben	735
3			import java.io.IOException;
4			import java.sql.SQLException;
5			import java.util.Random;
6	torben	1342	import java.util.logging.Logger;
7	torben	735
8			import javax.servlet.ServletException;
9	torben	958	import javax.servlet.annotation.WebServlet;
10	torben	735	import javax.servlet.http.HttpServlet;
11			import javax.servlet.http.HttpServletRequest;
12			import javax.servlet.http.HttpServletResponse;
13
14	torben	1255
15	torben	958	@WebServlet(urlPatterns={"/TestServlet"})
16	torben	735	public class TestServlet extends HttpServlet {
17			private static final long serialVersionUID = 1L;
18	torben	1342	Logger log = Logger.getLogger(TestServlet.class.getName());
19	torben	851
20			Random r = new Random();
21	torben	735
22	torben	852	//South-West corner= 54.5, 8.0
23	torben	853	//North-East corner= 57.8, 12.7
24			//Latitude span=3.3
25			//Longitude span=4.7
26	torben	851	void testFindNearest(int count) throws SQLException {
27	torben	735
28			StationDAO db = new StationDAO();
29
30
31	torben	736	for (int i=0; i<count; i++) {
32	torben	853	float lat = (r.nextFloat()*3.3F) + 54.5F;
33			float lng = (r.nextFloat()*4.7F) + 8.0F;
34	torben	735	db.getByLocation(lat, lng);
35			}
36			}
37
38	torben	736	void testFindName(int count) throws SQLException {
39	torben	735
40			StationDAO db = new StationDAO();
41
42	torben	736	for (int i=0; i<count; i++) {
43	torben	1256	char c1 = getRandomCharacter();
44			char c2 = getRandomCharacter();
45	torben	735
46			String search = "" + c1 + c2;
47	torben	1342	log.info(search);
48	torben	735
49			db.getByName(search);
50			}
51	torben	740	}
52	torben	1256
53			private char getRandomCharacter() {
54			char c1 = ((char)r.nextInt(26));
55			c1 += 'a';
56			return c1;
57			}
58	torben	740
59			void testFindFavorites(int count) throws SQLException {
60
61			StationDAO db = new StationDAO();
62
63			for (int i=0; i<count; i++) {
64			final int MAX = 8;
65
66			StringBuilder sb = new StringBuilder();
67			sb.append('(');
68			for (int j=0; j<MAX;j++) {
69			if (j>0)
70			sb.append(',');
71			sb.append(r.nextInt(400));
72			}
73			sb.append(')');
74	torben	735
75
76	torben	740	db.getByList(sb.toString());
77			}
78	torben	735	}
79
80			protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
81	torben	736
82
83			String test = request.getParameter("test");
84			String strCount = request.getParameter("count");
85			int count = Integer.parseInt(strCount);
86
87
88	torben	735	try {
89			long start = System.currentTimeMillis();
90	torben	736
91			if ( test.equals("name") ) {
92			testFindName(count);
93			} else if ( test.equals("nearest") ) {
94			testFindNearest(count);
95	torben	740	} else if ( test.equals("favorites") ) {
96			testFindFavorites(count);
97	torben	736	} else {
98			throw new ServletException("No parameter test");
99			}
100
101	torben	735	long stop = System.currentTimeMillis();
102
103			long elapsed = stop-start;
104
105	torben	736	float avg = ((float)elapsed) / count;
106	torben	735
107	torben	736	String out = "Count=" + count + "\n" +
108	torben	735	"Elapsed=" + elapsed + "\n" +
109			"Avg.=" + avg;
110
111			response.getWriter().print( out );
112
113
114			} catch (Exception e) {
115			throw new ServletException(e);
116			}
117			}
118
119			}