thoerup/traininfoservice/TestServlet.java

package dk.thoerup.traininfoservice;

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

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


public class TestServlet extends HttpServlet {
        private static final long serialVersionUID = 1L;
        
        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 = ((char)r.nextInt(26));
                        c1 += 'a';
                        char c2 = ((char)r.nextInt(26)) ;
                        c2 += 'a';

                        String search = "" + c1 + c2;
                        System.out.println(search);
                        
                        db.getByName(search);
                }
        }
        
        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();

                        for (int j=0; j<MAX;j++) {
                                if (j>0)
                                        sb.append(',');
                                sb.append(r.nextInt(400));
                        }

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