traininfoservice/db/TestServlet.java

package dk.thoerup.traininfoservice.db;

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

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