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public class TestServlet extends HttpServlet { |
public class TestServlet extends HttpServlet { |
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private static final long serialVersionUID = 1L; |
private static final long serialVersionUID = 1L; |
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final int COUNT = 10; |
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//South-West corner= 54.0, 7.0 |
//South-West corner= 54.0, 7.0 |
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//North-East corner= 58.0, 16.0 |
//North-East corner= 58.0, 16.0 |
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//Latitude span=4.0 |
//Latitude span=4.0 |
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//Longitude span=9.0 |
//Longitude span=9.0 |
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void testFindNearest() throws SQLException { |
void testFindNearest(int count) throws SQLException { |
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Random r = new Random(); |
Random r = new Random(); |
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StationDAO db = new StationDAO(); |
StationDAO db = new StationDAO(); |
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for (int i=0; i<COUNT; i++) { |
for (int i=0; i<count; i++) { |
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float lat = (r.nextFloat()*4.0F) + 54.0F; |
float lat = (r.nextFloat()*4.0F) + 54.0F; |
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float lng = (r.nextFloat()*9.0F) + 7.0F; |
float lng = (r.nextFloat()*9.0F) + 7.0F; |
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db.getByLocation(lat, lng); |
db.getByLocation(lat, lng); |
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} |
} |
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void testFindName() throws SQLException { |
void testFindName(int count) throws SQLException { |
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Random r = new Random(); |
Random r = new Random(); |
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StationDAO db = new StationDAO(); |
StationDAO db = new StationDAO(); |
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for (int i=0; i<COUNT; i++) { |
for (int i=0; i<count; i++) { |
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char c1 = ((char)r.nextInt(26)); |
char c1 = ((char)r.nextInt(26)); |
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c1 += 'a'; |
c1 += 'a'; |
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char c2 = ((char)r.nextInt(26)) ; |
char c2 = ((char)r.nextInt(26)) ; |
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} |
} |
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { |
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { |
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String test = request.getParameter("test"); |
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String strCount = request.getParameter("count"); |
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int count = Integer.parseInt(strCount); |
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try { |
try { |
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long start = System.currentTimeMillis(); |
long start = System.currentTimeMillis(); |
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testFindName(); |
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if ( test.equals("name") ) { |
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testFindName(count); |
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} else if ( test.equals("nearest") ) { |
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testFindNearest(count); |
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} else { |
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throw new ServletException("No parameter test"); |
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} |
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long stop = System.currentTimeMillis(); |
long stop = System.currentTimeMillis(); |
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long elapsed = stop-start; |
long elapsed = stop-start; |
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float avg = ((float)elapsed) / COUNT; |
float avg = ((float)elapsed) / count; |
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String out = "Count=" + COUNT + "\n" + |
String out = "Count=" + count + "\n" + |
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"Elapsed=" + elapsed + "\n" + |
"Elapsed=" + elapsed + "\n" + |
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"Avg.=" + avg; |
"Avg.=" + avg; |
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