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24 package org.objectweb.jalisto.se.test.workbench;
25
26 import java.io.PrintStream  ;
27 import java.util.*;
28
29 public class JalistoTimer {
30 public JalistoTimer(String name) {
31 this.name = name;
32 this.sum = 0;
33 this.count = 0;
34 out = System.out;
35 mask = new BitSet(NEWLINE + 1);
36 mask.set(0, NEWLINE + 1, true);
37 verbose = true;
38 }
39
40 public void start() {
41 start = System.currentTimeMillis();
42 }
43
44 public void stop(String name, boolean show) {
45 long end = System.currentTimeMillis();
46 long result = (end - start);
47 if (show) {
48 out.println(name + " elapsed time : " + result + " ms");
49 }
50 sum += result;
51 count++;
52 }
53
54 public float getAverage() {
55 return sum / count;
56 }
57
58 private String getSummary() {
59 StringBuffer sb = new StringBuffer ();
60 if (mask.get(NAME)) {
61 if (verbose) {
62 sb.append("TIMER:");
63 }
64 sb.append(name).append(";");
65 }
66 if (mask.get(TIME)) {
67 if (verbose) {
68 sb.append("TIME:");
69 }
70 sb.append(System.currentTimeMillis()).append(";");
71 }
72 if (mask.get(SUM)) {
73 if (verbose) {
74 sb.append("SUM:");
75 }
76 sb.append(sum).append(";");
77 }
78 if (mask.get(COUNT)) {
79 if (verbose) {
80 sb.append("COUNT:");
81 }
82 sb.append(count).append(";");
83 }
84 if (mask.get(AVG) && (count != 0)) {
85 if (verbose) {
86 sb.append("AVG:");
87 }
88 sb.append(sum / count).append(";");
89 }
90 if (mask.get(NEWLINE)) {
91 sb.append("\n");
92 }
93 return sb.toString();
94 }
95
96 private void clean() {
97 this.sum = 0;
98 this.count = 0;
99 }
100
101
102
105
106 public static void createTimer(String name) {
107 JalistoTimer timer = (JalistoTimer) timers.get(name);
108 if (timer != null) {
109 throw new UnsupportedOperationException ("Create over an existing timer");
110 }
111 timer = new JalistoTimer(name);
112 timers.put(name, timer);
113 timerNames.add(name);
114 }
115
116 public static void removeTimer(String name) {
117 timers.remove(name);
118 timerNames.remove(name);
119 }
120
121 public static void timerStart(String name) {
122 JalistoTimer timer = (JalistoTimer) timers.get(name);
123 if (timer == null) {
124 timer = new JalistoTimer(name);
125 timers.put(name, timer);
126 timerNames.add(name);
127 }
128 timer.start();
129 }
130
131 public static void timerStop(String name) {
132 timerStop(name, true);
133 }
134
135 public static void timerStop(String name, boolean show) {
136 JalistoTimer timer = (JalistoTimer) timers.get(name);
137 if (timer == null) {
138 throw new UnsupportedOperationException ("Unable to stop an unexisting timer");
139 }
140 timer.stop(name, show);
141 }
142
143 public static void setOut(String name, PrintStream out) {
144 JalistoTimer timer = (JalistoTimer) timers.get(name);
145 if (timer == null) {
146 throw new UnsupportedOperationException ("Unable to set Out of an unexisting timer");
147 }
148 timer.out = out;
149 }
150
151 public static void setFormat(String name, int format) {
152 JalistoTimer timer = (JalistoTimer) timers.get(name);
153 if (timer == null) {
154 throw new UnsupportedOperationException ("Unable to set format of an unexisting timer");
155 }
156 if (timer.initialValues) {
157 timer.mask.clear();
158 timer.verbose = false;
159 timer.initialValues = false;
160 }
161 timer.mask.set(format);
162 }
163
164 public static void unsetFormat(String name, int format) {
165 JalistoTimer timer = (JalistoTimer) timers.get(name);
166 if (timer == null) {
167 throw new UnsupportedOperationException ("Unable to unset format of an unexisting timer");
168 }
169 timer.mask.clear(format);
170 }
171
172 public static void setVerbose(String name, boolean verbose) {
173 JalistoTimer timer = (JalistoTimer) timers.get(name);
174 if (timer == null) {
175 throw new UnsupportedOperationException ("Unable to set verbose value of an unexisting timer");
176 }
177 if (timer.initialValues) {
178 timer.mask.clear();
179 timer.initialValues = false;
180 }
181 timer.verbose = verbose;
182 }
183
184 public static void summary() {
185 for (int i = 0; i < timerNames.size(); i++) {
186 JalistoTimer timer = (JalistoTimer) timers.get(timerNames.get(i));
187 timer.out.print(timer.getSummary());
188 }
189 }
190
191 public static void summary(String name) {
192 JalistoTimer timer = (JalistoTimer) timers.get(name);
193 if (timer == null) {
194 throw new UnsupportedOperationException ("Unable to print summary for an unexisting timer");
195 }
196 timer.out.print(timer.getSummary());
197 }
198
199 public static void clean(String name) {
200 JalistoTimer timer = (JalistoTimer) timers.get(name);
201 if (timer == null) {
202 throw new UnsupportedOperationException ("Unable to cleanAll an unexisting timer");
203 }
204 timer.clean();
205 }
206
207 public static void deleteAllTimers() {
208 timers.clear();
209 timerNames.clear();
210 }
211
212 public static float getAverage(String name) {
213 JalistoTimer timer = (JalistoTimer) timers.get(name);
214 if (timer == null) {
215 throw new UnsupportedOperationException ("Unable to get average on an unexisting timer");
216 }
217 return timer.getAverage();
218 }
219
220
221 private String name;
222 private long start;
223 private long sum;
224 private long count;
225 private PrintStream out;
226 private BitSet mask;
227 private boolean verbose;
228 private boolean initialValues = true;
229
230
231 private static Map timers = new HashMap();
232 private static ArrayList timerNames = new ArrayList();
233
234 public static final int TIME = 0;
235 public static final int NAME = 1;
236 public static final int SUM = 2;
237 public static final int COUNT = 3;
238 public static final int AVG = 4;
239 public static final int NEWLINE = 5;
240 }
241 |
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