root / branches / v2_0_0_prep / libraries / libFMap_dataFile / src-test / org / gvsig / fmap / data / feature / file / ResourceManagerTest.java @ 23878
History | View | Annotate | Download (14.2 KB)
1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
4 |
* of the Valencian Government (CIT)
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
*/
|
22 |
|
23 |
/*
|
24 |
* AUTHORS (In addition to CIT):
|
25 |
* 2008 IVER T.I. S.A. {{Task}}
|
26 |
*/
|
27 |
|
28 |
package org.gvsig.fmap.data.feature.file; |
29 |
|
30 |
import java.security.KeyException; |
31 |
import java.util.Comparator; |
32 |
import java.util.Iterator; |
33 |
import java.util.SortedSet; |
34 |
import java.util.TreeSet; |
35 |
|
36 |
import junit.framework.TestCase; |
37 |
|
38 |
import org.gvsig.fmap.data.DataSet; |
39 |
import org.gvsig.fmap.data.DataManager; |
40 |
import org.gvsig.fmap.data.DataStore; |
41 |
import org.gvsig.fmap.data.exceptions.CloseException; |
42 |
import org.gvsig.fmap.data.exceptions.DataException; |
43 |
import org.gvsig.fmap.data.feature.file.shp.SHPTest; |
44 |
import org.gvsig.fmap.data.impl.DefaultDataManager; |
45 |
import org.gvsig.fmap.data.resource.Resource; |
46 |
import org.gvsig.fmap.data.resource.ResourceManager; |
47 |
import org.gvsig.fmap.data.resource.ResourceNotification; |
48 |
import org.gvsig.fmap.data.resource.impl.DefaultResourceManager; |
49 |
import org.gvsig.fmap.data.resource.spi.AbstractResource; |
50 |
import org.gvsig.tools.exception.BaseException; |
51 |
import org.gvsig.tools.observer.Observable; |
52 |
import org.gvsig.tools.observer.Observer; |
53 |
|
54 |
public class ResourceManagerTest extends TestCase { |
55 |
|
56 |
private DataManager dataManager = DefaultDataManager.getManager();
|
57 |
|
58 |
public class ResourceCloser implements Observer { |
59 |
private int maxOpened = 3; |
60 |
|
61 |
public void update(Observable observable, Object notification) { |
62 |
ResourceNotification rNotification; |
63 |
if (notification instanceof ResourceNotification) { |
64 |
rNotification = (ResourceNotification) notification; |
65 |
} else {
|
66 |
return;
|
67 |
} |
68 |
if (rNotification.getType().equals(ResourceNotification.OPENED)) {
|
69 |
try {
|
70 |
this.ajustResources();
|
71 |
} catch (CloseException e) {
|
72 |
e.printStackTrace(); |
73 |
} |
74 |
|
75 |
} |
76 |
|
77 |
} |
78 |
|
79 |
public void closeAndDisposeAll() throws KeyException, DataException { |
80 |
DefaultResourceManager rManager = DefaultResourceManager.getResourceManager(); |
81 |
|
82 |
Iterator iter = rManager.iterator();
|
83 |
String name, key;
|
84 |
while (iter.hasNext()) {
|
85 |
Resource res = (Resource) iter.next(); |
86 |
name = res.getName(); |
87 |
key = res.getKey(); |
88 |
if (res.isOpen()) {
|
89 |
res.close(); |
90 |
System.out.println("** closed: " + name + "(" + key + ")"); |
91 |
} |
92 |
|
93 |
rManager.forceRemove(res); |
94 |
System.out.println("** removed (forced): " + name + "(" + key |
95 |
+ ")");
|
96 |
|
97 |
iter = rManager.iterator(); |
98 |
} |
99 |
|
100 |
System.out.println("** Closed and Disposed all resources"); |
101 |
} |
102 |
|
103 |
|
104 |
public void ajustResources() throws CloseException { |
105 |
SortedSet resources = this.getResourcesOrdered(); |
106 |
if (resources.isEmpty() || resources.size() < this.maxOpened) { |
107 |
return;
|
108 |
} |
109 |
|
110 |
int opened = this.getOpenedResources(); |
111 |
int toClose = opened - this.maxOpened; |
112 |
if (toClose < 1) { |
113 |
return;
|
114 |
} |
115 |
System.out.println("** Resources to close: " + toClose); |
116 |
Iterator iter = resources.iterator();
|
117 |
while (iter.hasNext() && toClose > 0) { |
118 |
Resource res = (Resource) iter.next(); |
119 |
if (res.isOpen()) {
|
120 |
res.close(); |
121 |
toClose--; |
122 |
System.out.println("** closed: " + res.getName() + "(" |
123 |
+ res.getKey() + ")");
|
124 |
} |
125 |
|
126 |
} |
127 |
} |
128 |
|
129 |
public Comparator getResourceComparator() { |
130 |
Comparator resourceComparator = new Comparator(){ |
131 |
|
132 |
public int compare(Object arg0, Object arg1) { |
133 |
Resource res0=(Resource) arg0; |
134 |
Resource res1=(Resource) arg1; |
135 |
if (res0.isOpen() != res1.isOpen()){
|
136 |
if (res0.isOpen()){
|
137 |
return -1; |
138 |
} else{
|
139 |
return 1; |
140 |
} |
141 |
} else{
|
142 |
if (res0.getLastTimeUsed().before(res1.getLastTimeUsed())){
|
143 |
return -1; |
144 |
} else{
|
145 |
return 1; |
146 |
} |
147 |
} |
148 |
} |
149 |
}; |
150 |
|
151 |
return resourceComparator;
|
152 |
} |
153 |
|
154 |
public SortedSet getResourcesOrdered() { |
155 |
SortedSet set = new TreeSet(this.getResourceComparator()); |
156 |
ResourceManager resManager = DefaultResourceManager.getResourceManager(); |
157 |
Iterator iter = resManager.iterator();
|
158 |
|
159 |
while (iter.hasNext()) {
|
160 |
set.add(iter.next()); |
161 |
} |
162 |
return set;
|
163 |
} |
164 |
|
165 |
|
166 |
public void setMaxOpened(int maxOpened) { |
167 |
this.maxOpened = maxOpened;
|
168 |
} |
169 |
|
170 |
public int getMaxOpened() { |
171 |
return maxOpened;
|
172 |
} |
173 |
|
174 |
public int getOpenedResources() { |
175 |
ResourceManager resManager = DefaultResourceManager.getResourceManager(); |
176 |
Iterator iter = resManager.iterator();
|
177 |
int opened = 0; |
178 |
|
179 |
while (iter.hasNext()) {
|
180 |
if (((Resource) iter.next()).isOpen()) {
|
181 |
opened++; |
182 |
} |
183 |
} |
184 |
|
185 |
return opened;
|
186 |
} |
187 |
|
188 |
public void sys_out_resources() { |
189 |
ResourceManager resManager = DefaultResourceManager.getResourceManager(); |
190 |
Iterator iter = resManager.iterator();
|
191 |
while (iter.hasNext()) {
|
192 |
Resource res = (Resource) iter.next(); |
193 |
System.out.print("- Resource: " + res.getName() + "(" |
194 |
+ res.getKey() + ") ");
|
195 |
if (res.isOpen()) {
|
196 |
System.out.println(" [Open]"); |
197 |
} else {
|
198 |
System.out.println(" [Close]"); |
199 |
} |
200 |
} |
201 |
|
202 |
} |
203 |
|
204 |
|
205 |
} |
206 |
|
207 |
|
208 |
public void test_manual() { |
209 |
ResourceCloser closer = new ResourceCloser();
|
210 |
|
211 |
//Nos aseguramos que no hay recursos abiertos
|
212 |
try {
|
213 |
closer.closeAndDisposeAll(); |
214 |
} catch (Exception e1) { |
215 |
e1.printStackTrace(); |
216 |
fail(); |
217 |
} |
218 |
|
219 |
org.gvsig.fmap.data.feature.file.dbf.Register.selfRegister(); |
220 |
org.gvsig.fmap.data.feature.file.shp.Register.selfRegister(); |
221 |
org.gvsig.fmap.data.feature.file.dxf.Register.selfRegister(); |
222 |
org.gvsig.fmap.data.feature.file.dgn.Register.selfRegister(); |
223 |
|
224 |
DataStore shp = null;
|
225 |
DataStore shp_bis = null;
|
226 |
DataStore shpNull = null;
|
227 |
// DataStore dbf = null;
|
228 |
|
229 |
|
230 |
// Abrimos y cerrarmos uno (ojo los shp son dos recursos el dbf y el shp)
|
231 |
try {
|
232 |
shp = dataManager.createDataStore(SHPTest |
233 |
.getParams(SHPTest.fileNormal)); |
234 |
shp.getMetadata(); |
235 |
} catch (BaseException e) {
|
236 |
e.printStackTrace(); |
237 |
fail(); |
238 |
} |
239 |
assertEquals(2, closer.getOpenedResources());
|
240 |
try {
|
241 |
shp.dispose(); |
242 |
} catch (CloseException e) {
|
243 |
e.printStackTrace(); |
244 |
fail(); |
245 |
} |
246 |
assertEquals(0, closer.getOpenedResources());
|
247 |
|
248 |
|
249 |
|
250 |
|
251 |
// Abrimos dos veces el mismo y comprobamos que solo
|
252 |
// hay un recurso
|
253 |
try {
|
254 |
shp = dataManager.createDataStore(SHPTest |
255 |
.getParams(SHPTest.fileNormal)); |
256 |
shp.getMetadata(); |
257 |
} catch (BaseException e) {
|
258 |
e.printStackTrace(); |
259 |
fail(); |
260 |
} |
261 |
|
262 |
assertEquals(2, closer.getOpenedResources());
|
263 |
try {
|
264 |
shp_bis = dataManager.createDataStore(SHPTest |
265 |
.getParams(SHPTest.fileNormal)); |
266 |
shp_bis.getMetadata(); |
267 |
} catch (BaseException e) {
|
268 |
e.printStackTrace(); |
269 |
fail(); |
270 |
} |
271 |
assertEquals(2, closer.getOpenedResources());
|
272 |
|
273 |
// Abrimos un shp mas, llamamos al 'ajuste del closer' y comprobamos si deja solo 2
|
274 |
try {
|
275 |
shpNull = dataManager.createDataStore(SHPTest |
276 |
.getParams(SHPTest.fileGeometryNull)); |
277 |
shpNull.getMetadata(); |
278 |
} catch (BaseException e) {
|
279 |
e.printStackTrace(); |
280 |
fail(); |
281 |
} |
282 |
assertEquals(4, closer.getOpenedResources());
|
283 |
|
284 |
closer.setMaxOpened(2);
|
285 |
try {
|
286 |
closer.ajustResources(); |
287 |
} catch (CloseException e) {
|
288 |
e.printStackTrace(); |
289 |
fail(); |
290 |
} |
291 |
assertEquals(2, closer.getOpenedResources());
|
292 |
|
293 |
//comprobamos que todos se puede volver a usar sin
|
294 |
//problemas
|
295 |
|
296 |
DataSet coll; |
297 |
try {
|
298 |
coll = shp.getDataSet(); |
299 |
coll.size(); |
300 |
coll.iterator().next(); |
301 |
coll.dispose(); |
302 |
|
303 |
coll = shp_bis.getDataSet(); |
304 |
coll.size(); |
305 |
coll.iterator().next(); |
306 |
coll.dispose(); |
307 |
|
308 |
coll = shpNull.getDataSet(); |
309 |
coll.size(); |
310 |
coll.iterator().next(); |
311 |
coll.dispose(); |
312 |
|
313 |
} catch (BaseException e) {
|
314 |
e.printStackTrace(); |
315 |
fail(); |
316 |
} |
317 |
|
318 |
//ahora deberian estar todos abiertos (4)
|
319 |
closer.sys_out_resources(); |
320 |
assertEquals(4, closer.getOpenedResources());
|
321 |
|
322 |
//volvemos a comprobar que funciona
|
323 |
closer.setMaxOpened(2);
|
324 |
try {
|
325 |
closer.ajustResources(); |
326 |
} catch (CloseException e) {
|
327 |
e.printStackTrace(); |
328 |
fail(); |
329 |
} |
330 |
assertEquals(2, closer.getOpenedResources());
|
331 |
|
332 |
try {
|
333 |
shp.dispose(); |
334 |
shp_bis.dispose(); |
335 |
shpNull.dispose(); |
336 |
} catch (CloseException e) {
|
337 |
e.printStackTrace(); |
338 |
fail(); |
339 |
} |
340 |
|
341 |
|
342 |
} |
343 |
|
344 |
|
345 |
|
346 |
public void test_auto() { |
347 |
ResourceCloser closer = new ResourceCloser();
|
348 |
|
349 |
//Nos aseguramos que no hay recursos abiertos
|
350 |
try {
|
351 |
closer.closeAndDisposeAll(); |
352 |
} catch (Exception e1) { |
353 |
e1.printStackTrace(); |
354 |
fail(); |
355 |
} |
356 |
org.gvsig.fmap.data.feature.file.dbf.Register.selfRegister(); |
357 |
org.gvsig.fmap.data.feature.file.shp.Register.selfRegister(); |
358 |
org.gvsig.fmap.data.feature.file.dxf.Register.selfRegister(); |
359 |
org.gvsig.fmap.data.feature.file.dgn.Register.selfRegister(); |
360 |
|
361 |
DataStore shp = null;
|
362 |
DataStore shp_bis = null;
|
363 |
DataStore shpNull = null;
|
364 |
//DataStore dbf = null;
|
365 |
|
366 |
// A?adimos el 'closer' como observador para que no deje abierta
|
367 |
// nunca mas de 2 fuentes
|
368 |
DefaultResourceManager rManager = DefaultResourceManager.getResourceManager(); |
369 |
closer.setMaxOpened(2);
|
370 |
rManager.addObserver(closer); |
371 |
|
372 |
// Abrimos y cerrarmos uno (ojo los shp son dos recursos el dbf y el shp)
|
373 |
try {
|
374 |
shp = dataManager.createDataStore(SHPTest |
375 |
.getParams(SHPTest.fileNormal)); |
376 |
shp.getMetadata(); |
377 |
} catch (BaseException e) {
|
378 |
e.printStackTrace(); |
379 |
fail(); |
380 |
} |
381 |
assertEquals(2, closer.getOpenedResources());
|
382 |
try {
|
383 |
shp.dispose(); |
384 |
} catch (CloseException e) {
|
385 |
e.printStackTrace(); |
386 |
fail(); |
387 |
} |
388 |
assertEquals(0, closer.getOpenedResources());
|
389 |
|
390 |
// Abrimos dos veces el mismo y comprobamos que solo
|
391 |
// hay un recurso
|
392 |
try {
|
393 |
shp = dataManager.createDataStore(SHPTest |
394 |
.getParams(SHPTest.fileNormal)); |
395 |
shp.getMetadata(); |
396 |
} catch (BaseException e) {
|
397 |
e.printStackTrace(); |
398 |
fail(); |
399 |
} |
400 |
|
401 |
assertEquals(2, closer.getOpenedResources());
|
402 |
try {
|
403 |
shp_bis = dataManager.createDataStore(SHPTest |
404 |
.getParams(SHPTest.fileNormal)); |
405 |
shp_bis.getMetadata(); |
406 |
} catch (BaseException e) {
|
407 |
e.printStackTrace(); |
408 |
fail(); |
409 |
} |
410 |
assertEquals(2, closer.getOpenedResources());
|
411 |
|
412 |
// Abrimos un shp mas y comprobamos si deja solo 2
|
413 |
try {
|
414 |
shpNull = dataManager.createDataStore(SHPTest |
415 |
.getParams(SHPTest.fileGeometryNull)); |
416 |
shpNull.getMetadata(); |
417 |
} catch (BaseException e) {
|
418 |
e.printStackTrace(); |
419 |
fail(); |
420 |
} |
421 |
assertEquals(2, closer.getOpenedResources());
|
422 |
|
423 |
//comprobamos que todos se puede volver a usar sin
|
424 |
//problemas
|
425 |
|
426 |
DataSet coll; |
427 |
try {
|
428 |
coll = shp.getDataSet(); |
429 |
coll.size(); |
430 |
coll.iterator().next(); |
431 |
coll.dispose(); |
432 |
assertEquals(2, closer.getOpenedResources());
|
433 |
|
434 |
coll = shp_bis.getDataSet(); |
435 |
coll.size(); |
436 |
coll.iterator().next(); |
437 |
coll.dispose(); |
438 |
assertEquals(2, closer.getOpenedResources());
|
439 |
|
440 |
coll = shpNull.getDataSet(); |
441 |
coll.size(); |
442 |
coll.iterator().next(); |
443 |
coll.dispose(); |
444 |
assertEquals(2, closer.getOpenedResources());
|
445 |
|
446 |
} catch (BaseException e) {
|
447 |
e.printStackTrace(); |
448 |
fail(); |
449 |
} |
450 |
|
451 |
assertEquals(2, closer.getOpenedResources());
|
452 |
|
453 |
} |
454 |
|
455 |
public void test_deadResources() { |
456 |
ResourceCloser closer = new ResourceCloser();
|
457 |
|
458 |
//Nos aseguramos que no hay recursos abiertos
|
459 |
try {
|
460 |
closer.closeAndDisposeAll(); |
461 |
} catch (Exception e1) { |
462 |
e1.printStackTrace(); |
463 |
fail(); |
464 |
} |
465 |
org.gvsig.fmap.data.feature.file.dbf.Register.selfRegister(); |
466 |
org.gvsig.fmap.data.feature.file.shp.Register.selfRegister(); |
467 |
org.gvsig.fmap.data.feature.file.dxf.Register.selfRegister(); |
468 |
org.gvsig.fmap.data.feature.file.dgn.Register.selfRegister(); |
469 |
|
470 |
DataStore shp = null;
|
471 |
|
472 |
ResourceManager rManager = DefaultResourceManager.getResourceManager(); |
473 |
|
474 |
try {
|
475 |
shp = dataManager.createDataStore(SHPTest |
476 |
.getParams(SHPTest.fileNormal)); |
477 |
shp.getMetadata(); |
478 |
} catch (BaseException e) {
|
479 |
e.printStackTrace(); |
480 |
fail(); |
481 |
} |
482 |
assertEquals(2, closer.getOpenedResources());
|
483 |
|
484 |
// Eliminamos la referencia al Store para que se quede 'colgado' el recurso
|
485 |
shp = null;
|
486 |
assertEquals(2, closer.getOpenedResources());
|
487 |
|
488 |
// lanzamos el garbageCollector para que se muera la referencia
|
489 |
System.gc();
|
490 |
System.gc();
|
491 |
System.gc();
|
492 |
|
493 |
// Cogemos el primer recuros y pedimos su cantidad de referencias
|
494 |
// esto deber?a de dejar la referencias a 0.
|
495 |
Iterator iter = rManager.iterator();
|
496 |
|
497 |
assertEquals(0, ((AbstractResource) iter.next()).getRefencesCount());
|
498 |
|
499 |
//lanzamos la 'recoleccion' y deber?a de dejar todas las referencia limpias
|
500 |
// y el manager vacio
|
501 |
try {
|
502 |
rManager.collectDeadResources(); |
503 |
} catch (DataException e) {
|
504 |
e.printStackTrace(); |
505 |
fail(); |
506 |
return;
|
507 |
} |
508 |
|
509 |
assertEquals(0, closer.getOpenedResources());
|
510 |
|
511 |
assertEquals(0, closer.getResourcesOrdered().size());
|
512 |
|
513 |
|
514 |
} |
515 |
|
516 |
public void test_deadResourcesThread() { |
517 |
ResourceCloser closer = new ResourceCloser();
|
518 |
|
519 |
//Nos aseguramos que no hay recursos abiertos
|
520 |
try {
|
521 |
closer.closeAndDisposeAll(); |
522 |
} catch (Exception e1) { |
523 |
e1.printStackTrace(); |
524 |
fail(); |
525 |
} |
526 |
org.gvsig.fmap.data.feature.file.dbf.Register.selfRegister(); |
527 |
org.gvsig.fmap.data.feature.file.shp.Register.selfRegister(); |
528 |
org.gvsig.fmap.data.feature.file.dxf.Register.selfRegister(); |
529 |
org.gvsig.fmap.data.feature.file.dgn.Register.selfRegister(); |
530 |
|
531 |
DataStore shp = null;
|
532 |
|
533 |
ResourceManager rManager = DefaultResourceManager.getResourceManager(); |
534 |
|
535 |
//Lanzamos el thread
|
536 |
|
537 |
rManager.startDeadResourceCollectorThread(10); // 1/100 seg |
538 |
|
539 |
try {
|
540 |
shp = dataManager.createDataStore(SHPTest |
541 |
.getParams(SHPTest.fileNormal)); |
542 |
shp.getMetadata(); |
543 |
} catch (BaseException e) {
|
544 |
e.printStackTrace(); |
545 |
fail(); |
546 |
} |
547 |
assertEquals(2, closer.getOpenedResources());
|
548 |
|
549 |
// Eliminamos la referencia al Store para que se quede 'colgado' el recurso
|
550 |
shp = null;
|
551 |
assertEquals(2, closer.getOpenedResources());
|
552 |
|
553 |
long t = System.currentTimeMillis(); |
554 |
while (System.currentTimeMillis() - t < 50) { |
555 |
// lanzamos el garbageCollector para que se muera la referencia
|
556 |
System.gc();
|
557 |
} |
558 |
|
559 |
|
560 |
// Comprobamos que los recursos ya no existen
|
561 |
assertEquals(0, closer.getOpenedResources());
|
562 |
|
563 |
assertEquals(0, closer.getResourcesOrdered().size());
|
564 |
|
565 |
rManager.stopDeadResourceCollectorThread(); |
566 |
|
567 |
} |
568 |
|
569 |
} |