12 |
|
|
13 |
|
|
14 |
|
/** |
15 |
< |
* Base class for JSR166 Junit TCK tests. Defines some constants and |
16 |
< |
* utility methods, as well as a simple framework for helping to make |
17 |
< |
* sure that assertions failing in generated threads cause the |
18 |
< |
* associated test that generated them to itself fail (which JUnit doe |
19 |
< |
* not otherwise arrange). The rules for creating such tests are: |
15 |
> |
* Base class for JSR166 Junit TCK tests. Defines some constants, |
16 |
> |
* utility methods and classes, as well as a simple framework for |
17 |
> |
* helping to make sure that assertions failing in generated threads |
18 |
> |
* cause the associated test that generated them to itself fail (which |
19 |
> |
* JUnit doe not otherwise arrange). The rules for creating such |
20 |
> |
* tests are: |
21 |
|
* |
22 |
|
* <ol> |
23 |
|
* |
34 |
|
* them. These methods are used to clear and check for thread |
35 |
|
* assertion failures.</li> |
36 |
|
* |
37 |
< |
* <li>All delays and timeouts must use one of the constants {@link |
38 |
< |
* SHORT_DELAY_MS}, {@link SMALL_DELAY_MS}, {@link MEDIUM_DELAY_MS}, |
39 |
< |
* {@link LONG_DELAY_MS}. The idea here is that a SHORT is always |
40 |
< |
* discriminatable from zero time, and always allows enough time for |
41 |
< |
* the small amounts of computation (creating a thread, calling a few |
37 |
> |
* <li>All delays and timeouts must use one of the constants <tt> |
38 |
> |
* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>, |
39 |
> |
* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always |
40 |
> |
* discriminable from zero time, and always allows enough time for the |
41 |
> |
* small amounts of computation (creating a thread, calling a few |
42 |
|
* methods, etc) needed to reach a timeout point. Similarly, a SMALL |
43 |
|
* is always discriminable as larger than SHORT and smaller than |
44 |
|
* MEDIUM. And so on. These constants are set to conservative values, |
45 |
< |
* (100, 500, 1000, 5000 MS) but even so, if there is ever any doubt, |
46 |
< |
* they can all be increased in one spot to rerun tests on slower |
46 |
< |
* platforms</li> |
45 |
> |
* but even so, if there is ever any doubt, they can all be increased |
46 |
> |
* in one spot to rerun tests on slower platforms</li> |
47 |
|
* |
48 |
|
* <li> All threads generated must be joined inside each test case |
49 |
|
* method (or <tt>fail</tt> to do so) before returning from the |
50 |
< |
* method. The {@link joinPool} method can be used to do this when |
50 |
> |
* method. The <tt> joinPool</tt> method can be used to do this when |
51 |
|
* using Executors.</li> |
52 |
|
* |
53 |
|
* </ol> |
54 |
+ |
* |
55 |
+ |
* <p> <b>Other notes</b> |
56 |
+ |
* <ul> |
57 |
+ |
* |
58 |
+ |
* <li> Usually, there is one testcase method per JSR166 method |
59 |
+ |
* covering "normal" operation, and then as many exception-testing |
60 |
+ |
* methods as there are exceptions the method can throw. Sometimes |
61 |
+ |
* there are multiple tests per JSR166 method when the different |
62 |
+ |
* "normal" behaviors differ significantly. And sometimes testcases |
63 |
+ |
* cover multiple methods when they cannot be tested in |
64 |
+ |
* isolation.</li> |
65 |
+ |
* |
66 |
+ |
* <li> The documentation style for testcases is to provide as javadoc |
67 |
+ |
* a simple sentence or two describing the property that the testcase |
68 |
+ |
* method purports to test. The javadocs do not say anything about how |
69 |
+ |
* the property is tested. To find out, read the code.</li> |
70 |
+ |
* |
71 |
+ |
* <li> These tests are "conformance tests", and do not attempt to |
72 |
+ |
* test throughput, latency, scalability or other performance factors |
73 |
+ |
* (see the separate "jtreg" tests for a set intended to check these |
74 |
+ |
* for the most central aspects of functionality.) So, most tests use |
75 |
+ |
* the smallest sensible numbers of threads, collection sizes, etc |
76 |
+ |
* needed to check basic conformance.</li> |
77 |
+ |
* |
78 |
+ |
* <li>The test classes currently do not declare inclusion in |
79 |
+ |
* any particular package to simplify things for people integrating |
80 |
+ |
* them in TCK test suites.</li> |
81 |
+ |
* |
82 |
+ |
* <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase) |
83 |
+ |
* runs all JSR166 unit tests.</li> |
84 |
+ |
* |
85 |
+ |
* </ul> |
86 |
|
*/ |
87 |
|
public class JSR166TestCase extends TestCase { |
88 |
+ |
/** |
89 |
+ |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
90 |
+ |
*/ |
91 |
+ |
public static void main (String[] args) { |
92 |
+ |
junit.textui.TestRunner.run (suite()); |
93 |
+ |
} |
94 |
+ |
|
95 |
+ |
/** |
96 |
+ |
* Collects all JSR166 unit tests as one suite |
97 |
+ |
*/ |
98 |
+ |
public static Test suite ( ) { |
99 |
+ |
TestSuite suite = new TestSuite("JSR166 Unit Tests"); |
100 |
+ |
|
101 |
+ |
suite.addTest(new TestSuite(ArrayBlockingQueueTest.class)); |
102 |
+ |
suite.addTest(new TestSuite(AtomicBooleanTest.class)); |
103 |
+ |
suite.addTest(new TestSuite(AtomicIntegerArrayTest.class)); |
104 |
+ |
suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class)); |
105 |
+ |
suite.addTest(new TestSuite(AtomicIntegerTest.class)); |
106 |
+ |
suite.addTest(new TestSuite(AtomicLongArrayTest.class)); |
107 |
+ |
suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class)); |
108 |
+ |
suite.addTest(new TestSuite(AtomicLongTest.class)); |
109 |
+ |
suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class)); |
110 |
+ |
suite.addTest(new TestSuite(AtomicReferenceArrayTest.class)); |
111 |
+ |
suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class)); |
112 |
+ |
suite.addTest(new TestSuite(AtomicReferenceTest.class)); |
113 |
+ |
suite.addTest(new TestSuite(AtomicStampedReferenceTest.class)); |
114 |
+ |
suite.addTest(new TestSuite(CancellableTaskTest.class)); |
115 |
+ |
suite.addTest(new TestSuite(ConcurrentHashMapTest.class)); |
116 |
+ |
suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class)); |
117 |
+ |
suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class)); |
118 |
+ |
suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class)); |
119 |
+ |
suite.addTest(new TestSuite(CountDownLatchTest.class)); |
120 |
+ |
suite.addTest(new TestSuite(CyclicBarrierTest.class)); |
121 |
+ |
suite.addTest(new TestSuite(DelayQueueTest.class)); |
122 |
+ |
suite.addTest(new TestSuite(ExchangerTest.class)); |
123 |
+ |
suite.addTest(new TestSuite(ExecutorsTest.class)); |
124 |
+ |
suite.addTest(new TestSuite(FairSemaphoreTest.class)); |
125 |
+ |
suite.addTest(new TestSuite(FutureTaskTest.class)); |
126 |
+ |
suite.addTest(new TestSuite(LinkedBlockingQueueTest.class)); |
127 |
+ |
suite.addTest(new TestSuite(LinkedListTest.class)); |
128 |
+ |
suite.addTest(new TestSuite(LockSupportTest.class)); |
129 |
+ |
suite.addTest(new TestSuite(PriorityBlockingQueueTest.class)); |
130 |
+ |
suite.addTest(new TestSuite(PriorityQueueTest.class)); |
131 |
+ |
suite.addTest(new TestSuite(ReentrantLockTest.class)); |
132 |
+ |
suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class)); |
133 |
+ |
suite.addTest(new TestSuite(ScheduledExecutorTest.class)); |
134 |
+ |
suite.addTest(new TestSuite(SemaphoreTest.class)); |
135 |
+ |
suite.addTest(new TestSuite(SynchronousQueueTest.class)); |
136 |
+ |
suite.addTest(new TestSuite(SystemTest.class)); |
137 |
+ |
suite.addTest(new TestSuite(ThreadLocalTest.class)); |
138 |
+ |
suite.addTest(new TestSuite(ThreadPoolExecutorTest.class)); |
139 |
+ |
suite.addTest(new TestSuite(ThreadTest.class)); |
140 |
+ |
suite.addTest(new TestSuite(TimeUnitTest.class)); |
141 |
+ |
|
142 |
+ |
return suite; |
143 |
+ |
} |
144 |
+ |
|
145 |
+ |
|
146 |
+ |
public static long SHORT_DELAY_MS; |
147 |
+ |
public static long SMALL_DELAY_MS; |
148 |
+ |
public static long MEDIUM_DELAY_MS; |
149 |
+ |
public static long LONG_DELAY_MS; |
150 |
+ |
|
151 |
+ |
|
152 |
+ |
/** |
153 |
+ |
* Return the shortest timed delay. This could |
154 |
+ |
* be reimplmented to use for example a Property. |
155 |
+ |
*/ |
156 |
+ |
protected long getShortDelay() { |
157 |
+ |
return 100; |
158 |
+ |
} |
159 |
+ |
|
160 |
+ |
|
161 |
+ |
/** |
162 |
+ |
* Set delays as multiples of SHORT_DELAY. |
163 |
+ |
*/ |
164 |
+ |
protected void setDelays() { |
165 |
+ |
SHORT_DELAY_MS = getShortDelay(); |
166 |
+ |
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
167 |
+ |
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
168 |
+ |
LONG_DELAY_MS = SHORT_DELAY_MS * 50; |
169 |
+ |
} |
170 |
|
|
171 |
|
/** |
172 |
|
* Flag set true if any threadAssert methods fail |
173 |
|
*/ |
174 |
< |
protected volatile boolean threadFailed; |
174 |
> |
volatile boolean threadFailed; |
175 |
|
|
176 |
|
/** |
177 |
< |
* Initialize test to indicat that no thread assertions have failed |
177 |
> |
* Initialize test to indicate that no thread assertions have failed |
178 |
|
*/ |
179 |
|
public void setUp() { |
180 |
+ |
setDelays(); |
181 |
|
threadFailed = false; |
182 |
|
} |
183 |
|
|
188 |
|
assertFalse(threadFailed); |
189 |
|
} |
190 |
|
|
191 |
+ |
/** |
192 |
+ |
* Fail, also setting status to indicate current testcase should fail |
193 |
+ |
*/ |
194 |
|
public void threadFail(String reason) { |
195 |
|
threadFailed = true; |
196 |
|
fail(reason); |
197 |
|
} |
198 |
|
|
199 |
+ |
/** |
200 |
+ |
* If expression not true, set status to indicate current testcase |
201 |
+ |
* should fail |
202 |
+ |
*/ |
203 |
|
public void threadAssertTrue(boolean b) { |
204 |
|
if (!b) { |
205 |
|
threadFailed = true; |
206 |
|
assertTrue(b); |
207 |
|
} |
208 |
|
} |
209 |
+ |
|
210 |
+ |
/** |
211 |
+ |
* If expression not false, set status to indicate current testcase |
212 |
+ |
* should fail |
213 |
+ |
*/ |
214 |
|
public void threadAssertFalse(boolean b) { |
215 |
|
if (b) { |
216 |
|
threadFailed = true; |
217 |
|
assertFalse(b); |
218 |
|
} |
219 |
|
} |
220 |
+ |
|
221 |
+ |
/** |
222 |
+ |
* If argument not null, set status to indicate current testcase |
223 |
+ |
* should fail |
224 |
+ |
*/ |
225 |
|
public void threadAssertNull(Object x) { |
226 |
|
if (x != null) { |
227 |
|
threadFailed = true; |
228 |
|
assertNull(x); |
229 |
|
} |
230 |
|
} |
231 |
+ |
|
232 |
+ |
/** |
233 |
+ |
* If arguments not equal, set status to indicate current testcase |
234 |
+ |
* should fail |
235 |
+ |
*/ |
236 |
|
public void threadAssertEquals(long x, long y) { |
237 |
|
if (x != y) { |
238 |
|
threadFailed = true; |
239 |
|
assertEquals(x, y); |
240 |
|
} |
241 |
|
} |
242 |
+ |
|
243 |
+ |
/** |
244 |
+ |
* If arguments not equal, set status to indicate current testcase |
245 |
+ |
* should fail |
246 |
+ |
*/ |
247 |
|
public void threadAssertEquals(Object x, Object y) { |
248 |
|
if (x != y && (x == null || !x.equals(y))) { |
249 |
|
threadFailed = true; |
252 |
|
} |
253 |
|
|
254 |
|
/** |
255 |
+ |
* threadFail with message "should throw exception" |
256 |
+ |
*/ |
257 |
+ |
public void threadShouldThrow() { |
258 |
+ |
threadFailed = true; |
259 |
+ |
fail("should throw exception"); |
260 |
+ |
} |
261 |
+ |
|
262 |
+ |
/** |
263 |
+ |
* threadFail with message "Unexpected exception" |
264 |
+ |
*/ |
265 |
+ |
public void threadUnexpectedException() { |
266 |
+ |
threadFailed = true; |
267 |
+ |
fail("Unexpected exception"); |
268 |
+ |
} |
269 |
+ |
|
270 |
+ |
|
271 |
+ |
/** |
272 |
|
* Wait out termination of a thread pool or fail doing so |
273 |
|
*/ |
274 |
|
public void joinPool(ExecutorService exec) { |
276 |
|
exec.shutdown(); |
277 |
|
assertTrue(exec.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
278 |
|
} catch(InterruptedException ie) { |
279 |
< |
fail("unexpected exception"); |
279 |
> |
fail("Unexpected exception"); |
280 |
|
} |
281 |
|
} |
282 |
|
|
283 |
< |
public static final long SHORT_DELAY_MS = 100; |
284 |
< |
public static final long SMALL_DELAY_MS = 500; |
285 |
< |
public static final long MEDIUM_DELAY_MS = 1000; |
286 |
< |
public static final long LONG_DELAY_MS = 5000; |
283 |
> |
|
284 |
> |
/** |
285 |
> |
* fail with message "should throw exception" |
286 |
> |
*/ |
287 |
> |
public void shouldThrow() { |
288 |
> |
fail("Should throw exception"); |
289 |
> |
} |
290 |
> |
|
291 |
> |
/** |
292 |
> |
* fail with message "Unexpected exception" |
293 |
> |
*/ |
294 |
> |
public void unexpectedException() { |
295 |
> |
fail("Unexpected exception"); |
296 |
> |
} |
297 |
|
|
298 |
|
|
299 |
|
/** |
300 |
|
* The number of elements to place in collections, arrays, etc. |
301 |
|
*/ |
302 |
< |
public static final int SIZE = 20; |
302 |
> |
static final int SIZE = 20; |
303 |
|
|
304 |
|
// Some convenient Integer constants |
305 |
|
|
306 |
< |
public static final Integer zero = new Integer(0); |
307 |
< |
public static final Integer one = new Integer(1); |
308 |
< |
public static final Integer two = new Integer(2); |
309 |
< |
public static final Integer three = new Integer(3); |
310 |
< |
public static final Integer four = new Integer(4); |
311 |
< |
public static final Integer five = new Integer(5); |
312 |
< |
public static final Integer six = new Integer(6); |
313 |
< |
public static final Integer seven = new Integer(7); |
314 |
< |
public static final Integer eight = new Integer(8); |
315 |
< |
public static final Integer nine = new Integer(9); |
316 |
< |
public static final Integer m1 = new Integer(-1); |
317 |
< |
public static final Integer m2 = new Integer(-2); |
318 |
< |
public static final Integer m3 = new Integer(-3); |
319 |
< |
public static final Integer m4 = new Integer(-4); |
320 |
< |
public static final Integer m5 = new Integer(-5); |
321 |
< |
public static final Integer m10 = new Integer(-10); |
306 |
> |
static final Integer zero = new Integer(0); |
307 |
> |
static final Integer one = new Integer(1); |
308 |
> |
static final Integer two = new Integer(2); |
309 |
> |
static final Integer three = new Integer(3); |
310 |
> |
static final Integer four = new Integer(4); |
311 |
> |
static final Integer five = new Integer(5); |
312 |
> |
static final Integer six = new Integer(6); |
313 |
> |
static final Integer seven = new Integer(7); |
314 |
> |
static final Integer eight = new Integer(8); |
315 |
> |
static final Integer nine = new Integer(9); |
316 |
> |
static final Integer m1 = new Integer(-1); |
317 |
> |
static final Integer m2 = new Integer(-2); |
318 |
> |
static final Integer m3 = new Integer(-3); |
319 |
> |
static final Integer m4 = new Integer(-4); |
320 |
> |
static final Integer m5 = new Integer(-5); |
321 |
> |
static final Integer m10 = new Integer(-10); |
322 |
|
|
323 |
|
|
324 |
|
// Some convenient Runnable classes |
325 |
|
|
326 |
< |
public static class NoOpRunnable implements Runnable { |
326 |
> |
static class NoOpRunnable implements Runnable { |
327 |
|
public void run() {} |
328 |
|
} |
329 |
|
|
330 |
< |
public static class NoOpCallable implements Callable { |
330 |
> |
static class NoOpCallable implements Callable { |
331 |
|
public Object call() { return Boolean.TRUE; } |
332 |
|
} |
333 |
|
|
334 |
< |
public class ShortRunnable implements Runnable { |
334 |
> |
class ShortRunnable implements Runnable { |
335 |
|
public void run() { |
336 |
|
try { |
337 |
|
Thread.sleep(SHORT_DELAY_MS); |
338 |
|
} |
339 |
|
catch(Exception e) { |
340 |
< |
threadFail("unexpectedException"); |
340 |
> |
threadUnexpectedException(); |
341 |
|
} |
342 |
|
} |
343 |
|
} |
344 |
|
|
345 |
< |
public class ShortInterruptedRunnable implements Runnable { |
345 |
> |
class ShortInterruptedRunnable implements Runnable { |
346 |
|
public void run() { |
347 |
|
try { |
348 |
|
Thread.sleep(SHORT_DELAY_MS); |
349 |
< |
threadFail("should throw IE"); |
349 |
> |
threadShouldThrow(); |
350 |
|
} |
351 |
|
catch(InterruptedException success) { |
352 |
|
} |
353 |
|
} |
354 |
|
} |
355 |
|
|
356 |
< |
public class SmallRunnable implements Runnable { |
356 |
> |
class SmallRunnable implements Runnable { |
357 |
|
public void run() { |
358 |
|
try { |
359 |
|
Thread.sleep(SMALL_DELAY_MS); |
360 |
|
} |
361 |
|
catch(Exception e) { |
362 |
< |
threadFail("unexpectedException"); |
362 |
> |
threadUnexpectedException(); |
363 |
|
} |
364 |
|
} |
365 |
|
} |
366 |
|
|
367 |
< |
public class SmallCallable implements Callable { |
367 |
> |
class SmallPossiblyInterruptedRunnable implements Runnable { |
368 |
> |
public void run() { |
369 |
> |
try { |
370 |
> |
Thread.sleep(SMALL_DELAY_MS); |
371 |
> |
} |
372 |
> |
catch(Exception e) { |
373 |
> |
} |
374 |
> |
} |
375 |
> |
} |
376 |
> |
|
377 |
> |
class SmallCallable implements Callable { |
378 |
|
public Object call() { |
379 |
|
try { |
380 |
|
Thread.sleep(SMALL_DELAY_MS); |
381 |
|
} |
382 |
|
catch(Exception e) { |
383 |
< |
threadFail("unexpectedException"); |
383 |
> |
threadUnexpectedException(); |
384 |
|
} |
385 |
|
return Boolean.TRUE; |
386 |
|
} |
387 |
|
} |
388 |
|
|
389 |
< |
public class SmallInterruptedRunnable implements Runnable { |
389 |
> |
class SmallInterruptedRunnable implements Runnable { |
390 |
|
public void run() { |
391 |
|
try { |
392 |
|
Thread.sleep(SMALL_DELAY_MS); |
393 |
< |
threadFail("should throw IE"); |
393 |
> |
threadShouldThrow(); |
394 |
|
} |
395 |
|
catch(InterruptedException success) { |
396 |
|
} |
398 |
|
} |
399 |
|
|
400 |
|
|
401 |
< |
public class MediumRunnable implements Runnable { |
401 |
> |
class MediumRunnable implements Runnable { |
402 |
|
public void run() { |
403 |
|
try { |
404 |
|
Thread.sleep(MEDIUM_DELAY_MS); |
405 |
|
} |
406 |
|
catch(Exception e) { |
407 |
< |
threadFail("unexpectedException"); |
407 |
> |
threadUnexpectedException(); |
408 |
|
} |
409 |
|
} |
410 |
|
} |
411 |
|
|
412 |
< |
public class MediumInterruptedRunnable implements Runnable { |
412 |
> |
class MediumInterruptedRunnable implements Runnable { |
413 |
|
public void run() { |
414 |
|
try { |
415 |
|
Thread.sleep(MEDIUM_DELAY_MS); |
416 |
< |
threadFail("should throw IE"); |
416 |
> |
threadShouldThrow(); |
417 |
|
} |
418 |
|
catch(InterruptedException success) { |
419 |
|
} |
420 |
|
} |
421 |
|
} |
422 |
|
|
423 |
< |
public class MediumPossiblyInterruptedRunnable implements Runnable { |
423 |
> |
class MediumPossiblyInterruptedRunnable implements Runnable { |
424 |
|
public void run() { |
425 |
|
try { |
426 |
|
Thread.sleep(MEDIUM_DELAY_MS); |
429 |
|
} |
430 |
|
} |
431 |
|
} |
432 |
+ |
|
433 |
+ |
/** |
434 |
+ |
* For use as ThreadFactory in constructors |
435 |
+ |
*/ |
436 |
+ |
static class SimpleThreadFactory implements ThreadFactory{ |
437 |
+ |
public Thread newThread(Runnable r){ |
438 |
+ |
return new Thread(r); |
439 |
+ |
} |
440 |
+ |
} |
441 |
+ |
|
442 |
+ |
static class TrackedShortRunnable implements Runnable { |
443 |
+ |
volatile boolean done = false; |
444 |
+ |
public void run() { |
445 |
+ |
try { |
446 |
+ |
Thread.sleep(SMALL_DELAY_MS); |
447 |
+ |
done = true; |
448 |
+ |
} catch(Exception e){ |
449 |
+ |
} |
450 |
+ |
} |
451 |
+ |
} |
452 |
+ |
|
453 |
+ |
static class TrackedMediumRunnable implements Runnable { |
454 |
+ |
volatile boolean done = false; |
455 |
+ |
public void run() { |
456 |
+ |
try { |
457 |
+ |
Thread.sleep(MEDIUM_DELAY_MS); |
458 |
+ |
done = true; |
459 |
+ |
} catch(Exception e){ |
460 |
+ |
} |
461 |
+ |
} |
462 |
+ |
} |
463 |
+ |
|
464 |
+ |
static class TrackedLongRunnable implements Runnable { |
465 |
+ |
volatile boolean done = false; |
466 |
+ |
public void run() { |
467 |
+ |
try { |
468 |
+ |
Thread.sleep(LONG_DELAY_MS); |
469 |
+ |
done = true; |
470 |
+ |
} catch(Exception e){ |
471 |
+ |
} |
472 |
+ |
} |
473 |
+ |
} |
474 |
+ |
|
475 |
+ |
static class TrackedNoOpRunnable implements Runnable { |
476 |
+ |
volatile boolean done = false; |
477 |
+ |
public void run() { |
478 |
+ |
done = true; |
479 |
+ |
} |
480 |
+ |
} |
481 |
+ |
|
482 |
+ |
static class TrackedCallable implements Callable { |
483 |
+ |
volatile boolean done = false; |
484 |
+ |
public Object call() { |
485 |
+ |
try { |
486 |
+ |
Thread.sleep(SMALL_DELAY_MS); |
487 |
+ |
done = true; |
488 |
+ |
} catch(Exception e){ |
489 |
+ |
} |
490 |
+ |
return Boolean.TRUE; |
491 |
+ |
} |
492 |
+ |
} |
493 |
+ |
|
494 |
+ |
/** |
495 |
+ |
* For use as RejectedExecutionHandler in constructors |
496 |
+ |
*/ |
497 |
+ |
static class NoOpREHandler implements RejectedExecutionHandler{ |
498 |
+ |
public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){} |
499 |
+ |
} |
500 |
+ |
|
501 |
|
|
502 |
|
} |