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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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|
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< |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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< |
import static java.util.concurrent.TimeUnit.SECONDS; |
10 |
< |
|
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> |
import java.util.concurrent.CompletableFuture; |
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import java.util.concurrent.Executor; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.Flow; |
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import static java.util.concurrent.Flow.Publisher; |
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import static java.util.concurrent.Flow.Subscriber; |
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import static java.util.concurrent.Flow.Subscription; |
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import java.util.concurrent.LinkedBlockingQueue; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.LinkedBlockingQueue; |
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import java.util.concurrent.SubmissionPublisher; |
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import java.util.concurrent.ThreadFactory; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import java.util.function.BiConsumer; |
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import java.util.function.BiPredicate; |
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import java.util.function.BiFunction; |
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|
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> |
import java.util.function.BiPredicate; |
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> |
import java.util.stream.Stream; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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import static java.util.concurrent.Flow.Publisher; |
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import static java.util.concurrent.Flow.Subscriber; |
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import static java.util.concurrent.Flow.Subscription; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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|
32 |
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public class SubmissionPublisherTest extends JSR166TestCase { |
33 |
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|
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public static void main(String[] args) { |
949 |
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assertTrue(calls.get() >= 2); |
950 |
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} |
951 |
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|
952 |
+ |
/** |
953 |
+ |
* consume returns a CompletableFuture that is done when |
954 |
+ |
* publisher completes |
955 |
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*/ |
956 |
+ |
public void testConsume() { |
957 |
+ |
AtomicInteger sum = new AtomicInteger(); |
958 |
+ |
SubmissionPublisher<Integer> p = basicPublisher(); |
959 |
+ |
CompletableFuture<Void> f = |
960 |
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p.consume((Integer x) -> { sum.getAndAdd(x.intValue()); }); |
961 |
+ |
int n = 20; |
962 |
+ |
for (int i = 1; i <= n; ++i) |
963 |
+ |
p.submit(i); |
964 |
+ |
p.close(); |
965 |
+ |
f.join(); |
966 |
+ |
assertEquals((n * (n + 1)) / 2, sum.get()); |
967 |
+ |
} |
968 |
+ |
|
969 |
+ |
/** |
970 |
+ |
* consume(null) throws NPE |
971 |
+ |
*/ |
972 |
+ |
public void testConsumeNPE() { |
973 |
+ |
SubmissionPublisher<Integer> p = basicPublisher(); |
974 |
+ |
try { |
975 |
+ |
CompletableFuture<Void> f = p.consume(null); |
976 |
+ |
shouldThrow(); |
977 |
+ |
} catch(NullPointerException success) { |
978 |
+ |
} |
979 |
+ |
} |
980 |
+ |
|
981 |
+ |
/** |
982 |
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* consume eventually stops processing published items if cancelled |
983 |
+ |
*/ |
984 |
+ |
public void testCancelledConsume() { |
985 |
+ |
AtomicInteger count = new AtomicInteger(); |
986 |
+ |
SubmissionPublisher<Integer> p = basicPublisher(); |
987 |
+ |
CompletableFuture<Void> f = p.consume(x -> count.getAndIncrement()); |
988 |
+ |
f.cancel(true); |
989 |
+ |
int n = 1000000; // arbitrary limit |
990 |
+ |
for (int i = 1; i <= n; ++i) |
991 |
+ |
p.submit(i); |
992 |
+ |
assertTrue(count.get() < n); |
993 |
+ |
} |
994 |
+ |
|
995 |
|
} |