Java Code Examples for java.util.concurrent.SubmissionPublisher#offer()

The following examples show how to use java.util.concurrent.SubmissionPublisher#offer() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: SubmissionPublisherTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * offer returns number of lagged items if not saturated
 */
public void testLaggedOffer() {
    SubmissionPublisher<Integer> p = basicPublisher();
    TestSubscriber s1 = new TestSubscriber();
    s1.request = false;
    TestSubscriber s2 = new TestSubscriber();
    s2.request = false;
    p.subscribe(s1);
    p.subscribe(s2);
    s2.awaitSubscribe();
    s1.awaitSubscribe();
    assertTrue(p.offer(1, null) >= 1);
    assertTrue(p.offer(2, null) >= 2);
    s1.sn.request(4);
    assertTrue(p.offer(3, null) >= 3);
    s2.sn.request(4);
    p.offer(4, null);
    p.close();
    s2.awaitComplete();
    assertEquals(4, s2.nexts);
    s1.awaitComplete();
    assertEquals(4, s2.nexts);
}
Example 2
Source File: SubmissionPublisherTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * offer reports drops if saturated
 */
public void testDroppedOffer() {
    SubmissionPublisher<Integer> p
        = new SubmissionPublisher<>(basicExecutor, 4);
    TestSubscriber s1 = new TestSubscriber();
    s1.request = false;
    TestSubscriber s2 = new TestSubscriber();
    s2.request = false;
    p.subscribe(s1);
    p.subscribe(s2);
    s2.awaitSubscribe();
    s1.awaitSubscribe();
    for (int i = 1; i <= 4; ++i)
        assertTrue(p.offer(i, null) >= 0);
    p.offer(5, null);
    assertTrue(p.offer(6, null) < 0);
    s1.sn.request(64);
    assertTrue(p.offer(7, null) < 0);
    s2.sn.request(64);
    p.close();
    s2.awaitComplete();
    assertTrue(s2.nexts >= 4);
    s1.awaitComplete();
    assertTrue(s1.nexts >= 4);
}
Example 3
Source File: SubmissionPublisherTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * offer invokes drop handler if saturated
 */
public void testHandledDroppedOffer() {
    AtomicInteger calls = new AtomicInteger();
    SubmissionPublisher<Integer> p
        = new SubmissionPublisher<>(basicExecutor, 4);
    TestSubscriber s1 = new TestSubscriber();
    s1.request = false;
    TestSubscriber s2 = new TestSubscriber();
    s2.request = false;
    p.subscribe(s1);
    p.subscribe(s2);
    s2.awaitSubscribe();
    s1.awaitSubscribe();
    for (int i = 1; i <= 4; ++i)
        assertTrue(p.offer(i, (s, x) -> noopHandle(calls)) >= 0);
    p.offer(4, (s, x) -> noopHandle(calls));
    assertTrue(p.offer(6, (s, x) -> noopHandle(calls)) < 0);
    s1.sn.request(64);
    assertTrue(p.offer(7, (s, x) -> noopHandle(calls)) < 0);
    s2.sn.request(64);
    p.close();
    s2.awaitComplete();
    s1.awaitComplete();
    assertTrue(calls.get() >= 4);
}
Example 4
Source File: SubmissionPublisherTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * offer succeeds if drop handler forces request
 */
public void testRecoveredHandledDroppedOffer() {
    AtomicInteger calls = new AtomicInteger();
    SubmissionPublisher<Integer> p
        = new SubmissionPublisher<>(basicExecutor, 4);
    TestSubscriber s1 = new TestSubscriber();
    s1.request = false;
    TestSubscriber s2 = new TestSubscriber();
    s2.request = false;
    p.subscribe(s1);
    p.subscribe(s2);
    s2.awaitSubscribe();
    s1.awaitSubscribe();
    int n = 0;
    for (int i = 1; i <= 8; ++i) {
        int d = p.offer(i, (s, x) -> reqHandle(calls, s));
        n = n + 2 + (d < 0 ? d : 0);
    }
    p.close();
    s2.awaitComplete();
    s1.awaitComplete();
    assertEquals(n, s1.nexts + s2.nexts);
    assertTrue(calls.get() >= 2);
}
Example 5
Source File: SubmissionPublisherTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Timed offer returns number of lagged items if not saturated
 */
public void testLaggedTimedOffer() {
    SubmissionPublisher<Integer> p = basicPublisher();
    TestSubscriber s1 = new TestSubscriber();
    s1.request = false;
    TestSubscriber s2 = new TestSubscriber();
    s2.request = false;
    p.subscribe(s1);
    p.subscribe(s2);
    s2.awaitSubscribe();
    s1.awaitSubscribe();
    long startTime = System.nanoTime();
    assertTrue(p.offer(1, LONG_DELAY_MS, MILLISECONDS, null) >= 1);
    assertTrue(p.offer(2, LONG_DELAY_MS, MILLISECONDS, null) >= 2);
    s1.sn.request(4);
    assertTrue(p.offer(3, LONG_DELAY_MS, MILLISECONDS, null) >= 3);
    s2.sn.request(4);
    p.offer(4, LONG_DELAY_MS, MILLISECONDS, null);
    p.close();
    s2.awaitComplete();
    assertEquals(4, s2.nexts);
    s1.awaitComplete();
    assertEquals(4, s2.nexts);
    assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
}
Example 6
Source File: SubmissionPublisherTest.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * offer(null) throws NPE
 */
public void testNullOffer() {
    SubmissionPublisher<Integer> p = basicPublisher();
    try {
        p.offer(null, null);
        shouldThrow();
    } catch (NullPointerException success) {}
}
Example 7
Source File: SubmissionPublisherTest.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Timed offer succeeds if drop handler forces request
 */
public void testRecoveredHandledDroppedTimedOffer() {
    AtomicInteger calls = new AtomicInteger();
    SubmissionPublisher<Integer> p
        = new SubmissionPublisher<>(basicExecutor, 4);
    TestSubscriber s1 = new TestSubscriber();
    s1.request = false;
    TestSubscriber s2 = new TestSubscriber();
    s2.request = false;
    p.subscribe(s1);
    p.subscribe(s2);
    s2.awaitSubscribe();
    s1.awaitSubscribe();
    int n = 0;
    long delay = timeoutMillis();
    long startTime = System.nanoTime();
    for (int i = 1; i <= 6; ++i) {
        int d = p.offer(i, delay, MILLISECONDS, (s, x) -> reqHandle(calls, s));
        n = n + 2 + (d < 0 ? d : 0);
    }
    assertTrue(millisElapsedSince(startTime) >= delay);
    p.close();
    s2.awaitComplete();
    s1.awaitComplete();
    assertEquals(n, s1.nexts + s2.nexts);
    assertTrue(calls.get() >= 2);
}