Examples with HystrixCommandKey com.netflix.hystrix.HystrixCommandKey used on opensource projects

Example 26 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class CumulativeCommandEventCounterStreamTest method testRequestFromCache.

@Test
public void testRequestFromCache() {
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("CMD-CumulativeCounter-F");
    stream = CumulativeCommandEventCounterStream.getInstance(key, 10, 500);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(5).subscribe(getSubscriber(latch));
    Command cmd1 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 20);
    Command cmd2 = Command.from(groupKey, key, HystrixEventType.RESPONSE_FROM_CACHE);
    Command cmd3 = Command.from(groupKey, key, HystrixEventType.RESPONSE_FROM_CACHE);
    cmd1.observe();
    cmd2.observe();
    cmd3.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertEquals(HystrixEventType.values().length, stream.getLatest().length);
    long[] expected = new long[HystrixEventType.values().length];
    expected[HystrixEventType.SUCCESS.ordinal()] = 1;
    expected[HystrixEventType.RESPONSE_FROM_CACHE.ordinal()] = 2;
    assertArrayEquals(expected, stream.getLatest());
}

Example 27 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class CumulativeCommandEventCounterStreamTest method testCollapsed.

@Test
public void testCollapsed() {
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("BatchCommand");
    stream = CumulativeCommandEventCounterStream.getInstance(key, 10, 500);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(5).subscribe(getSubscriber(latch));
    for (int i = 0; i < 3; i++) {
        CommandStreamTest.Collapser.from(i).observe();
    }
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    assertEquals(HystrixEventType.values().length, stream.getLatest().length);
    long[] expected = new long[HystrixEventType.values().length];
    expected[HystrixEventType.SUCCESS.ordinal()] = 1;
    expected[HystrixEventType.COLLAPSED.ordinal()] = 3;
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertArrayEquals(expected, stream.getLatest());
}

Example 28 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class CumulativeCommandEventCounterStreamTest method testSemaphoreRejected.

@Test
public void testSemaphoreRejected() {
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("CMD-CumulativeCounter-H");
    stream = CumulativeCommandEventCounterStream.getInstance(key, 10, 500);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(5).subscribe(getSubscriber(latch));
    //10 commands will saturate semaphore when called from different threads.
    //submit 2 more requests and they should be SEMAPHORE_REJECTED
    //should see 10 SUCCESSes, 2 SEMAPHORE_REJECTED and 2 FALLBACK_SUCCESSes
    List<Command> saturators = new ArrayList<Command>();
    for (int i = 0; i < 10; i++) {
        saturators.add(Command.from(groupKey, key, HystrixEventType.SUCCESS, 500, HystrixCommandProperties.ExecutionIsolationStrategy.SEMAPHORE));
    }
    Command rejected1 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 0, HystrixCommandProperties.ExecutionIsolationStrategy.SEMAPHORE);
    Command rejected2 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 0, HystrixCommandProperties.ExecutionIsolationStrategy.SEMAPHORE);
    for (final Command saturator : saturators) {
        new Thread(new HystrixContextRunnable(new Runnable() {

            @Override
            public void run() {
                saturator.observe();
            }
        })).start();
    }
    try {
        Thread.sleep(100);
    } catch (InterruptedException ie) {
        fail(ie.getMessage());
    }
    rejected1.observe();
    rejected2.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertTrue(rejected1.isResponseSemaphoreRejected());
    assertTrue(rejected2.isResponseSemaphoreRejected());
    assertEquals(HystrixEventType.values().length, stream.getLatest().length);
    long[] expected = new long[HystrixEventType.values().length];
    expected[HystrixEventType.SUCCESS.ordinal()] = 10;
    expected[HystrixEventType.SEMAPHORE_REJECTED.ordinal()] = 2;
    expected[HystrixEventType.FALLBACK_SUCCESS.ordinal()] = 2;
    assertArrayEquals(expected, stream.getLatest());
}

Example 29 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class CumulativeCommandEventCounterStreamTest method testSingleSuccess.

@Test
public void testSingleSuccess() {
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("CMD-CumulativeCounter-B");
    stream = CumulativeCommandEventCounterStream.getInstance(key, 10, 500);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(5).subscribe(getSubscriber(latch));
    Command cmd = Command.from(groupKey, key, HystrixEventType.SUCCESS, 20);
    cmd.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    assertEquals(HystrixEventType.values().length, stream.getLatest().length);
    long[] expected = new long[HystrixEventType.values().length];
    expected[HystrixEventType.SUCCESS.ordinal()] = 1;
    assertArrayEquals(expected, stream.getLatest());
}

Example 30 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class CumulativeThreadPoolEventCounterStreamTest method testThreadPoolRejected.

@Test
public void testThreadPoolRejected() {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("Cumulative-ThreadPool-I");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("Cumulative-ThreadPool-I");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("Cumulative-Counter-I");
    stream = CumulativeThreadPoolEventCounterStream.getInstance(threadPoolKey, 10, 100);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    //10 commands will saturate threadpools when called concurrently.
    //submit 2 more requests and they should be THREADPOOL_REJECTED
    //should see 10 SUCCESSes, 2 THREADPOOL_REJECTED and 2 FALLBACK_SUCCESSes
    List<CommandStreamTest.Command> saturators = new ArrayList<CommandStreamTest.Command>();
    for (int i = 0; i < 10; i++) {
        saturators.add(CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 700));
    }
    CommandStreamTest.Command rejected1 = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 0);
    CommandStreamTest.Command rejected2 = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 0);
    for (final CommandStreamTest.Command saturator : saturators) {
        saturator.observe();
    }
    try {
        Thread.sleep(100);
    } catch (InterruptedException ie) {
        fail(ie.getMessage());
    }
    rejected1.observe();
    rejected2.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertTrue(rejected1.isResponseThreadPoolRejected());
    assertTrue(rejected2.isResponseThreadPoolRejected());
    //all 12 commands got submitted to thread pool, 10 accepted, 2 rejected is expected
    assertEquals(2, stream.getLatest().length);
    assertEquals(10, stream.getLatestCount(HystrixEventType.ThreadPool.EXECUTED));
    assertEquals(2, stream.getLatestCount(HystrixEventType.ThreadPool.REJECTED));
}