Package com.codahale.metrics.jvm

Examples of com.codahale.metrics.jvm.ThreadDeadlockDetector

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import static org.mockito.Mockito.when;

public class ThreadDeadlockHealthCheckTest {
    @Test
    public void isHealthyIfNoThreadsAreDeadlocked() throws Exception {
        final ThreadDeadlockDetector detector = mock(ThreadDeadlockDetector.class);
        final ThreadDeadlockHealthCheck healthCheck = new ThreadDeadlockHealthCheck(detector);

        when(detector.getDeadlockedThreads()).thenReturn(Collections.<String>emptySet());

        assertThat(healthCheck.execute().isHealthy())
                .isTrue();
    }
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    public void isUnhealthyIfThreadsAreDeadlocked() throws Exception {
        final Set<String> threads = new TreeSet<String>();
        threads.add("one");
        threads.add("two");

        final ThreadDeadlockDetector detector = mock(ThreadDeadlockDetector.class);
        final ThreadDeadlockHealthCheck healthCheck = new ThreadDeadlockHealthCheck(detector);

        when(detector.getDeadlockedThreads()).thenReturn(threads);

        final HealthCheck.Result result = healthCheck.execute();

        assertThat(result.isHealthy())
                .isFalse();
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    /**
     * Creates a new health check.
     */
    public ThreadDeadlockHealthCheck() {
        this(new ThreadDeadlockDetector());
    }
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Related Classes of com.codahale.metrics.jvm.ThreadDeadlockDetector

  • com.codahale.metrics.health.jvm.ThreadDeadlockHealthCheck
  • com.codahale.metrics.health.jvm.ThreadDeadlockHealthCheckTest
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