Example usage for org.springframework.util.backoff FixedBackOff FixedBackOff

Introduction

In this page you can find the example usage for org.springframework.util.backoff FixedBackOff FixedBackOff.

Prototype

public FixedBackOff(long interval, long maxAttempts) 

Source Link

Document

Create an instance.

Usage

From source file:org.springframework.amqp.rabbit.config.AbstractRabbitListenerContainerFactory.java

/**
 * @param recoveryInterval The recovery interval.
 * @see SimpleMessageListenerContainer#setRecoveryInterval
 *///www.j  av a  2s  . c o m
public void setRecoveryInterval(Long recoveryInterval) {
    this.recoveryBackOff = new FixedBackOff(recoveryInterval, FixedBackOff.UNLIMITED_ATTEMPTS);
}

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From source file:org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.java

/**
 * Specify the interval between recovery attempts, in <b>milliseconds</b>.
 * The default is 5000 ms, that is, 5 seconds.
 * @param recoveryInterval The recovery interval.
 *///  w  w  w. j  a v  a  2s.c om
public void setRecoveryInterval(long recoveryInterval) {
    this.recoveryBackOff = new FixedBackOff(recoveryInterval, FixedBackOff.UNLIMITED_ATTEMPTS);
}

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From source file:org.springframework.amqp.rabbit.listener.DirectMessageListenerContainerIntegrationTests.java

@Test
public void testContainerNotRecoveredAfterExhaustingRecoveryBackOff() throws Exception {
    ConnectionFactory mockCF = mock(ConnectionFactory.class);
    given(mockCF.createConnection()).willThrow(new RuntimeException("intended - backOff test"));
    DirectMessageListenerContainer container = new DirectMessageListenerContainer(mockCF);
    container.setQueueNames("foo");
    container.setRecoveryBackOff(new FixedBackOff(100, 3));
    container.setMissingQueuesFatal(false);
    container.setBeanName("backOff");
    container.setConsumerTagStrategy(new Tag());
    container.afterPropertiesSet();/*from   ww  w .j  a v  a  2  s .  co m*/
    container.start();

    // Since backOff exhausting makes listenerContainer as invalid (calls stop()),
    // it is enough to check the listenerContainer activity
    int n = 0;
    while (container.isActive() && n++ < 100) {
        Thread.sleep(100);
    }
    assertFalse(container.isActive());
}

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From source file:org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainerTests.java

@Test
public void testContainerNotRecoveredAfterExhaustingRecoveryBackOff() throws Exception {
    SimpleMessageListenerContainer container = spy(
            new SimpleMessageListenerContainer(mock(ConnectionFactory.class)));
    container.setQueueNames("foo");
    container.setRecoveryBackOff(new FixedBackOff(100, 3));
    container.setConcurrentConsumers(3);
    doAnswer(invocation -> {//  w  w w.  j  a v  a 2 s.  c om
        BlockingQueueConsumer consumer = spy((BlockingQueueConsumer) invocation.callRealMethod());
        doThrow(RuntimeException.class).when(consumer).start();
        return consumer;
    }).when(container).createBlockingQueueConsumer();
    container.afterPropertiesSet();
    container.start();

    // Since backOff exhausting makes listenerContainer as invalid (calls stop()),
    // it is enough to check the listenerContainer activity
    int n = 0;
    while (container.isActive() && n++ < 100) {
        Thread.sleep(100);
    }
    assertThat(n, lessThanOrEqualTo(100));
}

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