Example usage for org.springframework.util.backoff BackOffExecution STOP

Introduction

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

Prototype

long STOP

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Document

Return value of #nextBackOff() that indicates that the operation should not be retried.

Usage

From source file:com.netflix.spinnaker.fiat.roles.UserRolesSyncer.java

public long syncAndReturn() {
    FixedBackOff backoff = new FixedBackOff();
    backoff.setInterval(retryIntervalMs);
    BackOffExecution backOffExec = backoff.start();

    if (!isServerHealthy()) {
        log.warn("Server is currently UNHEALTHY. User permission role synchronization and "
                + "resolution may not complete until this server becomes healthy again.");
    }/* w  w w.  j  a  v a 2s .c  o m*/

    while (true) {
        try {
            Map<String, UserPermission> combo = new HashMap<>();
            Map<String, UserPermission> temp;
            if (!(temp = getUserPermissions()).isEmpty()) {
                combo.putAll(temp);
            }
            if (!(temp = getServiceAccountsAsMap()).isEmpty()) {
                combo.putAll(temp);
            }

            return updateUserPermissions(combo);
        } catch (ProviderException | PermissionResolutionException ex) {
            Status status = healthIndicator.health().getStatus();
            long waitTime = backOffExec.nextBackOff();
            if (waitTime == BackOffExecution.STOP) {
                log.error("Unable to resolve service account permissions.", ex);
                return 0;
            }
            String message = new StringBuilder("User permission sync failed. ").append("Server status is ")
                    .append(status).append(". Trying again in ").append(waitTime).append(" ms. Cause:")
                    .append(ex.getMessage()).toString();
            if (log.isDebugEnabled()) {
                log.debug(message, ex);
            } else {
                log.warn(message);
            }

            try {
                Thread.sleep(waitTime);
            } catch (InterruptedException ignored) {
            }
        } finally {
            isServerHealthy();
        }
    }
}

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

/**
 * Wait for a period determined by the {@link #setRecoveryInterval(long) recoveryInterval}
 * or {@link #setRecoveryBackOff(BackOff)} to give the container a
 * chance to recover from consumer startup failure, e.g. if the broker is down.
 * @param backOffExecution the BackOffExecution to get the {@code recoveryInterval}
 * @throws Exception if the shared connection still can't be established
 *//*from w w  w. j  ava  2 s .co  m*/
protected void handleStartupFailure(BackOffExecution backOffExecution) throws Exception {
    long recoveryInterval = backOffExecution.nextBackOff();
    if (BackOffExecution.STOP == recoveryInterval) {
        synchronized (this) {
            if (isActive()) {
                logger.warn("stopping container - restart recovery attempts exhausted");
                stop();
            }
        }
        return;
    }
    try {
        if (logger.isDebugEnabled() && isActive()) {
            logger.debug("Recovering consumer in " + recoveryInterval + " ms.");
        }
        long timeout = System.currentTimeMillis() + recoveryInterval;
        while (isActive() && System.currentTimeMillis() < timeout) {
            Thread.sleep(200);
        }
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new IllegalStateException("Unrecoverable interruption on consumer restart");
    }
}

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