Java Code Examples for org.springframework.util.backoff.FixedBackOff#setInterval()

The following examples show how to use org.springframework.util.backoff.FixedBackOff#setInterval() . 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: FixedBackOffTests.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Test
public void liveUpdate() {
	FixedBackOff backOff = new FixedBackOff(100L, 1);
	BackOffExecution execution = backOff.start();
	assertEquals(100L, execution.nextBackOff());

	backOff.setInterval(200L);
	backOff.setMaxAttempts(2);

	assertEquals(200L, execution.nextBackOff());
	assertEquals(BackOffExecution.STOP, execution.nextBackOff());
}
Example 2
Source File: FixedBackOffTests.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Test
public void liveUpdate() {
	FixedBackOff backOff = new FixedBackOff(100L, 1);
	BackOffExecution execution = backOff.start();
	assertEquals(100L, execution.nextBackOff());

	backOff.setInterval(200L);
	backOff.setMaxAttempts(2);

	assertEquals(200L, execution.nextBackOff());
	assertEquals(BackOffExecution.STOP, execution.nextBackOff());
}
Example 3
Source File: FixedBackOffTests.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@Test
public void liveUpdate() {
	FixedBackOff backOff = new FixedBackOff(100L, 1);
	BackOffExecution execution = backOff.start();
	assertEquals(100l, execution.nextBackOff());

	backOff.setInterval(200l);
	backOff.setMaxAttempts(2);

	assertEquals(200l, execution.nextBackOff());
	assertEquals(BackOffExecution.STOP, execution.nextBackOff());
}
Example 4
Source File: UserRolesSyncer.java    From fiat with Apache License 2.0 4 votes vote down vote up 
public long syncAndReturn(List<String> roles) {
  FixedBackOff backoff = new FixedBackOff();
  backoff.setInterval(retryIntervalMs);
  backoff.setMaxAttempts(Math.floorDiv(syncDelayTimeoutMs, retryIntervalMs) + 1);
  BackOffExecution backOffExec = backoff.start();

  // after this point the execution will get rescheduled
  final long timeout = System.currentTimeMillis() + syncDelayTimeoutMs;

  if (!isServerHealthy()) {
    log.warn(
        "Server is currently UNHEALTHY. User permission role synchronization and "
            + "resolution may not complete until this server becomes healthy again.");
  }

  // Ensure we're going to reload app and service account definitions
  permissionsResolver.clearCache();

  while (true) {
    try {
      Map<String, UserPermission> combo = new HashMap<>();
      // force a refresh of the unrestricted user in case the backing repository is empty:
      combo.put(UnrestrictedResourceConfig.UNRESTRICTED_USERNAME, new UserPermission());
      Map<String, UserPermission> temp;
      if (!(temp = getUserPermissions(roles)).isEmpty()) {
        combo.putAll(temp);
      }
      if (!(temp = getServiceAccountsAsMap(roles)).isEmpty()) {
        combo.putAll(temp);
      }

      return updateUserPermissions(combo);
    } catch (ProviderException | PermissionResolutionException ex) {
      registry
          .counter(metricName("syncFailure"), "cause", ex.getClass().getSimpleName())
          .increment();
      Status status = healthIndicator.health().getStatus();
      long waitTime = backOffExec.nextBackOff();
      if (waitTime == BackOffExecution.STOP || System.currentTimeMillis() > timeout) {
        String cause = (waitTime == BackOffExecution.STOP) ? "backoff-exhausted" : "timeout";
        registry.counter("syncAborted", "cause", cause).increment();
        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();
    }
  }
}