Differential D11419 Diff 27435 src/infrastructure/daemon/workers/clock/PhabricatorMetronomicTriggerClock.php

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				<?php

				/**
				* Triggers an event repeatedly, delaying a fixed number of seconds between
				* triggers.
				*
				* For example, this clock can trigger an event every 30 seconds.
				*/
				final class PhabricatorMetronomicTriggerClock
				extends PhabricatorTriggerClock {

				public function validateProperties(array $properties) {
				PhutilTypeSpec::checkMap(
				$properties,
				array(
				'period' => 'int',
				));
				}

				public function getNextEventEpoch($last_epoch, $is_reschedule) {
				$period = $this->getProperty('period');

				if ($last_epoch) {
				$next = $last_epoch + $period;
				$next = max($next, $last_epoch + 1);
				} else {
				$next = PhabricatorTime::getNow() + $period;
				}

				return $next;
				}

				}