com.xlrit.gears.base.schedule.ScheduledRunnable Maven / Gradle / Ivy

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GEARS Runtime Common

There is a newer version: 1.17.6

package com.xlrit.gears.base.schedule;

import jakarta.transaction.Transactional;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static java.util.Objects.requireNonNull;

public abstract class ScheduledRunnable implements Runnable {
	public static final String EFFECTIVELY_NEVER = "0 0 0 1 1 ? 2099";

	private static final Logger LOG = LoggerFactory.getLogger(ScheduledRunnable.class);

	@Override
	@Transactional
	public void run() {
		if (!isEnabled())
			return;

		try {
			runScheduled();
		}
		catch (RuntimeException e) {
			LOG.error("An error occurred during a scheduled process", e);
		}
	}

	@SuppressWarnings("unused")
	public String getEffectiveCronExpression() {
		boolean enabled = isEnabled();
		String result = enabled ? requireNonNull(getCronExpression()) : EFFECTIVELY_NEVER;
		LOG.info("Effective cron expression for {}: {}", getClass().getSimpleName(), result);
		return result;
	}

	protected abstract boolean isEnabled();

	protected abstract String getCronExpression();

	protected abstract void runScheduled();
}