com.github.kagkarlsson.examples.RecurringTaskMain Maven / Gradle / Ivy
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/*
* Copyright (C) Gustav Karlsson
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
*
http://www.apache.org/licenses/LICENSE-2.0
*
*
Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.github.kagkarlsson.examples;
import com.github.kagkarlsson.examples.helpers.Example;
import com.github.kagkarlsson.scheduler.Scheduler;
import com.github.kagkarlsson.scheduler.task.helper.RecurringTask;
import com.github.kagkarlsson.scheduler.task.helper.Tasks;
import com.github.kagkarlsson.scheduler.task.schedule.FixedDelay;
import java.time.Duration;
import javax.sql.DataSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RecurringTaskMain extends Example {
private static final Logger LOG = LoggerFactory.getLogger(RecurringTaskMain.class);
public static void main(String[] args) {
new RecurringTaskMain().runWithDatasource();
}
@Override
public void run(DataSource dataSource) {
RecurringTask myTask =
Tasks.recurring("my-task", FixedDelay.ofSeconds(5))
.execute(
(inst, ctx) -> {
LOG.info("Executed!");
});
final Scheduler scheduler =
Scheduler.create(dataSource)
.startTasks(myTask)
.pollingInterval(Duration.ofSeconds(1))
.registerShutdownHook()
.build();
// myTask is automatically scheduled on startup if not already started (i.e. exists in the db)
scheduler.start();
}
}