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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2023 Deutsche Telekom Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.services.prh.tasks.commit;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ScheduledFuture;
import javax.annotation.PreDestroy;
import org.onap.dcaegen2.services.prh.configuration.PrhProperties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.Marker;
import org.slf4j.MarkerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.event.ApplicationStartedEvent;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.context.event.EventListener;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.annotation.EnableScheduling;
/**
* @author <a href="mailto:pravin.kokane@t-systems.com">Pravin Kokane</a> on 3/13/23
*/
@Profile("autoCommitDisabled")
@Configuration
@EnableScheduling
public class ScheduledTasksRunnerWithCommit {
private static final Logger LOGGER = LoggerFactory.getLogger(ScheduledTasksRunnerWithCommit.class);
private static final Marker ENTRY = MarkerFactory.getMarker("ENTRY");
private static List<ScheduledFuture> scheduledPrhTaskFutureList = new ArrayList<>();
private final TaskScheduler taskScheduler;
private final PrhProperties prhProperties;
@Autowired
private ScheduledTasksWithCommit scheduledTasksWithCommit;
public ScheduledTasksRunnerWithCommit(TaskScheduler taskScheduler, ScheduledTasksWithCommit scheduledTasksWithCommit,
PrhProperties prhProperties) {
this.taskScheduler = taskScheduler;
this.scheduledTasksWithCommit = scheduledTasksWithCommit;
this.prhProperties = prhProperties;
}
@EventListener
public void onApplicationStartedEvent(ApplicationStartedEvent applicationStartedEvent) {
tryToStartTaskWithCommit();
}
/**
* Function which have to stop tasks execution.
*/
@PreDestroy
public synchronized void cancelTasks() {
scheduledPrhTaskFutureList.forEach(x -> x.cancel(false));
scheduledPrhTaskFutureList.clear();
}
/**
* Function for starting scheduling PRH workflow.
*
* @return status of operation execution: true - started, false - not started
*/
public synchronized boolean tryToStartTaskWithCommit() {
LOGGER.info(ENTRY, "Start scheduling PRH workflow with Commit Tasks Runner");
if (scheduledPrhTaskFutureList.isEmpty()) {
Collections.synchronizedList(scheduledPrhTaskFutureList);
scheduledPrhTaskFutureList.add(taskScheduler
.scheduleWithFixedDelay(scheduledTasksWithCommit::scheduleKafkaPrhEventTask,
prhProperties.getWorkflowSchedulingInterval()));
return true;
} else {
return false;
}
}
}
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