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/**
* Copyright 2017-2021 Fred Feng ([email protected])

* 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 indi.atlantis.framework.chaconne.cluster;

import java.util.Date;

import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;

import indi.atlantis.framework.chaconne.DependencyType;
import indi.atlantis.framework.chaconne.Job;
import indi.atlantis.framework.chaconne.JobException;
import indi.atlantis.framework.chaconne.JobExecutor;
import indi.atlantis.framework.chaconne.JobKey;
import indi.atlantis.framework.chaconne.JobLoggerFactory;
import indi.atlantis.framework.chaconne.JobManager;
import indi.atlantis.framework.chaconne.JobListenerContainer;
import indi.atlantis.framework.chaconne.JobTemplate;
import indi.atlantis.framework.chaconne.LogManager;
import indi.atlantis.framework.chaconne.RetryPolicy;
import indi.atlantis.framework.chaconne.RunningState;
import indi.atlantis.framework.chaconne.SerialDependencyScheduler;
import indi.atlantis.framework.chaconne.StopWatch;
import indi.atlantis.framework.chaconne.TraceIdGenerator;
import indi.atlantis.framework.chaconne.utils.JavaMailService;

/**
 * 
 * ConsumerModeJobExecutor
 * 
 * @author Fred Feng
 *
 * @since 2.0.1
 */
public class ConsumerModeJobExecutor extends JobTemplate implements JobExecutor {

	@Autowired
	private SerialDependencyScheduler serialDependencyScheduler;

	@Autowired
	private StopWatch stopWatch;

	@Autowired
	private JobManager jobManager;

	@Autowired
	private LogManager logManager;

	@Autowired
	private RetryPolicy retryPolicy;

	@Autowired
	private TraceIdGenerator idGenerator;

	@Autowired
	private JobListenerContainer jobListenerContainer;

	@Autowired(required = false)
	private JavaMailService mailService;

	@Override
	protected long getTraceId(JobKey jobKey) {
		long traceId = idGenerator.generateTraceId(jobKey);
		setCustomizedLog(JobLoggerFactory.getLogger(log, traceId, jobKey, logManager));
		return traceId;
	}

	@Override
	public void execute(Job job, Object attachment, int retries) {
		runJob(job, attachment, retries);
	}

	@Override
	protected boolean isScheduling(JobKey jobKey, Job job) {
		return true;
	}

	@Override
	protected void notifyDependants(JobKey jobKey, Job job, Object result) {
		try {
			if (jobManager.hasRelations(jobKey, DependencyType.SERIAL)) {
				serialDependencyScheduler.notifyDependants(jobKey, result);
			}
		} catch (Exception e) {
			throw new JobException(e.getMessage(), e);
		}
	}

	@Override
	protected Object retry(JobKey jobKey, Job job, Object attachment, Throwable reason, int retries, Logger log) throws Throwable {
		return retryPolicy.retryIfNecessary(jobKey, job, attachment, reason, retries, log);
	}

	@Override
	protected void afterRun(long traceId, JobKey jobKey, Job job, Object attachment, Date startDate, RunningState runningState,
			Object result, Throwable reason, int retries) {
		super.afterRun(traceId, jobKey, job, attachment, startDate, runningState, result, reason, retries);
		stopWatch.onJobEnd(traceId, jobKey, startDate, runningState, retries);
		jobListenerContainer.afterRun(traceId, jobKey, job, attachment, startDate, runningState, result, reason, retries);
	}

	@Override
	protected void sendMail(String mailAddress, long traceId, JobKey jobKey, Object attachment, Date startDate, RunningState runningState,
			Throwable reason) {
		if (mailService != null) {
			mailService.sendMail(mailAddress, traceId, jobKey, attachment, startDate, runningState, reason);
		}
	}
}