indi.atlantis.framework.chaconne.FailoverRetryPolicy Maven / Gradle / Ivy

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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;

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

import indi.atlantis.framework.chaconne.model.JobParameter;
import indi.atlantis.framework.tridenter.Constants;
import indi.atlantis.framework.tridenter.multicast.ApplicationMulticastGroup;

/**
 * 
 * FailoverRetryPolicy
 * 
 * @author Fred Feng
 *
 * @since 2.0.1
 */
public class FailoverRetryPolicy implements RetryPolicy {

	@Autowired
	private ApplicationMulticastGroup applicationMulticastGroup;

	@Autowired
	private JobManager jobManager;

	@Value("${spring.application.cluster.name}")
	private String clusterName;

	@Override
	public Object retryIfNecessary(JobKey jobKey, Job job, Object attachment, Throwable reason, int retries, Logger log) throws Throwable {
		if (applicationMulticastGroup.countOfCandidate(jobKey.getGroupName()) > 0) {
			final String topic = Constants.APPLICATION_CLUSTER_NAMESPACE + clusterName + ":scheduler:loadbalance";
			applicationMulticastGroup.unicast(jobKey.getGroupName(), topic, new JobParameter(jobKey, attachment, retries));
		} else {
			try {
				jobManager.setJobState(jobKey, JobState.SCHEDULING);
			} catch (Exception e) {
				throw ExceptionUtils.wrapExeception(e);
			}
		}
		throw reason;
	}

}