uk.ac.kcl.listeners.JobCompleteNotificationListener.java Source code

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Here is the source code for uk.ac.kcl.listeners.JobCompleteNotificationListener.java

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/* 
 * Copyright 2016 King's College London, Richard Jackson <richgjackson@gmail.com>.
 *
 * 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 uk.ac.kcl.listeners;

import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.batch.core.BatchStatus;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobExecutionListener;
import org.springframework.batch.core.repository.JobRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import uk.ac.kcl.partitioners.CogstackJobPartitioner;
import uk.ac.kcl.service.ESRestService;

@Component
//@Scope("prototype")
public class JobCompleteNotificationListener implements JobExecutionListener {

    private static final Logger log = LoggerFactory.getLogger(JobCompleteNotificationListener.class);
    private long timeOfNextJob;

    public void setLastDateInthisJob(long l) {
        this.timeOfNextJob = l;
    }

    @Autowired
    CogstackJobPartitioner columnRangePartitioner;

    @Autowired(required = false)
    @Qualifier("esRestService")
    private ESRestService esRestService;

    @Override
    public void beforeJob(JobExecution jobExecution) {
        columnRangePartitioner.setJobExecution(jobExecution);
    }

    @Autowired
    JobRepository jobRepository;

    @Override
    public synchronized void afterJob(JobExecution jobExecution) {
        if (jobExecution.getStatus() == BatchStatus.COMPLETED) {
            if (columnRangePartitioner.isFirstRun()) {
                columnRangePartitioner.setFirstRun(false);
            }
            log.info("!!! JOB FINISHED! promoting last good record date to JobExecutionContext");
            jobExecution.getExecutionContext().put("last_successful_timestamp_from_this_job", timeOfNextJob);
            jobRepository.updateExecutionContext(jobExecution);
        }

        if (esRestService != null) {
            // Workaround to close ElasticSearch REST properly (the job was stuck before this change)
            try {
                esRestService.destroy();
            } catch (IOException e) {
                log.warn("IOException when destroying ElasticSearch REST service");
            }
        }
    }

}