SchedulerJobModifiedAdvice.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 ro.nextreports.server.aop;

import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.quartz.SchedulerException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Required;

import ro.nextreports.server.domain.SchedulerJob;
import ro.nextreports.server.schedule.QuartzJobHandler;


/**
 * @author Decebal Suiu
 */
@Aspect
public class SchedulerJobModifiedAdvice {

	private static final Logger LOG = LoggerFactory.getLogger(SchedulerJobModifiedAdvice.class);
	
	private QuartzJobHandler quartzJobHandler;

	@Pointcut("target(ro.nextreports.server.service.StorageService)")
	public void inStorageService() {
	}

	@Pointcut("execution(* modifyEntity(..))")
	public void modifyEntity() {
	}

	@Pointcut("args(job, ..)")
	public void isSchedulerJob(SchedulerJob job) {
	}

	@Pointcut("inStorageService() && modifyEntity() && isSchedulerJob(job)")
	public void schedulerJobModified(SchedulerJob job) {
	}

	@AfterReturning("schedulerJobModified(job)")
	public void onSchedulerJobModified(SchedulerJob job) {
		try {
			// TODO it's possible to change only the job name, trigger, ... ?
			LOG.info("Remove job '" + job.getPath() + "' from quartz");
			quartzJobHandler.removeJob(job.getPath());
			LOG.info("Add job '" + job.getPath() + "' to quartz");
			quartzJobHandler.addJob(job);
		} catch (SchedulerException e) {			
			LOG.error(e.getMessage(), e);
			if ((e.getMessage() != null) && e.getMessage().contains("the given trigger will never fire")) {
				// job will not fire : wrong definition
				// but we create the job (do not throw exception)
				// in UI we will see an active job but without nextRun date
			} else {				
				throw new RuntimeException(e);
			}	
		} catch (Exception e) {
			LOG.error(e.getMessage(), e);
			throw new RuntimeException(e);
		}
	}

	@Required
	public void setQuartzJobHandler(QuartzJobHandler quartzJobHandler) {
		this.quartzJobHandler = quartzJobHandler;
	}

}