org.apache.camel.component.quartz.CamelJob Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.component.quartz;
import java.io.Serializable;
import org.apache.camel.CamelContext;
import org.apache.camel.DelegateEndpoint;
import org.apache.camel.Endpoint;
import org.apache.camel.Route;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.SchedulerContext;
import org.quartz.SchedulerException;
import org.quartz.Trigger;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @version
*/
public class CamelJob implements Job, Serializable {
private static final Logger LOG = LoggerFactory.getLogger(CamelJob.class);
private static final long serialVersionUID = 27L;
public void execute(JobExecutionContext context) throws JobExecutionException {
String camelContextName = (String) context.getJobDetail().getJobDataMap().get(QuartzConstants.QUARTZ_CAMEL_CONTEXT_NAME);
String endpointUri = (String) context.getJobDetail().getJobDataMap().get(QuartzConstants.QUARTZ_ENDPOINT_URI);
SchedulerContext schedulerContext;
try {
schedulerContext = context.getScheduler().getContext();
} catch (SchedulerException e) {
throw new JobExecutionException("Failed to obtain scheduler context for job " + context.getJobDetail().getName());
}
CamelContext camelContext = (CamelContext) schedulerContext.get(QuartzConstants.QUARTZ_CAMEL_CONTEXT + "-" + camelContextName);
if (camelContext == null) {
throw new JobExecutionException("No CamelContext could be found with name: " + camelContextName);
}
Trigger trigger = context.getTrigger();
QuartzEndpoint endpoint = lookupQuartzEndpoint(camelContext, endpointUri, trigger);
if (endpoint == null) {
throw new JobExecutionException("No QuartzEndpoint could be found with endpointUri: " + endpointUri);
}
endpoint.onJobExecute(context);
}
private QuartzEndpoint lookupQuartzEndpoint(CamelContext camelContext, String endpointUri, Trigger trigger) throws JobExecutionException {
String targetTriggerName = trigger.getName();
String targetTriggerGroup = trigger.getGroup();
LOG.debug("Looking up existing QuartzEndpoint with trigger {}.{}", targetTriggerName, targetTriggerGroup);
try {
// check all active routes for the quartz endpoint this task matches
// as we prefer to use the existing endpoint from the routes
for (Route route : camelContext.getRoutes()) {
Endpoint endpoint = route.getEndpoint();
if (endpoint instanceof DelegateEndpoint) {
endpoint = ((DelegateEndpoint)endpoint).getEndpoint();
}
if (endpoint instanceof QuartzEndpoint) {
QuartzEndpoint quartzEndpoint = (QuartzEndpoint) endpoint;
String triggerName = quartzEndpoint.getTrigger().getName();
String triggerGroup = quartzEndpoint.getTrigger().getGroup();
LOG.trace("Checking route trigger {}.{}", triggerName, triggerGroup);
if (triggerName.equals(targetTriggerName) && triggerGroup.equals(targetTriggerGroup)) {
return (QuartzEndpoint) endpoint;
}
}
}
} catch (Exception e) {
throw new JobExecutionException("Error lookup up existing QuartzEndpoint with trigger: " + trigger, e);
}
// fallback and lookup existing from registry (eg maybe a @Consume POJO with a quartz endpoint, and thus not from a route)
if (camelContext.hasEndpoint(endpointUri) != null) {
return camelContext.getEndpoint(endpointUri, QuartzEndpoint.class);
} else {
LOG.warn("Cannot find existing QuartzEndpoint with uri: {}. Creating new endpoint instance.", endpointUri);
return camelContext.getEndpoint(endpointUri, QuartzEndpoint.class);
}
}
}