/**
* Sends a JMS message over the statusUpdateChannel indicating the status of a crawled resource.
*
* @param jobID - the unique job name from the original submission message.
* @param uri - the URI that was crawled.
* @param status - status code.
*/
public void sendStatusUpdate(String jobID, String uri, int status) {
try {
JMSSender qsender = msgService.getJMSSender(statusUpdateChannel);
UrlCrawledMsg msg = new UrlCrawledMsg(qsender, jobID, uri, status);
msg.send();
} catch (JMSException e) {
e.printStackTrace();
}
} // - sendStatusUpdate
/**
* Sends a JMS message over the statusUpdateChannel indicating that the specified job has
* completed.
*
* @param jobID
* @param url
*/
public void sendJobComplete(String jobID, String url) {
try {
JMSSender qsender = msgService.getJMSSender(statusUpdateChannel);
SubmissionJobCompleteMsg msg = new SubmissionJobCompleteMsg(qsender, jobID, url, 0);
msg.send();
} catch (JMSException e) {
e.printStackTrace();
}
} // - sendJobComplete
/**
* Sends a JMS message over the ingestionChannel indicating that new resources are ready to
* ingest.
*
* @param jobID - the unique job name from the original submission message.
* @param filePath - relative path from repository root where the file can be found.
* @param metaPath - relative path from the repository root where the metadata file can be found.
* @param type - resource type (from CSXConstants).
*/
public void notifyIngestion(String jobID, String filePath, String metaPath, String type) {
try {
JMSSender qsender = msgService.getJMSSender(ingestionChannel);
NewRecordToIngestMsg msg =
new NewRecordToIngestMsg(qsender, jobID, repositoryID, filePath, metaPath, type);
msg.send();
} catch (JMSException e) {
e.printStackTrace();
}
} // - notifyIngestion
/**
* Sends a JMS message over the statusUpdateChannel indicating that the specified job has started.
*
* @param jobID
* @param url
*/
public void sendJobStarted(String jobID, String url) {
try {
System.err.println("SENDING JOB STARTED!!!");
JMSSender qsender = msgService.getJMSSender(statusUpdateChannel);
SubmissionStartedMsg msg = new SubmissionStartedMsg(qsender, jobID, url, 0);
msg.send();
} catch (JMSException e) {
e.printStackTrace();
}
} // - sendJobStarted
/**
* Sets up the JMS service and starts a thread to poll for a Heritrix instance.
*
* @param pLabel - just a junk parameter to allow for both public and private constructors for a
* singleton instance.
*/
private JMSInterface(String pLabel) {
try {
ConfigurationManager cm = new ConfigurationManager();
newSubmissionsChannel = cm.getString("newSubmissionsChannel", accessKey);
statusUpdateChannel = cm.getString("statusUpdateChannel", accessKey);
ingestionChannel = cm.getString("ingestionChannel", accessKey);
repositoryID = cm.getString("repositoryID", accessKey);
submissionProfile = cm.getString("submissionProfile", accessKey);
msgService = new MsgService();
msgService.setMessageListener(newSubmissionsChannel, this);
RegistrationThread rThread = new RegistrationThread();
rThread.start();
} catch (Exception e) {
e.printStackTrace();
}
} // - private JMSInterface
/** Servlet method for gracefully shutting down the JMS MsgService. */
public void destroy() {
if (msgService != null) {
msgService.close();
}
}