com.sun.enterprise.registration.impl.RegistrationDaemon Maven / Gradle / Ivy
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package com.sun.enterprise.registration.impl;
import com.sun.enterprise.registration.RegistrationService;
import com.sun.enterprise.registration.RegistrationException;
import java.io.File;
import java.util.Timer;
import java.util.TimerTask;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Entry point to start Registration Daemon thread.
* @author Mitesh Meswani
*
*/
public class RegistrationDaemon {
// The interval for timer in miliseconds defaults to 1HR 1 Hr * 60 mins * 60 sec * 1000 ms
private static final long TIMER_INTERVAL = Long.getLong("com.sun.enterprise.registration.TIMER_INTERVAL", 24 * 60 * 60 * 1000);
private static final Logger logger = RegistrationLogger.getLogger();
public static void start(File serviceTagRegistry) {
final SysnetRegistrationService registrationService = new SysnetRegistrationService(serviceTagRegistry);
// Initiate the Daemon thread only if the repository file is writable.
// Let the thread start even if there are no tags actually in NOT_TRANSFERRED becaue the check would do the
// same work as an attempt to transfer the tags - which is to open the file an enumerate the tags.
if (registrationService.isRegistrationEnabled() ) {
final Timer registrationTimer = new Timer("registration", true); //Mark the timer as daemon so that it does not hold up appserver shutdown
TimerTask registrationTask = new TimerTask() {
public void run() {
try {
registrationService.transferEligibleServiceTagsToSysNet();
// Transfer was succseeful cancel the timer thread
registrationTimer.cancel();
} catch (RegistrationException e) {
//Log exception.
logger.log(Level.INFO, "Exception while transfering tags" + e);
}
}
};
registrationTimer.schedule(registrationTask, 0L, TIMER_INTERVAL);
}
}
}