package org.quartz.listeners;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import org.quartz.JobDetail;
import org.quartz.SchedulerException;
import org.quartz.SchedulerListener;
import org.quartz.Trigger;
/**
* Holds a List of references to SchedulerListener instances and broadcasts all
* events to them (in order).
*
* <p>This may be more convenient than registering all of the listeners
* directly with the Scheduler, and provides the flexibility of easily changing
* which listeners get notified.</p>
*
* @see #addListener(org.quartz.SchedulerListener)
* @see #removeListener(org.quartz.SchedulerListener)
*
* @author James House (jhouse AT revolition DOT net)
*/
public class BroadcastSchedulerListener implements SchedulerListener {
private List listeners;
public BroadcastSchedulerListener() {
listeners = new LinkedList();
}
/**
* Construct an instance with the given List of listeners.
*
* @param listeners the initial List of SchedulerListeners to broadcast to.
*/
public BroadcastSchedulerListener(List listeners) {
this();
this.listeners.addAll(listeners);
}
public void addListener(SchedulerListener listener) {
listeners.add(listener);
}
public boolean removeListener(SchedulerListener listener) {
return listeners.remove(listener);
}
public List getListeners() {
return java.util.Collections.unmodifiableList(listeners);
}
public void jobAdded(JobDetail jobDetail) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.jobAdded(jobDetail);
}
}
public void jobDeleted(String jobName, String groupName) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.jobDeleted(jobName, groupName);
}
}
public void jobScheduled(Trigger trigger) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.jobScheduled(trigger);
}
}
public void jobUnscheduled(String triggerName, String triggerGroup) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.jobUnscheduled(triggerName, triggerGroup);
}
}
public void triggerFinalized(Trigger trigger) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.triggerFinalized(trigger);
}
}
public void triggersPaused(String triggerName, String triggerGroup) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.triggersPaused(triggerName, triggerGroup);
}
}
public void triggersResumed(String triggerName, String triggerGroup) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.triggersResumed(triggerName, triggerGroup);
}
}
public void jobsPaused(String jobName, String jobGroup) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.jobsPaused(jobName, jobGroup);
}
}
public void jobsResumed(String jobName, String jobGroup) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.jobsResumed(jobName, jobGroup);
}
}
public void schedulerError(String msg, SchedulerException cause) {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.schedulerError(msg, cause);
}
}
public void schedulerStarted() {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.schedulerStarted();
}
}
public void schedulerInStandbyMode() {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.schedulerInStandbyMode();
}
}
public void schedulerShutdown() {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.schedulerShutdown();
}
}
public void schedulerShuttingdown() {
Iterator itr = listeners.iterator();
while(itr.hasNext()) {
SchedulerListener l = (SchedulerListener) itr.next();
l.schedulerShuttingdown();
}
}
}