package org.cishell.reference.gui.scheduler;
import java.util.Calendar;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.Vector;
import org.cishell.app.service.scheduler.SchedulerListener;
import org.cishell.app.service.scheduler.SchedulerService;
import org.cishell.framework.algorithm.Algorithm;
import org.cishell.framework.data.Data;
/**
* Listens for notification from the scheduler and notifies all registered objects
*/
public class SchedulerContentModel implements SchedulerListener {
private static final SchedulerContentModel INSTANCE = new SchedulerContentModel();
private SchedulerService schedulerService;
private List schedulerListenerList;
private Map classNameToPersistentMap;
private boolean isRunning;
private SchedulerContentModel(){
schedulerService = Activator.getSchedulerService();
if (schedulerService != null) {
schedulerService.addSchedulerListener(this);
}
schedulerListenerList = new Vector();
classNameToPersistentMap = new Hashtable();
}
public static SchedulerContentModel getInstance(){
return INSTANCE;
}
public void register(SchedulerListener listener) {
schedulerListenerList.add(listener);
}
public void deregister(SchedulerListener listener) {
schedulerListenerList.remove(listener);
}
public void persistObject(String className, Object o) {
classNameToPersistentMap.put(className, o);
}
public Object getPersistedObject(String className) {
return classNameToPersistentMap.get(className);
}
public boolean isRunning() {
return schedulerService.isRunning();
}
public void algorithmError(Algorithm algorithm, Throwable error) {
for (int i = 0; i < schedulerListenerList.size(); ++i) {
SchedulerListener schedulerListener = (SchedulerListener)schedulerListenerList.get(i);
schedulerListener.algorithmError(algorithm, error);
}
}
public void algorithmFinished(Algorithm algorithm, Data[] createdData) {
for (int i = 0; i < schedulerListenerList.size(); ++i) {
SchedulerListener schedulerListener = (SchedulerListener)schedulerListenerList.get(i);
schedulerListener.algorithmFinished(algorithm, createdData);
}
}
public void algorithmRescheduled(Algorithm algorithm, Calendar time) {
for (int i = 0; i < schedulerListenerList.size(); ++i) {
SchedulerListener schedulerListener = (SchedulerListener)schedulerListenerList.get(i);
schedulerListener.algorithmRescheduled(algorithm, time);
}
}
public void algorithmScheduled(Algorithm algorithm, Calendar time) {
for (int i = 0; i < schedulerListenerList.size(); ++i) {
SchedulerListener schedulerListener = (SchedulerListener)schedulerListenerList.get(i);
schedulerListener.algorithmScheduled(algorithm, time);
}
}
public void algorithmStarted(Algorithm algorithm) {
for (int i = 0; i < schedulerListenerList.size(); ++i) {
SchedulerListener schedulerListener = (SchedulerListener)schedulerListenerList.get(i);
schedulerListener.algorithmStarted(algorithm);
}
}
public void algorithmUnscheduled(Algorithm algorithm) {
for (int i = 0; i < schedulerListenerList.size(); ++i) {
SchedulerListener schedulerListener = (SchedulerListener)schedulerListenerList.get(i);
schedulerListener.algorithmUnscheduled(algorithm);
}
}
public void schedulerCleared() {
for (int i = 0; i < schedulerListenerList.size(); ++i) {
SchedulerListener schedulerListener = (SchedulerListener)schedulerListenerList.get(i);
schedulerListener.schedulerCleared();
}
}
public void schedulerRunStateChanged(boolean isRunning) {
if (this.isRunning != isRunning) {
this.isRunning = isRunning;
schedulerService.setRunning(isRunning);
}
else {
for (int i = 0; i < schedulerListenerList.size(); ++i) {
SchedulerListener schedulerListener = (SchedulerListener)schedulerListenerList.get(i);
schedulerListener.schedulerRunStateChanged(this.isRunning);
}
}
}
}