@Override
public synchronized void clear() {
allSimons.clear();
rootSimon = new UnknownSimon(ROOT_SIMON_NAME, this);
allSimons.put(ROOT_SIMON_NAME, rootSimon);
callback.onManagerClear();
}
public EnabledManager(SimonClock clock) {
this.clock = clock;
rootSimon = new UnknownSimon(ROOT_SIMON_NAME, this);
allSimons.put(ROOT_SIMON_NAME, rootSimon);
configuration = new ManagerConfiguration(this);
callback.initialize(this);
}
private synchronized AbstractSimon createOrReplaceUnknownSimon(
String name, Class<? extends AbstractSimon> simonClass) {
// we will rather check the map in synchronized block before we try to create/replace the Simon
AbstractSimon simon = allSimons.get(name);
if (simon != null && simonClass.isInstance(simon)) {
return simon; // the same return like in non-synchronized getOrCreateSimon - you just never
// know
}
if (simon == null) {
if (name != null && !SimonUtils.checkName(name)) {
throw new SimonException(
"Simon name must match following pattern: '"
+ SimonUtils.NAME_PATTERN.pattern()
+ "', used name: "
+ name);
}
simon = newSimon(name, simonClass);
} else if (simon instanceof UnknownSimon) {
simon = replaceUnknownSimon(simon, simonClass);
} else {
throw new SimonException(
"Simon named '"
+ name
+ "' already exists and its type is '"
+ simon.getClass().getName()
+ "' while requested type is '"
+ simonClass.getName()
+ "'.");
}
callback.onSimonCreated(simon);
return simon;
}
@Override
public synchronized void destroySimon(String name) {
if (name.equals(ROOT_SIMON_NAME)) {
throw new SimonException("Root Simon cannot be destroyed!");
}
AbstractSimon simon = allSimons.remove(name);
if (simon.getChildren().size() > 0) {
replaceUnknownSimon(simon, UnknownSimon.class);
} else {
((AbstractSimon) simon.getParent()).replaceChild(simon, null);
}
callback.onSimonDestroyed(simon);
}
@Override
public void warning(String warning, Exception cause) {
callback.onManagerWarning(warning, cause);
}
@Override
public void message(String message) {
callback.onManagerMessage(message);
}