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;
}
/** {@inheritDoc} */
public final void printSimonTree() {
System.out.println(SimonUtils.simonTreeString(manager.getRootSimon()));
}