/**
* Retrieve the RuntimeManager instance, creating one if necessary.
*
* @return RuntimeManager instance.
*/
public static synchronized RuntimeManager getRuntimeManager() {
if (rtManager == null) {
// Perform lookup to find the RuntimeManager instance.
rtManager = Lookup.getDefault().lookup(RuntimeManager.class);
// Load the persisted runtimes.
RuntimeFactory rf = getRuntimeFactory();
rtManager.loadRuntimes(rf);
// Make sure the default runtime exists.
String base = rf.getDefaultBase();
JavaRuntime rt = rtManager.findByBase(base);
if (rt == null || !rt.isValid()) {
// No matching, valid runtime, create a new one.
String id = rtManager.generateIdentifier();
rt = rf.createRuntime(base, id);
rtManager.add(rt);
}
}
return rtManager;
}
