@SuppressWarnings("unchecked")
public static final StatisticsRunnerInterface getInstance(
String storePath, Map parameters, String storeClass) {
if (instance != null) {
return instance;
} else {
synchronized (semaphore) {
if (instance == null) {
logger.info(
"Getting statistics runner interface with storePath: {} and parameters: {}",
storeClass,
parameters);
try {
instance = getStatisticsRunnerInstanceOSGi(storePath, parameters, storeClass);
if (instance != null) {
logger.info("Acquiring statistics runner from OSGi services succeeded");
return instance;
}
logger.info("Falling back to old school mode.");
instance = getStatisticsRunnerInstance(storePath, parameters, storeClass);
} catch (Exception e) {
AuditLog.log("INIT", "WARNING: StatisticsRunnner not available", e, Level.WARNING);
instance = new DummyStatisticsRunner();
}
}
return instance;
}
}
}
@Override
@SuppressWarnings("rawtypes")
public void processMessage() {
AuditLog.log(
AuditLog.AUDIT_MESSAGE_TRIBEMANAGER,
"MembershipSmokeSignal: PROCESS MESSAGE (" + getKey() + "/" + getValue() + ")");
if (getKey().equals(INTRODUCTION)) {
TribeMemberInterface tm = (TribeMemberInterface) getValue();
TribeManagerFactory.getInstance().addTribeMember(tm);
/**
* The Chief is responsible to sharing the active 'tribal maps' by sending an
* IntroductionRequest to the new member.
*/
if (TribeManagerFactory.getInstance().getIsChief()) {
Collection<SharedTribalMap> c = SharedTribalMap.getAllTribalMaps();
Iterator<SharedTribalMap> iter = c.iterator();
while (iter.hasNext()) {
IntroductionRequest ir = new IntroductionRequest(iter.next());
TribeManagerFactory.getInstance().askSomebody(ir, tm.getAddress());
}
}
}
}
public static final WebserviceListenerRegistryInterface getInstance() {
if (instance != null) {
return instance;
} else {
synchronized (semaphore) {
if (instance == null) {
try {
Class c = Class.forName("com.dexels.navajo.scheduler.WebserviceListenerRegistry");
WebserviceListenerRegistryInterface dummy =
(WebserviceListenerRegistryInterface) c.newInstance();
Method m = c.getMethod("getInstance", (Class[]) null);
instance = (WebserviceListenerRegistryInterface) m.invoke(dummy, (Object[]) null);
} catch (Exception e) {
AuditLog.log("INIT", "WARNING: WebserviceListener not available", Level.WARNING);
instance = new DummyWebserviceListener();
}
}
return instance;
}
}
}