@SuppressWarnings("unchecked")
public Object down(Event evt) {
int type = evt.getType();
switch (type) {
case Event.CONNECT:
case Event.CONNECT_USE_FLUSH:
case Event.CONNECT_WITH_STATE_TRANSFER:
case Event.CONNECT_WITH_STATE_TRANSFER_USE_FLUSH:
boolean use_flush =
type == Event.CONNECT_USE_FLUSH || type == Event.CONNECT_WITH_STATE_TRANSFER_USE_FLUSH;
boolean state_transfer =
type == Event.CONNECT_WITH_STATE_TRANSFER
|| type == Event.CONNECT_WITH_STATE_TRANSFER_USE_FLUSH;
if (print_local_addr) {
PhysicalAddress physical_addr =
print_physical_addrs
? (PhysicalAddress) down(new Event(Event.GET_PHYSICAL_ADDRESS, local_addr))
: null;
System.out.println(
"\n-------------------------------------------------------------------\n"
+ "GMS: address="
+ local_addr
+ ", cluster="
+ evt.getArg()
+ (physical_addr != null ? ", physical address=" + physical_addr : "")
+ "\n-------------------------------------------------------------------");
} else {
if (log.isDebugEnabled()) {
PhysicalAddress physical_addr =
print_physical_addrs
? (PhysicalAddress) down(new Event(Event.GET_PHYSICAL_ADDRESS, local_addr))
: null;
log.debug(
"address="
+ local_addr
+ ", cluster="
+ evt.getArg()
+ (physical_addr != null ? ", physical address=" + physical_addr : ""));
}
}
down_prot.down(evt);
if (local_addr == null) throw new IllegalStateException("local_addr is null");
try {
if (state_transfer) impl.joinWithStateTransfer(local_addr, use_flush);
else impl.join(local_addr, use_flush);
} catch (Throwable e) {
return e;
}
return null; // don't pass down: event has already been passed down
case Event.DISCONNECT:
impl.leave((Address) evt.getArg());
if (!(impl instanceof CoordGmsImpl)) {
initState(); // in case connect() is called again
}
down_prot.down(evt); // notify the other protocols, but ignore the result
return null;
case Event.CONFIG:
Map<String, Object> config = (Map<String, Object>) evt.getArg();
if ((config != null && config.containsKey("flush_supported"))) {
flushProtocolInStack = true;
}
break;
case Event.SET_LOCAL_ADDRESS:
local_addr = (Address) evt.getArg();
break;
}
return down_prot.down(evt);
}
