RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS_VALUE: {
GetEarliestMsgStoretimeResponseHeader responseHeader =
(GetEarliestMsgStoretimeResponseHeader) response
.decodeCommandCustomHeader(GetEarliestMsgStoretimeResponseHeader.class);
return responseHeader.getTimestamp();
}
default: