@Override
public void viewAccepted(View view) {
ConsistentHash newHash = consistentHash.withExclusively(getMemberNames(view));
if (!consistentHash.equals(newHash)) {
int messagesLost = 0;
// check whether the members with outstanding callbacks are all alive
for (Map.Entry<String, MemberAwareCommandCallback> entry : callbacks.entrySet()) {
if (!entry.getValue().isMemberLive(view)) {
MemberAwareCommandCallback callback = callbacks.remove(entry.getKey());
if (callback != null) {
messagesLost++;
callback.onFailure(
new RemoteCommandHandlingException(
"The connection with the destination was lost before the result was reported."));
}
}
}
consistentHash = newHash;
logger.info("Membership has changed. Rebuilt consistent hash ring.");
logger.debug("New distributed hash: {}", consistentHash.toString());
if (messagesLost > 0 && logger.isWarnEnabled()) {
logger.warn(
"A member was disconnected while waiting for a reply. {} messages are lost without reply.",
messagesLost);
}
}
}
@SuppressWarnings("unchecked")
private void processReplyMessage(ReplyMessage replyMessage) {
MemberAwareCommandCallback callback = callbacks.remove(replyMessage.getCommandIdentifier());
if (callback != null) {
if (replyMessage.isSuccess()) {
callback.onSuccess(replyMessage.getReturnValue(serializer));
} else {
callback.onFailure(replyMessage.getError(serializer));
}
}
}
