public void prepare(String query, InetAddress toExclude) throws InterruptedException {
for (Map.Entry<Host, HostConnectionPool> entry : pools.entrySet()) {
if (entry.getKey().getAddress().equals(toExclude)) continue;
// Let's not wait too long if we can't get a connection. Things
// will fix themselves once the user tries a query anyway.
Connection c = null;
try {
c = entry.getValue().borrowConnection(200, TimeUnit.MILLISECONDS);
c.write(new PrepareMessage(query)).get();
} catch (ConnectionException e) {
// Again, not being able to prepare the query right now is no big deal, so just ignore
} catch (BusyConnectionException e) {
// Same as above
} catch (TimeoutException e) {
// Same as above
} catch (ExecutionException e) {
// We shouldn't really get exception while preparing a
// query, so log this (but ignore otherwise as it's not a big deal)
logger.error(
String.format(
"Unexpected error while preparing query (%s) on %s", query, entry.getKey()),
e);
} finally {
if (c != null) entry.getValue().returnConnection(c);
}
}
}
public void sendResponse(ClientEndpoint endpoint, Object response) {
if (response instanceof Throwable) {
response =
ClientExceptionConverters.get(endpoint.getClientType()).convert((Throwable) response);
}
final Data resultData = response != null ? serializationService.toData(response) : NULL;
Connection conn = endpoint.getConnection();
conn.write(new DataAdapter(resultData, serializationService.getSerializationContext()));
}