Java QueryProcessor.prepare Examples

Example #1

File: PrepareMessage.java Project: Steve667/cassandra-cdh4

  public Message.Response execute(QueryState state) {
    try {
      UUID tracingId = null;
      if (isTracingRequested()) {
        tracingId = UUIDGen.getTimeUUID();
        state.prepareTracingSession(tracingId);
      }

      if (state.traceNextQuery()) {
        state.createTracingSession();
        Tracing.instance().begin("Preparing CQL3 query", ImmutableMap.of("query", query));
      }

      Message.Response response = QueryProcessor.prepare(query, state.getClientState(), false);

      if (tracingId != null) response.setTracingId(tracingId);

      return response;
    } catch (Exception e) {
      return ErrorMessage.fromException(e);
    } finally {
      Tracing.instance().stopSession();
    }
  }