Examples with Ack org.apache.drill.exec.proto.GeneralRPCProtos.Ack used on opensource projects

Example 6 with Ack

use of org.apache.drill.exec.proto.GeneralRPCProtos.Ack in project drill by apache.

the class ProfileResources method cancelQuery.

@GET
@Path("/profiles/cancel/{queryid}")
@Produces(MediaType.TEXT_PLAIN)
public String cancelQuery(@PathParam("queryid") String queryId) {
    QueryId id = QueryIdHelper.getQueryIdFromString(queryId);
    // Prevent XSS
    String encodedQueryID = forHtml(queryId);
    // first check local running
    if (work.getBee().cancelForeman(id, principal)) {
        return String.format("Cancelled query %s on locally running node.", encodedQueryID);
    }
    // then check remote running
    try {
        final TransientStore<QueryInfo> running = work.getContext().getProfileStoreContext().getRunningProfileStore();
        final QueryInfo info = running.get(queryId);
        checkOrThrowQueryCancelAuthorization(info.getUser(), queryId);
        Ack a = work.getContext().getController().getTunnel(info.getForeman()).requestCancelQuery(id).checkedGet(2, TimeUnit.SECONDS);
        if (a.getOk()) {
            return String.format("Query %s canceled on node %s.", encodedQueryID, info.getForeman().getAddress());
        } else {
            return String.format("Attempted to cancel query %s on %s but the query is no longer active on that node.", encodedQueryID, info.getForeman().getAddress());
        }
    } catch (Exception e) {
        logger.debug("Failure to find query as running profile.", e);
        return String.format("Failure attempting to cancel query %s.  Unable to find information about where query is actively running.", encodedQueryID);
    }
}