Examples with TCMResult org.apache.accumulo.core.dataImpl.thrift.TCMResult used on opensource projects

Example 1 with TCMResult

use of org.apache.accumulo.core.dataImpl.thrift.TCMResult in project accumulo by apache.

the class ConditionalWriterImpl method sendToServer.

private void sendToServer(HostAndPort location, TabletServerMutations<QCMutation> mutations) {
    TabletClientService.Iface client = null;
    TInfo tinfo = TraceUtil.traceInfo();
    Map<Long, CMK> cmidToCm = new HashMap<>();
    MutableLong cmid = new MutableLong(0);
    SessionID sessionId = null;
    try {
        Map<TKeyExtent, List<TConditionalMutation>> tmutations = new HashMap<>();
        CompressedIterators compressedIters = new CompressedIterators();
        convertMutations(mutations, cmidToCm, cmid, tmutations, compressedIters);
        // getClient() call must come after converMutations in case it throws a TException
        client = getClient(location);
        List<TCMResult> tresults = null;
        while (tresults == null) {
            try {
                sessionId = reserveSessionID(location, client, tinfo);
                tresults = client.conditionalUpdate(tinfo, sessionId.sessionID, tmutations, compressedIters.getSymbolTable());
            } catch (NoSuchScanIDException nssie) {
                sessionId = null;
                invalidateSessionID(location);
            }
        }
        HashSet<KeyExtent> extentsToInvalidate = new HashSet<>();
        ArrayList<QCMutation> ignored = new ArrayList<>();
        for (TCMResult tcmResult : tresults) {
            if (tcmResult.status == TCMStatus.IGNORED) {
                CMK cmk = cmidToCm.get(tcmResult.cmid);
                ignored.add(cmk.cm);
                extentsToInvalidate.add(cmk.ke);
            } else {
                QCMutation qcm = cmidToCm.get(tcmResult.cmid).cm;
                qcm.queueResult(new Result(fromThrift(tcmResult.status), qcm, location.toString()));
            }
        }
        for (KeyExtent ke : extentsToInvalidate) {
            locator.invalidateCache(ke);
        }
        queueRetry(ignored, location);
    } catch (ThriftSecurityException tse) {
        AccumuloSecurityException ase = new AccumuloSecurityException(context.getCredentials().getPrincipal(), tse.getCode(), context.getPrintableTableInfoFromId(tableId), tse);
        queueException(location, cmidToCm, ase);
    } catch (TApplicationException tae) {
        queueException(location, cmidToCm, new AccumuloServerException(location.toString(), tae));
    } catch (TException e) {
        locator.invalidateCache(context, location.toString());
        invalidateSession(location, cmidToCm, sessionId);
    } catch (Exception e) {
        queueException(location, cmidToCm, e);
    } finally {
        if (sessionId != null)
            unreserveSessionID(location);
        ThriftUtil.returnClient((TServiceClient) client, context);
    }
}

Example 2 with TCMResult

use of org.apache.accumulo.core.dataImpl.thrift.TCMResult in project accumulo by apache.

the class ThriftClientHandler method checkConditions.

private void checkConditions(Map<KeyExtent, List<ServerConditionalMutation>> updates, ArrayList<TCMResult> results, ConditionalSession cs, List<String> symbols) throws IOException {
    Iterator<Entry<KeyExtent, List<ServerConditionalMutation>>> iter = updates.entrySet().iterator();
    final CompressedIterators compressedIters = new CompressedIterators(symbols);
    ConditionCheckerContext checkerContext = new ConditionCheckerContext(server.getContext(), compressedIters, context.getTableConfiguration(cs.tableId));
    while (iter.hasNext()) {
        final Entry<KeyExtent, List<ServerConditionalMutation>> entry = iter.next();
        final Tablet tablet = server.getOnlineTablet(entry.getKey());
        if (tablet == null || tablet.isClosed()) {
            for (ServerConditionalMutation scm : entry.getValue()) {
                results.add(new TCMResult(scm.getID(), TCMStatus.IGNORED));
            }
            iter.remove();
        } else {
            final List<ServerConditionalMutation> okMutations = new ArrayList<>(entry.getValue().size());
            final List<TCMResult> resultsSubList = results.subList(results.size(), results.size());
            ConditionChecker checker = checkerContext.newChecker(entry.getValue(), okMutations, resultsSubList);
            try {
                tablet.checkConditions(checker, cs.auths, cs.interruptFlag);
                if (okMutations.isEmpty()) {
                    iter.remove();
                } else {
                    entry.setValue(okMutations);
                }
            } catch (TabletClosedException | IterationInterruptedException | TooManyFilesException e) {
                // clear anything added while checking conditions.
                resultsSubList.clear();
                for (ServerConditionalMutation scm : entry.getValue()) {
                    results.add(new TCMResult(scm.getID(), TCMStatus.IGNORED));
                }
                iter.remove();
            }
        }
    }
}

Example 3 with TCMResult

use of org.apache.accumulo.core.dataImpl.thrift.TCMResult in project accumulo by apache.

the class ThriftClientHandler method conditionalUpdate.

@Override
public List<TCMResult> conditionalUpdate(TInfo tinfo, long sessID, Map<TKeyExtent, List<TConditionalMutation>> mutations, List<String> symbols) throws NoSuchScanIDException, TException {
    ConditionalSession cs = (ConditionalSession) server.sessionManager.reserveSession(sessID);
    if (cs == null || cs.interruptFlag.get()) {
        throw new NoSuchScanIDException();
    }
    if (!cs.tableId.equals(MetadataTable.ID) && !cs.tableId.equals(RootTable.ID)) {
        try {
            server.resourceManager.waitUntilCommitsAreEnabled();
        } catch (HoldTimeoutException hte) {
            // Assumption is that the client has timed out and is gone. If that's not the case throw
            // an exception that will cause it to retry.
            log.debug("HoldTimeoutException during conditionalUpdate, reporting no such session");
            throw new NoSuchScanIDException();
        }
    }
    TableId tid = cs.tableId;
    long opid = writeTracker.startWrite(TabletType.type(new KeyExtent(tid, null, null)));
    try {
        // @formatter:off
        Map<KeyExtent, List<ServerConditionalMutation>> updates = mutations.entrySet().stream().collect(Collectors.toMap(entry -> KeyExtent.fromThrift(entry.getKey()), entry -> entry.getValue().stream().map(ServerConditionalMutation::new).collect(Collectors.toList())));
        // @formatter:on
        for (KeyExtent ke : updates.keySet()) {
            if (!ke.tableId().equals(tid)) {
                throw new IllegalArgumentException("Unexpected table id " + tid + " != " + ke.tableId());
            }
        }
        ArrayList<TCMResult> results = new ArrayList<>();
        Map<KeyExtent, List<ServerConditionalMutation>> deferred = conditionalUpdate(cs, updates, results, symbols);
        while (!deferred.isEmpty()) {
            deferred = conditionalUpdate(cs, deferred, results, symbols);
        }
        return results;
    } catch (IOException ioe) {
        throw new TException(ioe);
    } finally {
        writeTracker.finishWrite(opid);
        server.sessionManager.unreserveSession(sessID);
    }
}