Examples with DocsumPacket com.yahoo.fs4.DocsumPacket used on opensource projects

Example 1 with DocsumPacket

use of com.yahoo.fs4.DocsumPacket in project vespa by vespa-engine.

the class VespaBackEndSearcher method cacheLookupTwoPhase.

protected PacketWrapper cacheLookupTwoPhase(CacheKey cacheKey, Result result, String summaryClass) {
    Query query = result.getQuery();
    PacketWrapper packetWrapper = cacheControl.lookup(cacheKey, query);
    if (packetWrapper == null) {
        return null;
    }
    if (packetWrapper.getNumPackets() != 0) {
        for (Iterator<Hit> i = hitIterator(result); i.hasNext(); ) {
            Hit hit = i.next();
            if (hit instanceof FastHit) {
                FastHit fastHit = (FastHit) hit;
                DocsumPacketKey key = new DocsumPacketKey(fastHit.getGlobalId(), fastHit.getPartId(), summaryClass);
                if (fillHit(fastHit, (DocsumPacket) packetWrapper.getPacket(key), summaryClass).ok) {
                    fastHit.setCached(true);
                }
            }
        }
        result.hits().setSorted(false);
        result.analyzeHits();
    }
    return packetWrapper;
}

Example 2 with DocsumPacket

use of com.yahoo.fs4.DocsumPacket in project vespa by vespa-engine.

the class VdsStreamingSearcher method doSearch2.

@Override
public Result doSearch2(Query query, QueryPacket queryPacket, CacheKey cacheKey, Execution execution) {
    // TODO refactor this method into smaller methods, it's hard to see the actual code
    lazyTrace(query, 7, "Routing to storage cluster ", getStorageClusterRouteSpec());
    if (route == null) {
        route = Route.parse(getStorageClusterRouteSpec());
    }
    lazyTrace(query, 8, "Route is ", route);
    lazyTrace(query, 7, "doSearch2(): query docsum class=", query.getPresentation().getSummary(), ", default docsum class=", getDefaultDocsumClass());
    if (query.getPresentation().getSummary() == null) {
        lazyTrace(query, 6, "doSearch2(): No summary class specified in query, using default: ", getDefaultDocsumClass());
        query.getPresentation().setSummary(getDefaultDocsumClass());
    } else {
        lazyTrace(query, 6, "doSearch2(): Summary class has been specified in query: ", query.getPresentation().getSummary());
    }
    lazyTrace(query, 8, "doSearch2(): rank properties=", query.getRanking());
    lazyTrace(query, 8, "doSearch2(): sort specification=", query.getRanking().getSorting() == null ? null : query.getRanking().getSorting().fieldOrders());
    int documentSelectionQueryParameterCount = 0;
    if (query.properties().getString(streamingUserid) != null)
        documentSelectionQueryParameterCount++;
    if (query.properties().getString(streamingGroupname) != null)
        documentSelectionQueryParameterCount++;
    if (query.properties().getString(streamingSelection) != null)
        documentSelectionQueryParameterCount++;
    if (documentSelectionQueryParameterCount != 1) {
        return new Result(query, ErrorMessage.createBackendCommunicationError("Streaming search needs one and " + "only one of these query parameters to be set: streaming.userid, streaming.groupname, " + "streaming.selection"));
    }
    query.trace("Routing to search cluster " + getSearchClusterConfigId(), 4);
    Visitor visitor = visitorFactory.createVisitor(query, getSearchClusterConfigId(), route);
    try {
        visitor.doSearch();
    } catch (ParseException e) {
        return new Result(query, ErrorMessage.createBackendCommunicationError("Failed to parse document selection string: " + e.getMessage() + "'."));
    } catch (TokenMgrError e) {
        return new Result(query, ErrorMessage.createBackendCommunicationError("Failed to tokenize document selection string: " + e.getMessage() + "'."));
    } catch (TimeoutException e) {
        return new Result(query, ErrorMessage.createTimeout(e.getMessage()));
    } catch (InterruptedException | IllegalArgumentException e) {
        return new Result(query, ErrorMessage.createBackendCommunicationError(e.getMessage()));
    }
    lazyTrace(query, 8, "offset=", query.getOffset(), ", hits=", query.getHits());
    Result result = new Result(query);
    // Sorted on rank
    List<SearchResult.Hit> hits = visitor.getHits();
    Map<String, DocumentSummary.Summary> summaryMap = visitor.getSummaryMap();
    lazyTrace(query, 7, "total hit count = ", visitor.getTotalHitCount(), ", returned hit count = ", hits.size(), ", summary count = ", summaryMap.size());
    result.setTotalHitCount(visitor.getTotalHitCount());
    query.trace(visitor.getStatistics().toString(), false, 2);
    query.getContext(true).setProperty(STREAMING_STATISTICS, visitor.getStatistics());
    Packet[] summaryPackets = new Packet[hits.size()];
    int index = 0;
    boolean skippedEarlierResult = false;
    for (SearchResult.Hit hit : hits) {
        if (!verifyDocId(hit.getDocId(), query, skippedEarlierResult)) {
            skippedEarlierResult = true;
            continue;
        }
        FastHit fastHit = buildSummaryHit(query, hit);
        result.hits().add(fastHit);
        DocumentSummary.Summary summary = summaryMap.get(hit.getDocId());
        if (summary != null) {
            DocsumPacket dp = new DocsumPacket(summary.getSummary());
            // log.log(LogLevel.SPAM, "DocsumPacket: " + dp);
            summaryPackets[index] = dp;
        } else {
            return new Result(query, ErrorMessage.createBackendCommunicationError("Did not find summary for hit with document id " + hit.getDocId()));
        }
        index++;
    }
    if (result.isFilled(query.getPresentation().getSummary())) {
        lazyTrace(query, 8, "Result is filled for summary class ", query.getPresentation().getSummary());
    } else {
        lazyTrace(query, 8, "Result is not filled for summary class ", query.getPresentation().getSummary());
    }
    List<Grouping> groupingList = visitor.getGroupings();
    lazyTrace(query, 8, "Grouping list=", groupingList);
    if (!groupingList.isEmpty()) {
        GroupingListHit groupHit = new GroupingListHit(groupingList, getDocsumDefinitionSet(query));
        result.hits().add(groupHit);
    }
    int skippedHits;
    try {
        FillHitsResult fillHitsResult = fillHits(result, summaryPackets, query.getPresentation().getSummary());
        skippedHits = fillHitsResult.skippedHits;
        if (fillHitsResult.error != null) {
            result.hits().addError(ErrorMessage.createTimeout(fillHitsResult.error));
            return result;
        }
    } catch (TimeoutException e) {
        result.hits().addError(ErrorMessage.createTimeout(e.getMessage()));
        return result;
    } catch (IOException e) {
        return new Result(query, ErrorMessage.createBackendCommunicationError("Error filling hits with summary fields"));
    }
    if (skippedHits == 0) {
        // TODO: cache results or result.analyzeHits(); ?
        query.trace("All hits have been filled", 4);
    } else {
        lazyTrace(query, 8, "Skipping some hits for query: ", result.getQuery());
    }
    lazyTrace(query, 8, "Returning result ", result);
    if (skippedHits > 0) {
        getLogger().info("skipping " + skippedHits + " hits for query: " + result.getQuery());
        result.hits().addError(com.yahoo.search.result.ErrorMessage.createTimeout("Missing hit summary data for " + skippedHits + " hits"));
    }
    return result;
}

Example 3 with DocsumPacket

use of com.yahoo.fs4.DocsumPacket in project vespa by vespa-engine.

the class VespaBackEndSearcher method addCachedHits.

private boolean addCachedHits(Result result, PacketWrapper packetWrapper, String summaryClass, List<DocumentInfo> documents) {
    boolean filledAllOfEm = true;
    Query myQuery = result.getQuery();
    for (DocumentInfo document : documents) {
        FastHit hit = new FastHit();
        hit.setQuery(myQuery);
        hit.setUseRowInIndexUri(useRowInIndexUri(result));
        hit.setFillable();
        hit.setCached(true);
        extractDocumentInfo(hit, document);
        DocsumPacket docsum = (DocsumPacket) packetWrapper.getPacket(document.getGlobalId(), document.getPartId(), summaryClass);
        if (docsum != null) {
            byte[] docsumdata = docsum.getData();
            if (docsumdata.length > 0) {
                String error = decodeSummary(summaryClass, hit, docsumdata);
                if (error != null) {
                    filledAllOfEm = false;
                }
            } else {
                filledAllOfEm = false;
            }
        } else {
            filledAllOfEm = false;
        }
        result.hits().add(hit);
    }
    return filledAllOfEm;
}

Example 4 with DocsumPacket

use of com.yahoo.fs4.DocsumPacket in project vespa by vespa-engine.

the class VespaBackEndSearcher method fillHits.

/**
 * Fills the hits.
 *
 * @return the number of hits that we did not return data for, and an optional error message.
 *         when things are working normally we return 0.
 */
protected FillHitsResult fillHits(Result result, Packet[] packets, String summaryClass) throws IOException {
    int skippedHits = 0;
    String lastError = null;
    int packetIndex = 0;
    for (Iterator<Hit> i = hitIterator(result); i.hasNext(); ) {
        Hit hit = i.next();
        if (hit instanceof FastHit && !hit.isFilled(summaryClass)) {
            FastHit fastHit = (FastHit) hit;
            ensureInstanceOf(DocsumPacket.class, packets[packetIndex], getName());
            DocsumPacket docsum = (DocsumPacket) packets[packetIndex];
            packetIndex++;
            FillHitResult fr = fillHit(fastHit, docsum, summaryClass);
            if (!fr.ok) {
                skippedHits++;
            }
            if (fr.error != null) {
                result.hits().addError(ErrorMessage.createTimeout(fr.error));
                skippedHits++;
                lastError = fr.error;
            }
        }
    }
    result.hits().setSorted(false);
    return new FillHitsResult(skippedHits, lastError);
}