/**
* get the solr document list from a query response This differs from getResponseByParams in such
* a way that it does only create the fields of the response but never search snippets and there
* are also no facets generated.
*
* @param params
* @return
* @throws IOException
* @throws SolrException
*/
@Override
public SolrDocumentList getDocumentListByParams(ModifiableSolrParams params)
throws IOException, SolrException {
SolrQueryRequest req = this.request(params);
SolrQueryResponse response = null;
String q = params.get(CommonParams.Q);
String fq = params.get(CommonParams.FQ);
String sort = params.get(CommonParams.SORT);
String threadname = Thread.currentThread().getName();
try {
if (q != null)
Thread.currentThread()
.setName(
"solr query: q = "
+ q
+ (fq == null ? "" : ", fq = " + fq)
+ (sort == null ? "" : ", sort = " + sort)); // for debugging in Threaddump
response = this.query(req);
if (q != null) Thread.currentThread().setName(threadname);
if (response == null) throw new IOException("response == null");
return SolrQueryResponse2SolrDocumentList(req, response);
} finally {
req.close();
SolrRequestInfo.clearRequestInfo();
}
}
/**
* Adds extra parameters to a Solr query for better term searches, including custom options. More
* specifically, adds parameters for requesting the score to be included in the results, for
* requesting a spellcheck result, and sets the {@code start} and {@code rows} parameters when
* missing.
*
* @param originalParams the original Solr parameters to enhance
* @param queryOptions extra options to include in the query; these override the default values,
* but don't override values already set in the query
* @return the enhanced parameters
*/
public static SolrParams enhanceParams(
SolrParams originalParams, Map<String, String> queryOptions) {
if (originalParams == null) {
return null;
}
ModifiableSolrParams newParams = new ModifiableSolrParams();
newParams.set(CommonParams.START, "0");
newParams.set(CommonParams.ROWS, "1000");
newParams.set(CommonParams.FL, "* score");
if (queryOptions != null) {
for (Map.Entry<String, String> item : queryOptions.entrySet()) {
newParams.set(item.getKey(), item.getValue());
}
}
for (Map.Entry<String, Object> item : originalParams.toNamedList()) {
if (item.getValue() != null && item.getValue() instanceof String[]) {
newParams.set(item.getKey(), (String[]) item.getValue());
} else {
newParams.set(item.getKey(), String.valueOf(item.getValue()));
}
}
if (newParams.get(SPELLCHECK) == null) {
newParams.set(SPELLCHECK, Boolean.toString(true));
newParams.set(SpellingParams.SPELLCHECK_COLLATE, Boolean.toString(true));
}
return newParams;
}
/**
* Replaces the original query in the Solr parameters with the suggested spellchecked query. It
* also fixes the boost query, if any.
*
* @param originalParams the original Solr parameters to fix
* @param suggestedQuery the suggested query
* @return new Solr parameters with the query and boost query fixed
*/
public static SolrParams applySpellcheckSuggestion(
SolrParams originalParams, String suggestedQuery) {
if (originalParams == null) {
return null;
}
if (StringUtils.isBlank(suggestedQuery)) {
return originalParams;
}
ModifiableSolrParams newParams = new ModifiableSolrParams(originalParams);
String newQuery = suggestedQuery;
// Since the spelling suggestion might not be that good, also search for the original user input
if (StringUtils.isNotEmpty(originalParams.get(SpellingParams.SPELLCHECK_Q))) {
newQuery = originalParams.get(CommonParams.Q) + "^10 " + suggestedQuery;
}
// Check if the last term in the query is a word stub search which, in case the request comes
// from a
// user-triggered search for terms from the UI, is a prefix search for the last typed word
Matcher originalStub = WORD_STUB.matcher(newParams.get(CommonParams.Q));
Matcher newStub = WORD_STUB.matcher(suggestedQuery);
if (originalStub.find()
&& newStub.find()
&& !StringUtils.equals(originalStub.group(2), newStub.group(2))) {
// Since word stubs aren't complete words, they may wrongly be "corrected" to a full word that
// doesn't match
// what the user started typing; include both the original stub and the "corrected" stub in
// the query
newQuery += ' ' + originalStub.group() + "^1.5";
// Also fix the boost query
String boostQuery = newParams.get(DisMaxParams.BQ);
if (StringUtils.isNotEmpty(boostQuery)) {
newParams.add(DisMaxParams.BQ, boostQuery.replace(originalStub.group(2), newStub.group(2)));
}
}
// Replace the query
newParams.set(CommonParams.Q, newQuery);
return newParams;
}
private NamedList<Object> directUpdate(AbstractUpdateRequest request, ClusterState clusterState)
throws SolrServerException {
UpdateRequest updateRequest = (UpdateRequest) request;
ModifiableSolrParams params = (ModifiableSolrParams) request.getParams();
ModifiableSolrParams routableParams = new ModifiableSolrParams();
ModifiableSolrParams nonRoutableParams = new ModifiableSolrParams();
if (params != null) {
nonRoutableParams.add(params);
routableParams.add(params);
for (String param : NON_ROUTABLE_PARAMS) {
routableParams.remove(param);
}
}
String collection = nonRoutableParams.get(UpdateParams.COLLECTION, defaultCollection);
if (collection == null) {
throw new SolrServerException(
"No collection param specified on request and no default collection has been set.");
}
// Check to see if the collection is an alias.
Aliases aliases = zkStateReader.getAliases();
if (aliases != null) {
Map<String, String> collectionAliases = aliases.getCollectionAliasMap();
if (collectionAliases != null && collectionAliases.containsKey(collection)) {
collection = collectionAliases.get(collection);
}
}
DocCollection col = getDocCollection(clusterState, collection);
DocRouter router = col.getRouter();
if (router instanceof ImplicitDocRouter) {
// short circuit as optimization
return null;
}
// Create the URL map, which is keyed on slice name.
// The value is a list of URLs for each replica in the slice.
// The first value in the list is the leader for the slice.
Map<String, List<String>> urlMap = buildUrlMap(col);
if (urlMap == null) {
// we could not find a leader yet - use unoptimized general path
return null;
}
NamedList<Throwable> exceptions = new NamedList<>();
NamedList<NamedList> shardResponses = new NamedList<>();
Map<String, LBHttpSolrServer.Req> routes =
updateRequest.getRoutes(router, col, urlMap, routableParams, this.idField);
if (routes == null) {
return null;
}
long start = System.nanoTime();
if (parallelUpdates) {
final Map<String, Future<NamedList<?>>> responseFutures = new HashMap<>(routes.size());
for (final Map.Entry<String, LBHttpSolrServer.Req> entry : routes.entrySet()) {
final String url = entry.getKey();
final LBHttpSolrServer.Req lbRequest = entry.getValue();
responseFutures.put(
url,
threadPool.submit(
new Callable<NamedList<?>>() {
@Override
public NamedList<?> call() throws Exception {
return lbServer.request(lbRequest).getResponse();
}
}));
}
for (final Map.Entry<String, Future<NamedList<?>>> entry : responseFutures.entrySet()) {
final String url = entry.getKey();
final Future<NamedList<?>> responseFuture = entry.getValue();
try {
shardResponses.add(url, responseFuture.get());
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException(e);
} catch (ExecutionException e) {
exceptions.add(url, e.getCause());
}
}
if (exceptions.size() > 0) {
throw new RouteException(ErrorCode.SERVER_ERROR, exceptions, routes);
}
} else {
for (Map.Entry<String, LBHttpSolrServer.Req> entry : routes.entrySet()) {
String url = entry.getKey();
LBHttpSolrServer.Req lbRequest = entry.getValue();
try {
NamedList<Object> rsp = lbServer.request(lbRequest).getResponse();
shardResponses.add(url, rsp);
} catch (Exception e) {
throw new SolrServerException(e);
}
}
}
UpdateRequest nonRoutableRequest = null;
List<String> deleteQuery = updateRequest.getDeleteQuery();
if (deleteQuery != null && deleteQuery.size() > 0) {
UpdateRequest deleteQueryRequest = new UpdateRequest();
deleteQueryRequest.setDeleteQuery(deleteQuery);
nonRoutableRequest = deleteQueryRequest;
}
Set<String> paramNames = nonRoutableParams.getParameterNames();
Set<String> intersection = new HashSet<>(paramNames);
intersection.retainAll(NON_ROUTABLE_PARAMS);
if (nonRoutableRequest != null || intersection.size() > 0) {
if (nonRoutableRequest == null) {
nonRoutableRequest = new UpdateRequest();
}
nonRoutableRequest.setParams(nonRoutableParams);
List<String> urlList = new ArrayList<>();
urlList.addAll(routes.keySet());
Collections.shuffle(urlList, rand);
LBHttpSolrServer.Req req = new LBHttpSolrServer.Req(nonRoutableRequest, urlList);
try {
LBHttpSolrServer.Rsp rsp = lbServer.request(req);
shardResponses.add(urlList.get(0), rsp.getResponse());
} catch (Exception e) {
throw new SolrException(ErrorCode.SERVER_ERROR, urlList.get(0), e);
}
}
long end = System.nanoTime();
RouteResponse rr = condenseResponse(shardResponses, (long) ((end - start) / 1000000));
rr.setRouteResponses(shardResponses);
rr.setRoutes(routes);
return rr;
}
