private void processAliases(Aliases aliases, List<String> collectionsList) {
String collection = solrReq.getParams().get(COLLECTION_PROP);
if (collection != null) {
collectionsList = StrUtils.splitSmart(collection, ",", true);
}
if (collectionsList != null) {
Set<String> newCollectionsList = new HashSet<>(collectionsList.size());
for (String col : collectionsList) {
String al = aliases.getCollectionAlias(col);
if (al != null) {
List<String> aliasList = StrUtils.splitSmart(al, ",", true);
newCollectionsList.addAll(aliasList);
} else {
newCollectionsList.add(col);
}
}
if (newCollectionsList.size() > 0) {
StringBuilder collectionString = new StringBuilder();
Iterator<String> it = newCollectionsList.iterator();
int sz = newCollectionsList.size();
for (int i = 0; i < sz; i++) {
collectionString.append(it.next());
if (i < newCollectionsList.size() - 1) {
collectionString.append(",");
}
}
ModifiableSolrParams params = new ModifiableSolrParams(solrReq.getParams());
params.set(COLLECTION_PROP, collectionString.toString());
solrReq.setParams(params);
}
}
}
public FacetRange parse(Object arg) throws SyntaxError {
parseCommonParams(arg);
if (!(arg instanceof Map)) {
throw err("Missing range facet arguments");
}
Map<String, Object> m = (Map<String, Object>) arg;
facet.field = getString(m, "field", null);
facet.start = m.get("start");
facet.end = m.get("end");
facet.gap = m.get("gap");
facet.hardend = getBoolean(m, "hardend", facet.hardend);
facet.mincount = getLong(m, "mincount", 0);
// TODO: refactor list-of-options code
Object o = m.get("include");
String[] includeList = null;
if (o != null) {
List lst = null;
if (o instanceof List) {
lst = (List) o;
} else if (o instanceof String) {
lst = StrUtils.splitSmart((String) o, ',');
}
includeList = (String[]) lst.toArray(new String[lst.size()]);
}
facet.include = FacetParams.FacetRangeInclude.parseParam(includeList);
facet.others = EnumSet.noneOf(FacetParams.FacetRangeOther.class);
o = m.get("other");
if (o != null) {
List<String> lst = null;
if (o instanceof List) {
lst = (List) o;
} else if (o instanceof String) {
lst = StrUtils.splitSmart((String) o, ',');
}
for (String otherStr : lst) {
facet.others.add(FacetParams.FacetRangeOther.get(otherStr));
}
}
Object facetObj = m.get("facet");
parseSubs(facetObj);
return facet;
}
public Query parse() throws ParseException {
// handle legacy "query;sort" syntax
if (getLocalParams() == null) {
String qstr = getString();
sortStr = getParams().get(CommonParams.SORT);
if (sortStr == null) {
// sort may be legacy form, included in the query string
List<String> commands = StrUtils.splitSmart(qstr, ';');
if (commands.size() == 2) {
qstr = commands.get(0);
sortStr = commands.get(1);
} else if (commands.size() == 1) {
// This is need to support the case where someone sends: "q=query;"
qstr = commands.get(0);
} else if (commands.size() > 2) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"If you want to use multiple ';' in the query, use the 'sort' param.");
}
}
setString(qstr);
}
return super.parse();
}
public void handleRequest(SolrQueryRequest req, SolrQueryResponse rsp) {
numRequests++;
Query query = null;
Filter filter = null;
List<String> commands = StrUtils.splitSmart(req.getQueryString(), ';');
String qs = commands.size() >= 1 ? commands.get(0) : "";
query = QueryParsing.parseQuery(qs, req.getSchema());
// If the first non-query, non-filter command is a simple sort on an indexed field, then
// we can use the Lucene sort ability.
Sort sort = null;
if (commands.size() >= 2) {
sort = QueryParsing.parseSort(commands.get(1), req);
}
try {
int numHits;
ScoreDoc[] scoreDocs;
if (sort != null) {
TopFieldDocs hits =
req.getSearcher().search(query, filter, req.getStart() + req.getLimit(), sort);
scoreDocs = hits.scoreDocs;
numHits = hits.totalHits;
} else {
TopDocs hits = req.getSearcher().search(query, filter, req.getStart() + req.getLimit());
scoreDocs = hits.scoreDocs;
numHits = hits.totalHits;
}
int startRow = Math.min(numHits, req.getStart());
int endRow = Math.min(numHits, req.getStart() + req.getLimit());
int numRows = endRow - startRow;
int[] ids = new int[numRows];
Document[] data = new Document[numRows];
for (int i = startRow; i < endRow; i++) {
ids[i] = scoreDocs[i].doc;
data[i] = req.getSearcher().doc(ids[i]);
}
rsp.add(null, new DocSlice(0, numRows, ids, null, numHits, 0.0f));
/**
* ********************* rsp.setResults(new DocSlice(0,numRows,ids,null,numHits));
*
* <p>// Setting the actual document objects is optional rsp.setResults(data);
* **********************
*/
} catch (IOException e) {
rsp.setException(e);
numErrors++;
return;
}
}
protected ParsedParams parseParams(String type, String param) throws SyntaxError, IOException {
SolrParams localParams = QueryParsing.getLocalParams(param, req.getParams());
DocSet docs = docsOrig;
String facetValue = param;
String key = param;
List<String> tags = Collections.emptyList();
int threads = -1;
if (localParams == null) {
SolrParams params = global;
SolrParams required = new RequiredSolrParams(params);
return new ParsedParams(localParams, params, required, facetValue, docs, key, tags, threads);
}
SolrParams params = SolrParams.wrapDefaults(localParams, global);
SolrParams required = new RequiredSolrParams(params);
// remove local params unless it's a query
if (type != FacetParams.FACET_QUERY) { // TODO Cut over to an Enum here
facetValue = localParams.get(CommonParams.VALUE);
}
// reset set the default key now that localParams have been removed
key = facetValue;
// allow explicit set of the key
key = localParams.get(CommonParams.OUTPUT_KEY, key);
String tagStr = localParams.get(CommonParams.TAG);
tags = tagStr == null ? Collections.<String>emptyList() : StrUtils.splitSmart(tagStr, ',');
String threadStr = localParams.get(CommonParams.THREADS);
if (threadStr != null) {
threads = Integer.parseInt(threadStr);
}
// figure out if we need a new base DocSet
String excludeStr = localParams.get(CommonParams.EXCLUDE);
if (excludeStr == null)
return new ParsedParams(localParams, params, required, facetValue, docs, key, tags, threads);
List<String> excludeTagList = StrUtils.splitSmart(excludeStr, ',');
docs = computeDocSet(docs, excludeTagList);
return new ParsedParams(localParams, params, required, facetValue, docs, key, tags, threads);
}
private Command(SolrQueryRequest req, SolrQueryResponse resp, String httpMethod) {
this.req = req;
this.resp = resp;
this.method = httpMethod;
path = (String) req.getContext().get("path");
if (path == null) path = getDefaultPath();
parts = StrUtils.splitSmart(path, '/');
if (parts.get(0).isEmpty()) parts.remove(0);
}
public void processGetUpdates(ResponseBuilder rb) throws IOException {
SolrQueryRequest req = rb.req;
SolrQueryResponse rsp = rb.rsp;
SolrParams params = req.getParams();
if (!params.getBool(COMPONENT_NAME, true)) {
return;
}
String versionsStr = params.get("getUpdates");
if (versionsStr == null) return;
UpdateLog ulog = req.getCore().getUpdateHandler().getUpdateLog();
if (ulog == null) return;
List<String> versions = StrUtils.splitSmart(versionsStr, ",", true);
List<Object> updates = new ArrayList<Object>(versions.size());
long minVersion = Long.MAX_VALUE;
// TODO: get this from cache instead of rebuilding?
UpdateLog.RecentUpdates recentUpdates = ulog.getRecentUpdates();
try {
for (String versionStr : versions) {
long version = Long.parseLong(versionStr);
try {
Object o = recentUpdates.lookup(version);
if (o == null) continue;
if (version > 0) {
minVersion = Math.min(minVersion, version);
}
// TODO: do any kind of validation here?
updates.add(o);
} catch (SolrException e) {
log.warn("Exception reading log for updates", e);
} catch (ClassCastException e) {
log.warn("Exception reading log for updates", e);
}
}
// Must return all delete-by-query commands that occur after the first add requested
// since they may apply.
updates.addAll(recentUpdates.getDeleteByQuery(minVersion));
rb.rsp.add("updates", updates);
} finally {
recentUpdates.close(); // cache this somehow?
}
}
public void processSync(ResponseBuilder rb, int nVersions, String sync) {
List<String> replicas = StrUtils.splitSmart(sync, ",", true);
boolean cantReachIsSuccess = rb.req.getParams().getBool("cantReachIsSuccess", false);
PeerSync peerSync =
new PeerSync(rb.req.getCore(), replicas, nVersions, cantReachIsSuccess, true);
boolean success = peerSync.sync();
// TODO: more complex response?
rb.rsp.add("sync", success);
}
private Set<String> getCollectionList(ClusterState clusterState, String collection) {
// Extract each comma separated collection name and store in a List.
List<String> rawCollectionsList = StrUtils.splitSmart(collection, ",", true);
Set<String> collectionsList = new HashSet<>();
// validate collections
for (String collectionName : rawCollectionsList) {
if (!clusterState.getCollections().contains(collectionName)) {
Aliases aliases = zkStateReader.getAliases();
String alias = aliases.getCollectionAlias(collectionName);
if (alias != null) {
List<String> aliasList = StrUtils.splitSmart(alias, ",", true);
collectionsList.addAll(aliasList);
continue;
}
throw new SolrException(ErrorCode.BAD_REQUEST, "Collection not found: " + collectionName);
}
collectionsList.add(collectionName);
}
return collectionsList;
}
public List<String> getStringList(Map<String, Object> args, String paramName) {
Object o = args.get(paramName);
if (o == null) {
return null;
}
if (o instanceof List) {
return (List<String>) o;
}
if (o instanceof String) {
return StrUtils.splitSmart((String) o, ",", true);
}
throw err("Expected list of string or comma separated string values.");
}
@Override
public void prepare(ResponseBuilder rb) throws IOException {
SolrParams params = rb.req.getParams();
if (params.getBool(TermsParams.TERMS, false)) {
rb.doTerms = true;
}
// TODO: temporary... this should go in a different component.
String shards = params.get(ShardParams.SHARDS);
if (shards != null) {
if (params.get(ShardParams.SHARDS_QT) == null) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "No shards.qt parameter specified");
}
List<String> lst = StrUtils.splitSmart(shards, ",", true);
rb.shards = lst.toArray(new String[lst.size()]);
}
}
/**
* Retrieve all requests recorded by this queue which were sent to given collection and shard
*
* @param zkStateReader the {@link org.apache.solr.common.cloud.ZkStateReader} from which
* cluster state is read
* @param collectionName the given collection name for which requests have to be extracted
* @param shardId the given shard name for which requests have to be extracted
* @return a list of {@link
* org.apache.solr.handler.component.TrackingShardHandlerFactory.ShardRequestAndParams} or
* empty list if none are found
*/
public List<ShardRequestAndParams> getShardRequests(
ZkStateReader zkStateReader, String collectionName, String shardId) {
DocCollection collection = zkStateReader.getClusterState().getCollection(collectionName);
assert collection != null;
Slice slice = collection.getSlice(shardId);
assert slice != null;
for (Map.Entry<String, List<ShardRequestAndParams>> entry : requests.entrySet()) {
// multiple shard addresses may be present separated by '|'
List<String> list = StrUtils.splitSmart(entry.getKey(), '|');
for (Map.Entry<String, Replica> replica : slice.getReplicasMap().entrySet()) {
String coreUrl = new ZkCoreNodeProps(replica.getValue()).getCoreUrl();
if (list.contains(coreUrl)) {
return new ArrayList<>(entry.getValue());
}
}
}
return Collections.emptyList();
}
/** Actually run the query */
@Override
public void process(ResponseBuilder rb) throws IOException {
SolrQueryRequest req = rb.req;
SolrQueryResponse rsp = rb.rsp;
SolrParams params = req.getParams();
if (!params.getBool(COMPONENT_NAME, true)) {
return;
}
SolrIndexSearcher searcher = req.getSearcher();
if (rb.getQueryCommand().getOffset() < 0) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "'start' parameter cannot be negative");
}
// -1 as flag if not set.
long timeAllowed = (long) params.getInt(CommonParams.TIME_ALLOWED, -1);
// Optional: This could also be implemented by the top-level searcher sending
// a filter that lists the ids... that would be transparent to
// the request handler, but would be more expensive (and would preserve score
// too if desired).
String ids = params.get(ShardParams.IDS);
if (ids != null) {
SchemaField idField = req.getSchema().getUniqueKeyField();
List<String> idArr = StrUtils.splitSmart(ids, ",", true);
int[] luceneIds = new int[idArr.size()];
int docs = 0;
for (int i = 0; i < idArr.size(); i++) {
int id =
req.getSearcher()
.getFirstMatch(
new Term(idField.getName(), idField.getType().toInternal(idArr.get(i))));
if (id >= 0) luceneIds[docs++] = id;
}
DocListAndSet res = new DocListAndSet();
res.docList = new DocSlice(0, docs, luceneIds, null, docs, 0);
if (rb.isNeedDocSet()) {
List<Query> queries = new ArrayList<Query>();
queries.add(rb.getQuery());
List<Query> filters = rb.getFilters();
if (filters != null) queries.addAll(filters);
res.docSet = searcher.getDocSet(queries);
}
rb.setResults(res);
rsp.add("response", rb.getResults().docList);
return;
}
SolrIndexSearcher.QueryCommand cmd = rb.getQueryCommand();
cmd.setTimeAllowed(timeAllowed);
SolrIndexSearcher.QueryResult result = new SolrIndexSearcher.QueryResult();
//
// grouping / field collapsing
//
boolean doGroup = params.getBool(GroupParams.GROUP, false);
if (doGroup) {
try {
cmd.groupCommands = new ArrayList<Grouping.Command>();
String[] fields = params.getParams(GroupParams.GROUP_FIELD);
String[] funcs = params.getParams(GroupParams.GROUP_FUNC);
String[] queries = params.getParams(GroupParams.GROUP_QUERY);
String groupSortStr = params.get(GroupParams.GROUP_SORT);
Sort groupSort =
groupSortStr != null ? QueryParsing.parseSort(groupSortStr, req.getSchema()) : null;
int limitDefault = cmd.getLen(); // this is normally from "rows"
int docsPerGroupDefault = params.getInt(GroupParams.GROUP_LIMIT, 1);
// temporary: implement all group-by-field as group-by-func
if (funcs == null) {
funcs = fields;
} else if (fields != null) {
// catenate functions and fields
String[] both = new String[fields.length + funcs.length];
System.arraycopy(fields, 0, both, 0, fields.length);
System.arraycopy(funcs, 0, both, fields.length, funcs.length);
funcs = both;
}
if (funcs != null) {
for (String groupByStr : funcs) {
QParser parser = QParser.getParser(groupByStr, "func", rb.req);
Query q = parser.getQuery();
Grouping.CommandFunc gc = new Grouping.CommandFunc();
gc.groupSort = groupSort;
if (q instanceof FunctionQuery) {
gc.groupBy = ((FunctionQuery) q).getValueSource();
} else {
gc.groupBy = new QueryValueSource(q, 0.0f);
}
gc.key = groupByStr;
gc.groupLimit = limitDefault;
gc.docsPerGroup = docsPerGroupDefault;
cmd.groupCommands.add(gc);
}
}
if (cmd.groupCommands.size() == 0) cmd.groupCommands = null;
if (cmd.groupCommands != null) {
if (rb.doHighlights || rb.isDebug()) {
// we need a single list of the returned docs
cmd.setFlags(SolrIndexSearcher.GET_DOCLIST);
}
searcher.search(result, cmd);
rb.setResult(result);
rsp.add("grouped", result.groupedResults);
// TODO: get "hits" a different way to log
return;
}
} catch (ParseException e) {
throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, e);
}
}
// normal search result
searcher.search(result, cmd);
rb.setResult(result);
rsp.add("response", rb.getResults().docList);
rsp.getToLog().add("hits", rb.getResults().docList.matches());
doFieldSortValues(rb, searcher);
doPrefetch(rb);
}
public static ArrayList<Node> getNodesForNewShard(
ClusterState clusterState,
String collectionName,
int numSlices,
int maxShardsPerNode,
int repFactor,
String createNodeSetStr) {
List<String> createNodeList =
createNodeSetStr == null ? null : StrUtils.splitSmart(createNodeSetStr, ",", true);
Set<String> nodes = clusterState.getLiveNodes();
List<String> nodeList = new ArrayList<String>(nodes.size());
nodeList.addAll(nodes);
if (createNodeList != null) nodeList.retainAll(createNodeList);
HashMap<String, Node> nodeNameVsShardCount = new HashMap<String, Node>();
for (String s : nodeList) nodeNameVsShardCount.put(s, new Node(s));
for (String s : clusterState.getCollections()) {
DocCollection c = clusterState.getCollection(s);
// identify suitable nodes by checking the no:of cores in each of them
for (Slice slice : c.getSlices()) {
Collection<Replica> replicas = slice.getReplicas();
for (Replica replica : replicas) {
Node count = nodeNameVsShardCount.get(replica.getNodeName());
if (count != null) {
count.totalNodes++;
if (s.equals(collectionName)) {
count.thisCollectionNodes++;
if (count.thisCollectionNodes >= maxShardsPerNode)
nodeNameVsShardCount.remove(replica.getNodeName());
}
}
}
}
}
if (nodeNameVsShardCount.size() <= 0) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"Cannot create collection "
+ collectionName
+ ". No live Solr-instances"
+ ((createNodeList != null)
? " among Solr-instances specified in " + CREATE_NODE_SET + ":" + createNodeSetStr
: ""));
}
if (repFactor > nodeNameVsShardCount.size()) {
log.warn(
"Specified "
+ REPLICATION_FACTOR
+ " of "
+ repFactor
+ " on collection "
+ collectionName
+ " is higher than or equal to the number of Solr instances currently live or part of your "
+ CREATE_NODE_SET
+ "("
+ nodeList.size()
+ "). Its unusual to run two replica of the same slice on the same Solr-instance.");
}
int maxCoresAllowedToCreate = maxShardsPerNode * nodeList.size();
int requestedCoresToCreate = numSlices * repFactor;
int minCoresToCreate = requestedCoresToCreate;
if (maxCoresAllowedToCreate < minCoresToCreate) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"Cannot create shards "
+ collectionName
+ ". Value of "
+ MAX_SHARDS_PER_NODE
+ " is "
+ maxShardsPerNode
+ ", and the number of live nodes is "
+ nodeList.size()
+ ". This allows a maximum of "
+ maxCoresAllowedToCreate
+ " to be created. Value of "
+ NUM_SLICES
+ " is "
+ numSlices
+ " and value of "
+ REPLICATION_FACTOR
+ " is "
+ repFactor
+ ". This requires "
+ requestedCoresToCreate
+ " shards to be created (higher than the allowed number)");
}
ArrayList<Node> sortedNodeList = new ArrayList<>(nodeNameVsShardCount.values());
Collections.sort(
sortedNodeList,
new Comparator<Node>() {
@Override
public int compare(Node x, Node y) {
return (x.weight() < y.weight()) ? -1 : ((x.weight() == y.weight()) ? 0 : 1);
}
});
return sortedNodeList;
}
private void init() throws Exception {
// The states of client that is invalid in this request
Aliases aliases = null;
String corename = "";
String origCorename = null;
// set a request timer which can be reused by requests if needed
req.setAttribute(SolrRequestParsers.REQUEST_TIMER_SERVLET_ATTRIBUTE, new RTimerTree());
// put the core container in request attribute
req.setAttribute("org.apache.solr.CoreContainer", cores);
path = req.getServletPath();
if (req.getPathInfo() != null) {
// this lets you handle /update/commit when /update is a servlet
path += req.getPathInfo();
}
// check for management path
String alternate = cores.getManagementPath();
if (alternate != null && path.startsWith(alternate)) {
path = path.substring(0, alternate.length());
}
// unused feature ?
int idx = path.indexOf(':');
if (idx > 0) {
// save the portion after the ':' for a 'handler' path parameter
path = path.substring(0, idx);
}
boolean usingAliases = false;
// Check for container handlers
handler = cores.getRequestHandler(path);
if (handler != null) {
solrReq = SolrRequestParsers.DEFAULT.parse(null, path, req);
solrReq.getContext().put(CoreContainer.class.getName(), cores);
requestType = RequestType.ADMIN;
action = ADMIN;
return;
} else {
// otherwise, we should find a core from the path
idx = path.indexOf("/", 1);
if (idx > 1) {
// try to get the corename as a request parameter first
corename = path.substring(1, idx);
// look at aliases
if (cores.isZooKeeperAware()) {
origCorename = corename;
ZkStateReader reader = cores.getZkController().getZkStateReader();
aliases = reader.getAliases();
if (aliases != null && aliases.collectionAliasSize() > 0) {
usingAliases = true;
String alias = aliases.getCollectionAlias(corename);
if (alias != null) {
collectionsList = StrUtils.splitSmart(alias, ",", true);
corename = collectionsList.get(0);
}
}
}
core = cores.getCore(corename);
if (core != null) {
path = path.substring(idx);
} else if (cores.isCoreLoading(
corename)) { // extra mem barriers, so don't look at this before trying to get core
throw new SolrException(ErrorCode.SERVICE_UNAVAILABLE, "SolrCore is loading");
} else {
// the core may have just finished loading
core = cores.getCore(corename);
if (core != null) {
path = path.substring(idx);
}
}
}
if (core == null) {
if (!cores.isZooKeeperAware()) {
core = cores.getCore("");
}
}
}
if (core == null && cores.isZooKeeperAware()) {
// we couldn't find the core - lets make sure a collection was not specified instead
core = getCoreByCollection(corename);
if (core != null) {
// we found a core, update the path
path = path.substring(idx);
if (collectionsList == null) collectionsList = new ArrayList<>();
collectionsList.add(corename);
}
// if we couldn't find it locally, look on other nodes
extractRemotePath(corename, origCorename, idx);
if (action != null) return;
}
// With a valid core...
if (core != null) {
MDCLoggingContext.setCore(core);
config = core.getSolrConfig();
// get or create/cache the parser for the core
SolrRequestParsers parser = config.getRequestParsers();
// Determine the handler from the url path if not set
// (we might already have selected the cores handler)
extractHandlerFromURLPath(parser);
if (action != null) return;
// With a valid handler and a valid core...
if (handler != null) {
// if not a /select, create the request
if (solrReq == null) {
solrReq = parser.parse(core, path, req);
}
if (usingAliases) {
processAliases(aliases, collectionsList);
}
action = PROCESS;
return; // we are done with a valid handler
}
}
log.debug("no handler or core retrieved for " + path + ", follow through...");
action = PASSTHROUGH;
}
@Override
public void process(ResponseBuilder rb) throws IOException {
SolrQueryRequest req = rb.req;
SolrQueryResponse rsp = rb.rsp;
SolrParams params = req.getParams();
if (!params.getBool(COMPONENT_NAME, true)) {
return;
}
String val = params.get("getVersions");
if (val != null) {
processGetVersions(rb);
return;
}
val = params.get("getUpdates");
if (val != null) {
processGetUpdates(rb);
return;
}
String id[] = params.getParams("id");
String ids[] = params.getParams("ids");
if (id == null && ids == null) {
return;
}
String[] allIds = id == null ? new String[0] : id;
if (ids != null) {
List<String> lst = new ArrayList<String>();
for (String s : allIds) {
lst.add(s);
}
for (String idList : ids) {
lst.addAll(StrUtils.splitSmart(idList, ",", true));
}
allIds = lst.toArray(new String[lst.size()]);
}
SolrCore core = req.getCore();
SchemaField idField = core.getLatestSchema().getUniqueKeyField();
FieldType fieldType = idField.getType();
SolrDocumentList docList = new SolrDocumentList();
UpdateLog ulog = core.getUpdateHandler().getUpdateLog();
RefCounted<SolrIndexSearcher> searcherHolder = null;
DocTransformer transformer = rsp.getReturnFields().getTransformer();
if (transformer != null) {
TransformContext context = new TransformContext();
context.req = req;
transformer.setContext(context);
}
try {
SolrIndexSearcher searcher = null;
BytesRef idBytes = new BytesRef();
for (String idStr : allIds) {
fieldType.readableToIndexed(idStr, idBytes);
if (ulog != null) {
Object o = ulog.lookup(idBytes);
if (o != null) {
// should currently be a List<Oper,Ver,Doc/Id>
List entry = (List) o;
assert entry.size() >= 3;
int oper = (Integer) entry.get(0) & UpdateLog.OPERATION_MASK;
switch (oper) {
case UpdateLog.ADD:
SolrDocument doc =
toSolrDoc(
(SolrInputDocument) entry.get(entry.size() - 1), core.getLatestSchema());
if (transformer != null) {
transformer.transform(doc, -1); // unknown docID
}
docList.add(doc);
break;
case UpdateLog.DELETE:
break;
default:
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Unknown Operation! " + oper);
}
continue;
}
}
// didn't find it in the update log, so it should be in the newest searcher opened
if (searcher == null) {
searcherHolder = core.getRealtimeSearcher();
searcher = searcherHolder.get();
}
// SolrCore.verbose("RealTimeGet using searcher ", searcher);
int docid = searcher.getFirstMatch(new Term(idField.getName(), idBytes));
if (docid < 0) continue;
StoredDocument luceneDocument = searcher.doc(docid);
SolrDocument doc = toSolrDoc(luceneDocument, core.getLatestSchema());
if (transformer != null) {
transformer.transform(doc, docid);
}
docList.add(doc);
}
} finally {
if (searcherHolder != null) {
searcherHolder.decref();
}
}
// if the client specified a single id=foo, then use "doc":{
// otherwise use a standard doclist
if (ids == null && allIds.length <= 1) {
// if the doc was not found, then use a value of null.
rsp.add("doc", docList.size() > 0 ? docList.get(0) : null);
} else {
docList.setNumFound(docList.size());
rsp.add("response", docList);
}
}
/** create the FieldAdders that control how each field is indexed */
void prepareFields() {
// Possible future optimization: for really rapid incremental indexing
// from a POST, one could cache all of this setup info based on the params.
// The link from FieldAdder to this would need to be severed for that to happen.
adders = new CSVLoaderBase.FieldAdder[fieldnames.length];
String skipStr = params.get(SKIP);
List<String> skipFields = skipStr == null ? null : StrUtils.splitSmart(skipStr, ',');
CSVLoaderBase.FieldAdder adder = new CSVLoaderBase.FieldAdder();
CSVLoaderBase.FieldAdder adderKeepEmpty = new CSVLoaderBase.FieldAdderEmpty();
for (int i = 0; i < fieldnames.length; i++) {
String fname = fieldnames[i];
// to skip a field, leave the entries in fields and addrs null
if (fname.length() == 0 || (skipFields != null && skipFields.contains(fname))) continue;
boolean keepEmpty = params.getFieldBool(fname, EMPTY, false);
adders[i] = keepEmpty ? adderKeepEmpty : adder;
// Order that operations are applied: split -> trim -> map -> add
// so create in reverse order.
// Creation of FieldAdders could be optimized and shared among fields
String[] fmap = params.getFieldParams(fname, MAP);
if (fmap != null) {
for (String mapRule : fmap) {
String[] mapArgs = colonSplit.split(mapRule, -1);
if (mapArgs.length != 2)
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"Map rules must be of the form 'from:to' ,got '" + mapRule + "'");
adders[i] = new CSVLoaderBase.FieldMapperSingle(mapArgs[0], mapArgs[1], adders[i]);
}
}
if (params.getFieldBool(fname, TRIM, false)) {
adders[i] = new CSVLoaderBase.FieldTrimmer(adders[i]);
}
if (params.getFieldBool(fname, SPLIT, false)) {
String sepStr = params.getFieldParam(fname, SEPARATOR);
char fsep = sepStr == null || sepStr.length() == 0 ? ',' : sepStr.charAt(0);
String encStr = params.getFieldParam(fname, ENCAPSULATOR);
char fenc = encStr == null || encStr.length() == 0 ? (char) -2 : encStr.charAt(0);
String escStr = params.getFieldParam(fname, ESCAPE);
char fesc =
escStr == null || escStr.length() == 0 ? CSVStrategy.ESCAPE_DISABLED : escStr.charAt(0);
CSVStrategy fstrat =
new CSVStrategy(
fsep, fenc, CSVStrategy.COMMENTS_DISABLED, fesc, false, false, false, false);
adders[i] = new CSVLoaderBase.FieldSplitter(fstrat, adders[i]);
}
}
// look for any literal fields - literal.foo=xyzzy
Iterator<String> paramNames = params.getParameterNamesIterator();
while (paramNames.hasNext()) {
String pname = paramNames.next();
if (!pname.startsWith(LITERALS_PREFIX)) continue;
String name = pname.substring(LITERALS_PREFIX.length());
literals.put(name, params.get(pname));
}
}
@Override
public void prepare(ResponseBuilder rb) throws IOException {
SolrQueryRequest req = rb.req;
SolrParams params = req.getParams();
// A runtime param can skip
if (!params.getBool(QueryElevationParams.ENABLE, true)) {
return;
}
boolean exclusive = params.getBool(QueryElevationParams.EXCLUSIVE, false);
// A runtime parameter can alter the config value for forceElevation
boolean force = params.getBool(QueryElevationParams.FORCE_ELEVATION, forceElevation);
boolean markExcludes = params.getBool(QueryElevationParams.MARK_EXCLUDES, false);
String boostStr = params.get(QueryElevationParams.IDS);
String exStr = params.get(QueryElevationParams.EXCLUDE);
Query query = rb.getQuery();
String qstr = rb.getQueryString();
if (query == null || qstr == null) {
return;
}
ElevationObj booster = null;
try {
if (boostStr != null || exStr != null) {
List<String> boosts =
(boostStr != null)
? StrUtils.splitSmart(boostStr, ",", true)
: new ArrayList<String>(0);
List<String> excludes =
(exStr != null) ? StrUtils.splitSmart(exStr, ",", true) : new ArrayList<String>(0);
booster = new ElevationObj(qstr, boosts, excludes);
} else {
IndexReader reader = req.getSearcher().getIndexReader();
qstr = getAnalyzedQuery(qstr);
booster = getElevationMap(reader, req.getCore()).get(qstr);
}
} catch (Exception ex) {
throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Error loading elevation", ex);
}
if (booster != null) {
rb.req.getContext().put(BOOSTED, booster.ids);
// Change the query to insert forced documents
if (exclusive == true) {
// we only want these results
rb.setQuery(booster.include);
} else {
BooleanQuery newq = new BooleanQuery(true);
newq.add(query, BooleanClause.Occur.SHOULD);
newq.add(booster.include, BooleanClause.Occur.SHOULD);
if (booster.exclude != null) {
if (markExcludes == false) {
for (TermQuery tq : booster.exclude) {
newq.add(new BooleanClause(tq, BooleanClause.Occur.MUST_NOT));
}
} else {
// we are only going to mark items as excluded, not actually exclude them. This works
// with the EditorialMarkerFactory
rb.req.getContext().put(EXCLUDED, booster.excludeIds);
}
}
rb.setQuery(newq);
}
ElevationComparatorSource comparator = new ElevationComparatorSource(booster);
// if the sort is 'score desc' use a custom sorting method to
// insert documents in their proper place
SortSpec sortSpec = rb.getSortSpec();
if (sortSpec.getSort() == null) {
sortSpec.setSortAndFields(
new Sort(
new SortField[] {
new SortField("_elevate_", comparator, true),
new SortField(null, SortField.Type.SCORE, false)
}),
Arrays.asList(new SchemaField[2]));
} else {
// Check if the sort is based on score
SortSpec modSortSpec = this.modifySortSpec(sortSpec, force, comparator);
if (null != modSortSpec) {
rb.setSortSpec(modSortSpec);
}
}
// alter the sorting in the grouping specification if there is one
GroupingSpecification groupingSpec = rb.getGroupingSpec();
if (groupingSpec != null) {
SortField[] groupSort = groupingSpec.getGroupSort().getSort();
Sort modGroupSort = this.modifySort(groupSort, force, comparator);
if (modGroupSort != null) {
groupingSpec.setGroupSort(modGroupSort);
}
SortField[] withinGroupSort = groupingSpec.getSortWithinGroup().getSort();
Sort modWithinGroupSort = this.modifySort(withinGroupSort, force, comparator);
if (modWithinGroupSort != null) {
groupingSpec.setSortWithinGroup(modWithinGroupSort);
}
}
}
// Add debugging information
if (rb.isDebug()) {
List<String> match = null;
if (booster != null) {
// Extract the elevated terms into a list
match = new ArrayList<String>(booster.priority.size());
for (Object o : booster.include.clauses()) {
TermQuery tq = (TermQuery) ((BooleanClause) o).getQuery();
match.add(tq.getTerm().text());
}
}
SimpleOrderedMap<Object> dbg = new SimpleOrderedMap<Object>();
dbg.add("q", qstr);
dbg.add("match", match);
if (rb.isDebugQuery()) {
rb.addDebugInfo("queryBoosting", dbg);
}
}
}
public void handleRequest(RequestGetter requestGetter) {
MDCLoggingContext.reset();
MDCLoggingContext.setNode(cores);
String path = requestGetter.getPath();
solrParams = requestGetter.getSolrParams();
SolrRequestHandler handler = null;
String corename = "";
String origCorename = null;
try {
// set a request timer which can be reused by requests if needed
// req.setAttribute(SolrRequestParsers.REQUEST_TIMER_SERVLET_ATTRIBUTE, new RTimer());
// put the core container in request attribute
// req.setAttribute("org.apache.solr.CoreContainer", cores);
// check for management path
String alternate = cores.getManagementPath();
if (alternate != null && path.startsWith(alternate)) {
path = path.substring(0, alternate.length());
}
// unused feature ?
int idx = path.indexOf(':');
if (idx > 0) {
// save the portion after the ':' for a 'handler' path parameter
path = path.substring(0, idx);
}
boolean usingAliases = false;
List<String> collectionsList = null;
// Check for container handlers
handler = cores.getRequestHandler(path);
if (handler != null) {
solrReq = parseSolrQueryRequest(SolrRequestParsers.DEFAULT, requestGetter);
handleAdminRequest(handler, solrReq);
return;
} else {
// otherwise, we should find a core from the path
idx = path.indexOf("/", 1);
if (idx > 1) {
// try to get the corename as a request parameter first
corename = path.substring(1, idx);
// look at aliases
if (cores.isZooKeeperAware()) {
origCorename = corename;
ZkStateReader reader = cores.getZkController().getZkStateReader();
aliases = reader.getAliases();
if (aliases != null && aliases.collectionAliasSize() > 0) {
usingAliases = true;
String alias = aliases.getCollectionAlias(corename);
if (alias != null) {
collectionsList = StrUtils.splitSmart(alias, ",", true);
corename = collectionsList.get(0);
}
}
}
core = cores.getCore(corename);
if (core != null) {
path = path.substring(idx);
}
}
// add collection name
if (core == null && StringUtils.isNotBlank(requestGetter.getCollection())) {
corename = requestGetter.getCollection();
core = cores.getCore(corename);
}
if (core == null) {
if (!cores.isZooKeeperAware()) {
core = cores.getCore("");
}
}
}
if (core == null && cores.isZooKeeperAware()) {
// we couldn't find the core - lets make sure a collection was not specified instead
core = getCoreByCollection(cores, corename);
if (core != null) {
// we found a core, update the path
path = path.substring(idx);
}
// try the default core
if (core == null) {
core = cores.getCore("");
if (core != null) {}
}
}
// With a valid core...
if (core != null) {
MDCLoggingContext.setCore(core);
final SolrConfig config = core.getSolrConfig();
// get or create/cache the parser for the core
SolrRequestParsers parser = config.getRequestParsers();
// Determine the handler from the url path if not set
// (we might already have selected the cores handler)
if (handler == null && path.length() > 1) { // don't match "" or "/" as valid path
handler = core.getRequestHandler(path);
if (handler == null) {
// may be a restlet path
// Handle /schema/* paths via Restlet
if (path.equals("/schema") || path.startsWith("/schema/")) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "unsupport /schema/**, use http solr");
}
}
// no handler yet but allowed to handle select; let's check
if (handler == null && parser.isHandleSelect()) {
if ("/select".equals(path) || "/select/".equals(path)) {
solrReq = parseSolrQueryRequest(parser, requestGetter);
invalidStates =
checkStateIsValid(cores, solrReq.getParams().get(CloudSolrClient.STATE_VERSION));
String qt = solrReq.getParams().get(CommonParams.QT);
handler = core.getRequestHandler(qt);
if (handler == null) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "unknown handler: " + qt);
}
if (qt != null
&& qt.startsWith("/")
&& (handler instanceof ContentStreamHandlerBase)) {
// For security reasons it's a bad idea to allow a leading '/', ex:
// /select?qt=/update see SOLR-3161
// There was no restriction from Solr 1.4 thru 3.5 and it's not supported for update
// handlers.
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"Invalid Request Handler ('qt'). Do not use /select to access: " + qt);
}
}
}
}
// With a valid handler and a valid core...
if (handler != null) {
// if not a /select, create the request
if (solrReq == null) {
solrReq = parseSolrQueryRequest(parser, requestGetter);
}
if (usingAliases) {
processAliases(solrReq, aliases, collectionsList);
}
SolrQueryResponse solrRsp = new SolrQueryResponse();
SolrRequestInfo.setRequestInfo(new SolrRequestInfo(solrReq, solrRsp));
this.execute(handler, solrReq, solrRsp);
QueryResponseWriter responseWriter = core.getQueryResponseWriter(solrReq);
if (invalidStates != null)
solrReq.getContext().put(CloudSolrClient.STATE_VERSION, invalidStates);
writeResponse(solrRsp, responseWriter, solrReq);
return; // we are done with a valid handler
}
}
logger.debug("no handler or core retrieved for {}, follow through...", path);
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "no handler or core retrieved for " + path);
} catch (Throwable ex) {
sendError(core, solrReq, ex);
// walk the the entire cause chain to search for an Error
Throwable t = ex;
while (t != null) {
if (t instanceof Error) {
if (t != ex) {
logger.error(
"An Error was wrapped in another exception - please report complete stacktrace on SOLR-6161",
ex);
}
throw (Error) t;
}
t = t.getCause();
}
return;
} finally {
try {
if (solrReq != null) {
logger.debug("Closing out SolrRequest: {}", solrReq);
solrReq.close();
}
} finally {
try {
if (core != null) {
core.close();
}
} finally {
SolrRequestInfo.clearRequestInfo();
}
}
MDCLoggingContext.clear();
}
}
@Override
public void prepare(ResponseBuilder rb) throws IOException {
SolrQueryRequest req = rb.req;
SolrParams params = req.getParams();
if (!params.getBool(COMPONENT_NAME, true)) {
return;
}
SolrQueryResponse rsp = rb.rsp;
// Set field flags
String fl = params.get(CommonParams.FL);
int fieldFlags = 0;
if (fl != null) {
fieldFlags |= SolrPluginUtils.setReturnFields(fl, rsp);
}
rb.setFieldFlags(fieldFlags);
String defType = params.get(QueryParsing.DEFTYPE, QParserPlugin.DEFAULT_QTYPE);
// get it from the response builder to give a different component a chance
// to set it.
String queryString = rb.getQueryString();
if (queryString == null) {
// this is the normal way it's set.
queryString = params.get(CommonParams.Q);
rb.setQueryString(queryString);
}
try {
QParser parser = QParser.getParser(rb.getQueryString(), defType, req);
Query q = parser.getQuery();
if (q == null) {
// normalize a null query to a query that matches nothing
q = new BooleanQuery();
}
rb.setQuery(q);
rb.setSortSpec(parser.getSort(true));
rb.setQparser(parser);
String[] fqs = req.getParams().getParams(CommonParams.FQ);
if (fqs != null && fqs.length != 0) {
List<Query> filters = rb.getFilters();
if (filters == null) {
filters = new ArrayList<Query>();
rb.setFilters(filters);
}
for (String fq : fqs) {
if (fq != null && fq.trim().length() != 0) {
QParser fqp = QParser.getParser(fq, null, req);
filters.add(fqp.getQuery());
}
}
}
} catch (ParseException e) {
throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, e);
}
// TODO: temporary... this should go in a different component.
String shards = params.get(ShardParams.SHARDS);
if (shards != null) {
List<String> lst = StrUtils.splitSmart(shards, ",", true);
rb.shards = lst.toArray(new String[lst.size()]);
}
String shards_rows = params.get(ShardParams.SHARDS_ROWS);
if (shards_rows != null) {
rb.shards_rows = Integer.parseInt(shards_rows);
}
String shards_start = params.get(ShardParams.SHARDS_START);
if (shards_start != null) {
rb.shards_start = Integer.parseInt(shards_start);
}
}
public int createSubRequests(ResponseBuilder rb) throws IOException {
SolrParams params = rb.req.getParams();
String id1[] = params.getParams("id");
String ids[] = params.getParams("ids");
if (id1 == null && ids == null) {
return ResponseBuilder.STAGE_DONE;
}
List<String> allIds = new ArrayList<String>();
if (id1 != null) {
for (String s : id1) {
allIds.add(s);
}
}
if (ids != null) {
for (String s : ids) {
allIds.addAll(StrUtils.splitSmart(s, ",", true));
}
}
// TODO: handle collection=...?
ZkController zkController =
rb.req.getCore().getCoreDescriptor().getCoreContainer().getZkController();
// if shards=... then use that
if (zkController != null && params.get("shards") == null) {
CloudDescriptor cloudDescriptor = rb.req.getCore().getCoreDescriptor().getCloudDescriptor();
String collection = cloudDescriptor.getCollectionName();
ClusterState clusterState = zkController.getClusterState();
DocCollection coll = clusterState.getCollection(collection);
Map<String, List<String>> sliceToId = new HashMap<String, List<String>>();
for (String id : allIds) {
Slice slice = coll.getRouter().getTargetSlice(id, null, params, coll);
List<String> idsForShard = sliceToId.get(slice.getName());
if (idsForShard == null) {
idsForShard = new ArrayList<String>(2);
sliceToId.put(slice.getName(), idsForShard);
}
idsForShard.add(id);
}
for (Map.Entry<String, List<String>> entry : sliceToId.entrySet()) {
String shard = entry.getKey();
String shardIdList = StrUtils.join(entry.getValue(), ',');
ShardRequest sreq = new ShardRequest();
sreq.purpose = 1;
// sreq.shards = new String[]{shard}; // TODO: would be nice if this would work...
sreq.shards = sliceToShards(rb, collection, shard);
sreq.actualShards = sreq.shards;
sreq.params = new ModifiableSolrParams();
sreq.params.set(
ShardParams.SHARDS_QT,
"/get"); // TODO: how to avoid hardcoding this and hit the same handler?
sreq.params.set("distrib", false);
sreq.params.set("ids", shardIdList);
rb.addRequest(this, sreq);
}
} else {
String shardIdList = StrUtils.join(allIds, ',');
ShardRequest sreq = new ShardRequest();
sreq.purpose = 1;
sreq.shards = null; // ALL
sreq.actualShards = sreq.shards;
sreq.params = new ModifiableSolrParams();
sreq.params.set(
ShardParams.SHARDS_QT,
"/get"); // TODO: how to avoid hardcoding this and hit the same handler?
sreq.params.set("distrib", false);
sreq.params.set("ids", shardIdList);
rb.addRequest(this, sreq);
}
return ResponseBuilder.STAGE_DONE;
}