| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.solr.core; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.util.List; |
| |
| import org.apache.solr.common.params.CommonParams; |
| import org.apache.solr.common.util.NamedList; |
| import org.apache.solr.request.LocalSolrQueryRequest; |
| import org.apache.solr.request.SolrQueryRequest; |
| import org.apache.solr.request.SolrRequestInfo; |
| import org.apache.solr.response.ResultContext; |
| import org.apache.solr.response.SolrQueryResponse; |
| import org.apache.solr.search.DocIterator; |
| import org.apache.solr.search.DocList; |
| import org.apache.solr.search.SolrIndexSearcher; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static org.apache.solr.common.params.CommonParams.DISTRIB; |
| |
| /** |
| * |
| */ |
| public class QuerySenderListener extends AbstractSolrEventListener { |
| private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| public QuerySenderListener(SolrCore core) { |
| super(core); |
| } |
| |
| @Override |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| public void newSearcher(SolrIndexSearcher newSearcher, SolrIndexSearcher currentSearcher) { |
| final SolrIndexSearcher searcher = newSearcher; |
| log.debug("QuerySenderListener sending requests to {}", newSearcher); |
| List<NamedList> allLists = (List<NamedList>)getArgs().get("queries"); |
| if (allLists == null) return; |
| for (NamedList nlst : allLists) { |
| try { |
| // bind the request to a particular searcher (the newSearcher) |
| NamedList params = addEventParms(currentSearcher, nlst); |
| // for this, we default to distrib = false |
| if (params.get(DISTRIB) == null) { |
| params.add(DISTRIB, false); |
| } |
| SolrQueryRequest req = new LocalSolrQueryRequest(getCore(),params) { |
| @Override public SolrIndexSearcher getSearcher() { return searcher; } |
| @Override public void close() { } |
| }; |
| SolrQueryResponse rsp = new SolrQueryResponse(); |
| SolrRequestInfo.setRequestInfo(new SolrRequestInfo(req, rsp)); |
| try { |
| getCore().execute(getCore().getRequestHandler(req.getParams().get(CommonParams.QT)), req, rsp); |
| |
| // Retrieve the Document instances (not just the ids) to warm |
| // the OS disk cache, and any Solr document cache. Only the top |
| // level values in the NamedList are checked for DocLists. |
| NamedList values = rsp.getValues(); |
| for (int i=0; i<values.size(); i++) { |
| Object o = values.getVal(i); |
| if (o instanceof ResultContext) { |
| o = ((ResultContext)o).getDocList(); |
| } |
| if (o instanceof DocList) { |
| DocList docs = (DocList)o; |
| for (DocIterator iter = docs.iterator(); iter.hasNext();) { |
| newSearcher.doc(iter.nextDoc()); |
| } |
| } |
| } |
| } finally { |
| try { |
| req.close(); |
| } finally { |
| SolrRequestInfo.clearRequestInfo(); |
| } |
| } |
| } catch (Exception e) { |
| // do nothing... we want to continue with the other requests. |
| // the failure should have already been logged. |
| } |
| } |
| log.info("QuerySenderListener done."); |
| } |
| |
| |
| } |