kotman12 commented on code in PR #2382: URL: https://github.com/apache/solr/pull/2382#discussion_r1594844585
########## solr/modules/monitor/src/java/org/apache/solr/monitor/search/ReverseSearchComponent.java: ########## @@ -0,0 +1,192 @@ +/* + * + * * 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.monitor.search; + +import static org.apache.solr.monitor.MonitorConstants.DOCUMENT_BATCH_KEY; +import static org.apache.solr.monitor.MonitorConstants.MONITOR_DOCUMENTS_KEY; +import static org.apache.solr.monitor.MonitorConstants.MONITOR_OUTPUT_KEY; +import static org.apache.solr.monitor.MonitorConstants.QUERY_MATCH_TYPE_KEY; +import static org.apache.solr.monitor.MonitorConstants.REVERSE_SEARCH_PARAM_NAME; +import static org.apache.solr.monitor.MonitorConstants.SOLR_MONITOR_CACHE_NAME; +import static org.apache.solr.monitor.MonitorConstants.WRITE_TO_DOC_LIST_KEY; +import static org.apache.solr.monitor.search.QueryMatchResponseCodec.mergeResponses; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.concurrent.ExecutorService; +import java.util.stream.Collectors; +import org.apache.lucene.document.Document; +import org.apache.lucene.monitor.DocumentBatchVisitor; +import org.apache.lucene.search.MatchAllDocsQuery; +import org.apache.lucene.search.Query; +import org.apache.lucene.util.NamedThreadFactory; +import org.apache.solr.common.SolrException; +import org.apache.solr.common.SolrException.ErrorCode; +import org.apache.solr.common.util.ExecutorUtil; +import org.apache.solr.common.util.NamedList; +import org.apache.solr.core.CloseHook; +import org.apache.solr.core.SolrCore; +import org.apache.solr.handler.component.ResponseBuilder; +import org.apache.solr.handler.component.SearchComponent; +import org.apache.solr.handler.component.ShardRequest; +import org.apache.solr.handler.loader.JsonLoader; +import org.apache.solr.monitor.SolrMonitorQueryDecoder; +import org.apache.solr.monitor.cache.MonitorQueryCache; +import org.apache.solr.monitor.cache.SharedMonitorCache; +import org.apache.solr.request.SolrQueryRequest; +import org.apache.solr.search.QParser; +import org.apache.solr.search.SyntaxError; +import org.apache.solr.update.DocumentBuilder; +import org.apache.solr.util.plugin.SolrCoreAware; + +public class ReverseSearchComponent extends SearchComponent implements SolrCoreAware { + + private static final String MATCHER_THREAD_COUNT_KEY = "threadCount"; + + private SolrMatcherSinkFactory solrMatcherSinkFactory = new SolrMatcherSinkFactory(); + + private ExecutorService executor; + + @Override + public void init(NamedList<?> args) { + super.init(args); + Object threadCount = args.get(MATCHER_THREAD_COUNT_KEY); + if (threadCount instanceof Integer) { + executor = + ExecutorUtil.newMDCAwareFixedThreadPool( + (Integer) threadCount, new NamedThreadFactory("monitor-matcher")); + solrMatcherSinkFactory = new SolrMatcherSinkFactory(executor); + } + } + + @Override + public void prepare(ResponseBuilder rb) { + if (skipReverseSearch(rb)) { + return; + } + var req = rb.req; + var documentBatch = documentBatch(req); + req.getContext().put(DOCUMENT_BATCH_KEY, documentBatch); + var writeToDocListRaw = req.getParams().get(WRITE_TO_DOC_LIST_KEY, "false"); + boolean writeToDocList = Boolean.parseBoolean(writeToDocListRaw); Review Comment: So this has been implemented with the caveat that I decided to manage the presearcher within the ReverseSearchComponent. This component is a more "natural" singleton and I really think the Presearcher should be a singleton, at least for now. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@solr.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@solr.apache.org For additional commands, e-mail: issues-h...@solr.apache.org
