Source Code Cross Referenced for OldRequestHandler.java in  » Search-Engine » apache-solr-1.2.0 » org » apache » solr » tst » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Search Engine » apache solr 1.2.0 » org.apache.solr.tst 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         */package org.apache.solr.tst;
017:
018:        import org.apache.lucene.search.*;
019:        import org.apache.lucene.document.Document;
020:
021:        import java.util.List;
022:        import java.util.logging.Level;
023:        import java.io.IOException;
024:        import java.net.URL;
025:
026:        import org.apache.solr.util.StrUtils;
027:        import org.apache.solr.util.NamedList;
028:        import org.apache.solr.search.DocSlice;
029:        import org.apache.solr.search.QueryParsing;
030:        import org.apache.solr.core.SolrCore;
031:        import org.apache.solr.request.SolrRequestHandler;
032:        import org.apache.solr.request.SolrQueryResponse;
033:        import org.apache.solr.request.SolrQueryRequest;
034:
035:        /**
036:         * @author yonik
037:         * @version $Id: OldRequestHandler.java 472574 2006-11-08 18:25:52Z yonik $
038:         */
039:
040:        public class OldRequestHandler implements  SolrRequestHandler {
041:
042:            long numRequests;
043:            long numErrors;
044:
045:            public void init(NamedList args) {
046:                SolrCore.log.log(Level.INFO,
047:                        "Unused request handler arguments:" + args);
048:            }
049:
050:            public void handleRequest(SolrQueryRequest req,
051:                    SolrQueryResponse rsp) {
052:                numRequests++;
053:
054:                Query query = null;
055:                Filter filter = null;
056:
057:                List<String> commands = StrUtils.splitSmart(req
058:                        .getQueryString(), ';');
059:
060:                String qs = commands.size() >= 1 ? commands.get(0) : "";
061:                query = QueryParsing.parseQuery(qs, req.getSchema());
062:
063:                // If the first non-query, non-filter command is a simple sort on an indexed field, then
064:                // we can use the Lucene sort ability.
065:                Sort sort = null;
066:                if (commands.size() >= 2) {
067:                    QueryParsing.SortSpec sortSpec = QueryParsing.parseSort(
068:                            commands.get(1), req.getSchema());
069:                    if (sortSpec != null) {
070:                        sort = sortSpec.getSort();
071:                        // ignore the count for now... it's currently only controlled by start & limit on req
072:                        // count = sortSpec.getCount();
073:                    }
074:                }
075:
076:                Hits hits = null;
077:
078:                try {
079:                    hits = req.getSearcher().search(query, filter, sort);
080:
081:                    int numHits = hits.length();
082:                    int startRow = Math.min(numHits, req.getStart());
083:                    int endRow = Math.min(numHits, req.getStart()
084:                            + req.getLimit());
085:                    int numRows = endRow - startRow;
086:
087:                    int[] ids = new int[numRows];
088:                    Document[] data = new Document[numRows];
089:                    for (int i = startRow; i < endRow; i++) {
090:                        ids[i] = hits.id(i);
091:                        data[i] = hits.doc(i);
092:                    }
093:
094:                    rsp.add(null, new DocSlice(0, numRows, ids, null, numHits,
095:                            0.0f));
096:
097:                    /***********************
098:                    rsp.setResults(new DocSlice(0,numRows,ids,null,numHits));
099:
100:                    // Setting the actual document objects is optional
101:                    rsp.setResults(data);
102:                     ************************/
103:                } catch (IOException e) {
104:                    rsp.setException(e);
105:                    numErrors++;
106:                    return;
107:                }
108:
109:            }
110:
111:            public String getName() {
112:                return OldRequestHandler.class.getName();
113:            }
114:
115:            public String getVersion() {
116:                return SolrCore.version;
117:            }
118:
119:            public String getDescription() {
120:                return "The original Hits based request handler";
121:            }
122:
123:            public Category getCategory() {
124:                return Category.QUERYHANDLER;
125:            }
126:
127:            public String getSourceId() {
128:                return "$Id: OldRequestHandler.java 472574 2006-11-08 18:25:52Z yonik $";
129:            }
130:
131:            public String getSource() {
132:                return "$URL: https://svn.apache.org/repos/asf/lucene/solr/branches/branch-1.2/src/java/org/apache/solr/tst/OldRequestHandler.java $";
133:            }
134:
135:            public URL[] getDocs() {
136:                return null;
137:            }
138:
139:            public NamedList getStatistics() {
140:                NamedList lst = new NamedList();
141:                lst.add("requests", numRequests);
142:                lst.add("errors", numErrors);
143:                return lst;
144:            }
145:
146:        }
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