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Added code to produce tf/idf for wordcloud - this code is here to tes…
…t performance against term vector component
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186 changes: 186 additions & 0 deletions
186
contrib/adsabs/src/java/org/apache/solr/handler/component/WordCloudComponent.java
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| package org.apache.solr.handler.component; | ||
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| import java.io.IOException; | ||
| import java.io.StringReader; | ||
| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import java.util.Map.Entry; | ||
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| import org.apache.lucene.analysis.Analyzer; | ||
| import org.apache.lucene.analysis.TokenStream; | ||
| import org.apache.lucene.analysis.NumericTokenStream.NumericTermAttribute; | ||
| import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; | ||
| import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute; | ||
| import org.apache.lucene.document.Document; | ||
| import org.apache.lucene.index.AtomicReader; | ||
| import org.apache.lucene.index.Term; | ||
| import org.apache.lucene.search.Query; | ||
| import org.apache.lucene.util.BytesRef; | ||
| import org.apache.solr.common.SolrDocument; | ||
| import org.apache.solr.common.SolrException; | ||
| import org.apache.solr.common.SolrException.ErrorCode; | ||
| import org.apache.solr.common.params.SolrParams; | ||
| import org.apache.solr.common.util.StrUtils; | ||
| import org.apache.solr.request.SolrQueryRequest; | ||
| import org.apache.solr.response.transform.DocTransformer; | ||
| import org.apache.solr.response.transform.TransformContext; | ||
| import org.apache.solr.schema.FieldType; | ||
| import org.apache.solr.schema.IndexSchema; | ||
| import org.apache.solr.schema.SchemaField; | ||
| import org.apache.solr.search.DocIterator; | ||
| import org.apache.solr.search.DocList; | ||
| import org.apache.solr.search.SolrIndexSearcher; | ||
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| /* | ||
| * 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. | ||
| */ | ||
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| public class WordCloudComponent extends SearchComponent { | ||
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| public static final String COMPONENT_NAME = "wordcloud"; | ||
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| @Override | ||
| public void prepare(ResponseBuilder rb) throws IOException { | ||
| SolrQueryRequest req = rb.req; | ||
| SolrParams params = req.getParams(); | ||
| if (!params.getBool(COMPONENT_NAME, true)) { | ||
| return; | ||
| } | ||
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| Query query = rb.getQuery(); | ||
| if (query == null) return; | ||
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| } | ||
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| @Override | ||
| public void process(ResponseBuilder rb) throws IOException { | ||
| SolrQueryRequest req = rb.req; | ||
| SolrParams params = req.getParams(); | ||
| if (!params.getBool(COMPONENT_NAME, true)) { | ||
| return; | ||
| } | ||
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| String wcFields = null; | ||
| if ((wcFields = params.get("wordcloud.fl", null)) == null) { | ||
| return; | ||
| } | ||
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| Set<String> flds = new HashSet<String>(StrUtils.splitSmart(wcFields,',')); | ||
| DocList ids = rb.getResults().docList; | ||
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| SolrIndexSearcher searcher = rb.req.getSearcher(); | ||
| IndexSchema schema = rb.req.getCore().getLatestSchema(); | ||
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| final Analyzer analyzer = rb.req.getCore().getLatestSchema().getAnalyzer(); | ||
| final HashMap<String, FieldType> fieldsToLoad = new HashMap<String, FieldType>(); | ||
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| CharTermAttribute termAtt; | ||
| Map<String, Map<String, Integer>>tokens = new HashMap<String, Map<String, Integer>>(); | ||
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| for (String f: flds) { | ||
| SchemaField field = schema.getFieldOrNull(f); | ||
| if (field==null || !field.stored()) { | ||
| continue; // ignore this field | ||
| } | ||
| fieldsToLoad.put(f, field.getType()); | ||
| tokens.put(f, new HashMap<String, Integer>()); | ||
| } | ||
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| DocIterator iterator = ids.iterator(); | ||
| String w; Integer v; | ||
| int sz = ids.size(); | ||
| for (int i=0; i<sz; i++) { | ||
| int id = iterator.nextDoc(); | ||
| Document doc = searcher.doc(id, fieldsToLoad.keySet()); | ||
| for (Entry<String,FieldType> en: fieldsToLoad.entrySet()) { | ||
| Map<String,Integer> toks = tokens.get(en.getKey()); | ||
| String[] vals = doc.getValues(en.getKey()); | ||
| FieldType fType = en.getValue(); | ||
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| if (vals != null) { | ||
| for (String s: vals) { | ||
| TokenStream buffer = analyzer.tokenStream(en.getKey(), new StringReader(fType.indexedToReadable(s))); | ||
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| if (!buffer.hasAttribute(CharTermAttribute.class)) { | ||
| continue; // empty stream | ||
| } | ||
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| termAtt = buffer.getAttribute(CharTermAttribute.class); | ||
| buffer.reset(); | ||
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| while (buffer.incrementToken()) { | ||
| w = termAtt.toString(); | ||
| v = toks.get(w); | ||
| if (v == null) v = 0; | ||
| toks.put(w, ++v); | ||
| } | ||
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| buffer.close(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| // TODO: filter out the tokens (use some sort of a range 0.1-0.9 by frequency) | ||
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| AtomicReader reader = searcher.getAtomicReader(); | ||
| BytesRef term; | ||
| int df; | ||
| String f; | ||
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| Map<String, Map<String, Double>>docFreqs = new HashMap<String, Map<String, Double>>(); | ||
| for (Entry<String, Map<String, Integer>>field: tokens.entrySet()) { | ||
| HashMap<String,Double> idfs = new HashMap<String, Double>(); | ||
| f = field.getKey(); | ||
| docFreqs.put(f, idfs); | ||
| int N = reader.getDocCount(f); | ||
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| for (Entry<String, Integer>token: field.getValue().entrySet()) { | ||
| w = token.getKey(); | ||
| df = reader.docFreq(new Term(f, new BytesRef(w))); | ||
| if (df != 0) { | ||
| idfs.put(w, Math.log10(N/df)); | ||
| } | ||
| } | ||
| } | ||
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| HashMap<String,Object> ret = new HashMap<String, Object>(); | ||
| for (String fi: fieldsToLoad.keySet()) { | ||
| HashMap<String, Object> va = new HashMap<String, Object>(); | ||
| va.put("tf", tokens.get(fi)); | ||
| va.put("idf", docFreqs.get(fi)); | ||
| ret.put(fi, va); | ||
| } | ||
| rb.rsp.add("wordcloud", ret); | ||
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| } | ||
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| @Override | ||
| public String getDescription() { | ||
| return "return tokens with TF and IDF for wordcloud"; | ||
| } | ||
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| @Override | ||
| public String getSource() { | ||
| return null; | ||
| } | ||
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| } |
17 changes: 17 additions & 0 deletions
17
contrib/adsabs/src/test-files/solr/collection1/conf/solrconfig-wordcloud.xml
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| @@ -0,0 +1,17 @@ | ||
| <?xml version="1.0" ?> | ||
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| <config> | ||
| <luceneMatchVersion>${tests.luceneMatchVersion:LUCENE_CURRENT}</luceneMatchVersion> | ||
| <dataDir>${solr.data.dir:}</dataDir> | ||
| <directoryFactory name="DirectoryFactory" class="${solr.directoryFactory:solr.RAMDirectoryFactory}"/> | ||
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| <searchComponent name="wordcloud" class="solr.WordCloudComponent"/> | ||
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| <requestHandler name="standard" class="solr.StandardRequestHandler"> | ||
| <arr name="last-components"> | ||
| <str>wordcloud</str> | ||
| </arr> | ||
| </requestHandler> | ||
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| </config> |
89 changes: 89 additions & 0 deletions
89
contrib/adsabs/src/test/org/apache/solr/handler/component/TestWordCloudComponent.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| * 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.handler.component; | ||
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| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.BitSet; | ||
| import java.util.List; | ||
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| import monty.solr.util.MontySolrAbstractTestCase; | ||
| import monty.solr.util.MontySolrSetup; | ||
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| import org.apache.solr.common.util.ContentStream; | ||
| import org.apache.solr.common.util.ContentStreamBase; | ||
| import org.apache.solr.common.util.NamedList; | ||
| import org.apache.solr.request.SolrQueryRequestBase; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
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| public class TestWordCloudComponent extends MontySolrAbstractTestCase { | ||
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| @BeforeClass | ||
| public static void beforeClass() throws Exception { | ||
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| makeResourcesVisible(Thread.currentThread().getContextClassLoader(), new String[] { | ||
| MontySolrSetup.getMontySolrHome() + "/contrib/adsabs/src/test-files/solr/collection1/conf", | ||
| MontySolrSetup.getSolrHome() + "/example/solr/collection1/conf" | ||
| }); | ||
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| System.setProperty("solr.allow.unsafe.resourceloading", "true"); | ||
| schemaString = MontySolrSetup.getMontySolrHome() + "/contrib/adsabs/src/test-files/solr/collection1/conf/" | ||
| + "schema-minimal.xml"; | ||
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| configString = MontySolrSetup.getMontySolrHome() + "/contrib/adsabs/src/test-files/solr/collection1/conf/" | ||
| + "solrconfig-wordcloud.xml"; | ||
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| initCore(configString, schemaString, MontySolrSetup.getSolrHome() | ||
| + "/example/solr"); | ||
| } | ||
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| public void createIndex() { | ||
| assertU(adoc("id","1","recid","1", "text", "who")); | ||
| assertU(adoc("id","2","recid","2", "text", "is stopword")); | ||
| assertU(adoc("id","3","recid","3", "text", "able")); | ||
| assertU(adoc("id","4","recid","4", "text", "to stopword")); | ||
| assertU(adoc("id","5","recid","5", "text", "exchange")); | ||
| assertU(commit("waitSearcher", "true")); | ||
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| assertU(adoc("id","16","recid","16", "text", "liberty")); | ||
| assertU(adoc("id","17","recid","17", "text", "for stopword")); | ||
| assertU(adoc("id","18","recid","18", "text", "safety")); | ||
| assertU(adoc("id","19","recid","19", "text", "deserves")); | ||
| assertU(adoc("id","20","recid","20", "text", "neither who")); | ||
| assertU(commit("waitSearcher", "true")); | ||
| } | ||
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| @Override | ||
| public void setUp() throws Exception { | ||
| super.setUp(); | ||
| createIndex(); | ||
| } | ||
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| @Test | ||
| public void test() throws IOException, Exception { | ||
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| assertQ(req("q", "*:*", "wordcloud", "true", "wordcloud.fl", "id,text", "indent", "true"), | ||
| "//lst[@name='wordcloud']/lst[@name='text']/lst[@name='tf']/int[@name='liberty']='1'", | ||
| "//lst[@name='wordcloud']/lst[@name='text']/lst[@name='idf']/double[@name='liberty']='1.0'" | ||
| ); | ||
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| } | ||
| } | ||
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