1 package mircoders.producer;
6 import org.apache.lucene.analysis.standard.StandardAnalyzer;
7 import org.apache.lucene.index.*;
8 import org.apache.lucene.document.Document;
9 import org.apache.lucene.document.Field;
11 import freemarker.template.*;
15 import mir.producer.*;
16 //import mir.generator.*;
17 import mircoders.global.*;
18 import mircoders.localizer.*;
20 import mir.entity.adapter.*;
21 import mircoders.entity.*;
22 import mircoders.storage.*;
25 public class IndexingProducerNode implements ProducerNode {
26 private String contentKey;
27 private String indexPath;
30 public IndexingProducerNode(String aContentKey, String pathToIndex) {
31 contentKey = aContentKey;
32 indexPath=pathToIndex;
35 public void produce(Map aValueMap, String aVerb, PrintWriter aLogger) throws ProducerFailure {
36 IndexWriter indexWriter;
43 startTime = System.currentTimeMillis();
46 data = ParameterExpander.findValueForKey( aValueMap, contentKey );
48 if (! (data instanceof EntityAdapter)) {
49 throw new ProducerFailure("IndexingProducerNode: value of '"+contentKey+"' is not an EntityAdapter, but an " + data.getClass().getName(), null);
52 entity = ((EntityAdapter) data).getEntity();
53 if (! (entity instanceof EntityContent)) {
54 throw new ProducerFailure("IndexingProducerNode: value of '"+contentKey+"' is not a content EntityAdapter, but a " + entity.getClass().getName() + " adapter", null);
56 aLogger.println("Indexing " + (String) entity.getValue("id") + " into " + indexPath);
59 IndexReader indexReader = IndexReader.open(indexPath);
60 indexReader.delete(new Term("id",entity.getValue("id")));
63 indexWriter = new IndexWriter(indexPath, new StandardAnalyzer(), false);
64 Document theDoc = new Document();
66 // Keyword is stored and indexed, but not tokenized
67 // Text is tokenized,stored, indexed
68 // Unindexed is not tokenized or indexed, only stored
69 // Unstored is tokenized and indexed, but not stored
71 theDoc.add(Field.Keyword("id",entity.getValue("id")));
72 theDoc.add(Field.Keyword("where",entity.getValue("publish_path")+entity.getValue("id")+".shtml"));
73 theDoc.add(Field.Text("creator",entity.getValue("creator")));
74 theDoc.add(Field.Text("title",entity.getValue("title")));
75 theDoc.add(Field.Keyword("webdb_create",entity.getValue("webdb_create_formatted")));
76 theDoc.add(Field.UnStored("content_and_description",entity.getValue("description")+entity.getValue("content_data")));
79 TemplateModel topics=entity.get("to_topics");
80 aLogger.println("THE CLASS NAME WAS: "+entity.get("to_topics").getClass().getName());
81 while (((TemplateListModel)topics).hasNext()){
82 theDoc.add(Field.UnStored("topic",((TemplateHashModel)((TemplateListModel)topics).next()).get("title").toString()));
89 TemplateModel images=entity.get("to_media_images");
91 theDoc.add(Field.UnStored("media","images"));
94 TemplateModel audio=entity.get("to_media_audio");
96 theDoc.add(Field.UnStored("media","audio"));
99 TemplateModel video=entity.get("to_media_video");
101 theDoc.add(Field.UnStored("media","video"));
104 //comments-just aggregate all relevant fields
105 String commentsAggregate = "";
106 TemplateModel comments=entity.get("to_comments");
107 if (comments != null){
108 while (((TemplateListModel)comments).hasNext()){
109 TemplateModel aComment = ((TemplateListModel)comments).next();
110 commentsAggregate = commentsAggregate + " " + ((TemplateHashModel)aComment).get("title").toString()
111 + " " + ((TemplateHashModel)aComment).get("creator").toString()
112 + " " + ((TemplateHashModel)aComment).get("text").toString();
115 theDoc.add(Field.UnStored("comments",commentsAggregate));
117 indexWriter.addDocument(theDoc);
121 catch (Throwable t) {
122 aLogger.println("Error while indexing content: " + t.getMessage());
123 t.printStackTrace(aLogger);
124 //should remove index lock here.....jd
125 throw new ProducerFailure(t.getMessage(), t);
131 endTime = System.currentTimeMillis();
133 aLogger.println(" IndexTime: " + (endTime-startTime) + " ms<br>");
137 public Set buildVerbSet() {
138 return new HashSet();