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package org.apache.tuscany.sca.domain.search.impl;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.HitCollector;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.LockObtainFailedException;
import org.apache.lucene.store.RAMDirectory;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.service.ContributionRepository;
import org.apache.tuscany.sca.domain.search.DocumentMap;
import org.apache.tuscany.sca.domain.search.DomainSearch;
import org.osoa.sca.annotations.AllowsPassByReference;
public class DomainSearchImpl implements DomainSearch {
@AllowsPassByReference
public void contributionAdded(ContributionRepository repository,
Contribution contribution) {
System.out.println("contributionAdded:");
System.out.println(repository);
System.out.println(contribution);
try {
Directory dir = new RAMDirectory();
Analyzer analyzer = new DomainSearchAnalyzer();
IndexWriter indexWriter = new IndexWriter(dir, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
DomainSearchDocumentProcessorsMap docProcessors = new DomainSearchDocumentProcessorsMap();
DocumentMap docs = new DocumentMap();
docProcessors.process(docProcessors, docs, contribution, null, "");
for (Document doc : docs.values()) {
indexWriter.addDocument(doc.createLuceneDocument());
}
indexWriter.close();
final IndexSearcher searcher = new IndexSearcher(dir);
BufferedReader consoleReader = new BufferedReader(new InputStreamReader(System.in));
QueryParser qp = new QueryParser("", analyzer);
qp.setAllowLeadingWildcard(true);
while (true) {
System.out.print("query: ");
String queryString = consoleReader.readLine();
if (queryString.equals("exit")) {
break;
}
try {
Query query = qp.parse(queryString);
searcher.search(query, new HitCollector() {
@Override
public void collect(int doc, float score) {
try {
org.apache.lucene.document.Document document = searcher.doc(doc);
List<?> fields = document.getFields();
System.out.println("---------");
System.out.println("doc = " + doc);
for (Object obj : fields) {
Field field = (Field) obj;
String[] values = document.getValues(field.name());
System.out.println(field);
for (String value : values) {
System.out.println("\t" + value);
}
}
} catch (CorruptIndexException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
} catch (ParseException e) {
System.out.println(e.getMessage());
}
System.out.println();
}
} catch (CorruptIndexException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (LockObtainFailedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void contributionRemoved(ContributionRepository repository,
Contribution contribution) {
System.out.println("contributionRemoved:");
System.out.println(repository);
System.out.println(contribution);
}
public void contributionUpdated(ContributionRepository repository,
Contribution oldContribution, Contribution contribution) {
System.out.println("contributionUpdated:");
System.out.println(repository);
System.out.println(oldContribution);
System.out.println(contribution);
}
}
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