Example usage for org.apache.lucene.search IndexSearcher IndexSearcher

Introduction

In this page you can find the example usage for org.apache.lucene.search IndexSearcher IndexSearcher.

Prototype

public IndexSearcher(IndexReaderContext context) 

Source Link

Document

Creates a searcher searching the provided top-level IndexReaderContext .

Usage

From source file:com.bewsia.script.LuceneHandler.java

License:Open Source License

public void load(String id, SEntity src) {
    try {/*from   w  ww . j a  v a2 s.co m*/
        IndexReader reader = IndexReader.open(FSDirectory.open(new File(dirIndex)));
        IndexSearcher searcher = new IndexSearcher(reader);
        TopDocs td = searcher.search(new TermQuery(new Term(SEntity.ID, id)), 1);
        if (td.totalHits > 0) {
            Document doc = searcher.doc(td.scoreDocs[0].doc);
            if (allowLoad(id, doc.get(SEntity.KIND))) {
                src.setSchema(doc.get(SEntity.SCHEMA));
                read(src, doc);
            }
        }
        searcher.close();
        reader.close();
    } catch (Exception e) {
    }
}

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From source file:com.bewsia.script.LuceneHandler.java

License:Open Source License

public int count(String kind, Query query, Filter filter, Sort sort, int max) {
    int tag = 0;/*ww  w.j a v  a 2 s . c o  m*/
    try {
        IndexReader reader = IndexReader.open(FSDirectory.open(new File(dirIndex)));
        IndexSearcher searcher = new IndexSearcher(reader);
        BooleanQuery boolQuery = new BooleanQuery();
        boolQuery.add(new BooleanClause(new TermQuery(new Term(SEntity.KIND, kind)), Occur.MUST));
        if (query != null) {
            boolQuery.add(new BooleanClause(query, Occur.MUST));
        }
        TopDocs td = null;
        if (filter != null && sort != null) {
            td = searcher.search(boolQuery, filter, max, sort);
        } else if (filter != null) {
            td = searcher.search(boolQuery, filter, max);
        } else if (sort != null) {
            td = searcher.search(boolQuery, max, sort);
        } else {
            td = searcher.search(boolQuery, max);
        }
        tag = td.totalHits;
        searcher.close();
        reader.close();
    } catch (Exception e) {
    }
    return tag;
}

---

From source file:com.bewsia.script.LuceneHandler.java

License:Open Source License

public List<SEntity> search(String kind, Query query, Filter filter, Sort sort, int max) {
    List<SEntity> tag = new ArrayList<SEntity>();
    try {/*from w w w.j  ava 2s  . co  m*/
        IndexReader reader = IndexReader.open(FSDirectory.open(new File(dirIndex)));
        IndexSearcher searcher = new IndexSearcher(reader);
        BooleanQuery boolQuery = new BooleanQuery();
        boolQuery.add(new BooleanClause(new TermQuery(new Term(SEntity.KIND, kind)), Occur.MUST));
        if (query != null) {
            boolQuery.add(new BooleanClause(query, Occur.MUST));
        }
        TopDocs td = null;
        if (filter != null && sort != null) {
            td = searcher.search(boolQuery, filter, max, sort);
        } else if (filter != null) {
            td = searcher.search(boolQuery, filter, max);
        } else if (sort != null) {
            td = searcher.search(boolQuery, max, sort);
        } else {
            td = searcher.search(boolQuery, max);
        }
        for (int i = 0; i < td.totalHits; i++) {
            SEntity item = new SEntity(this);
            Document doc = searcher.doc(td.scoreDocs[i].doc);
            item.setSchema(doc.get(SEntity.SCHEMA));
            read(item, doc);
            tag.add(item);
        }
        searcher.close();
        reader.close();
    } catch (Exception e) {
    }
    return tag;
}

---

From source file:com.bewsia.script.LuceneHandler.java

License:Open Source License

public List<SEntity> search(String kind, Query query, Filter filter, Sort sort, int pagesize, int pageno) {
    List<SEntity> tag = new ArrayList<SEntity>();
    try {/*w  w  w .j  av a 2 s .co m*/
        IndexReader reader = IndexReader.open(FSDirectory.open(new File(dirIndex)));
        IndexSearcher searcher = new IndexSearcher(reader);
        BooleanQuery boolQuery = new BooleanQuery();
        boolQuery.add(new BooleanClause(new TermQuery(new Term(SEntity.KIND, kind)), Occur.MUST));
        if (query != null) {
            boolQuery.add(new BooleanClause(query, Occur.MUST));
        }
        if (pagesize <= 0)
            pagesize = 10;
        if (pageno <= 0)
            pageno = 1;
        int max = pageno * pagesize;
        TopDocs td = null;
        if (filter != null && sort != null) {
            td = searcher.search(boolQuery, filter, max, sort);
        } else if (filter != null) {
            td = searcher.search(boolQuery, filter, max);
        } else if (sort != null) {
            td = searcher.search(boolQuery, max, sort);
        } else {
            td = searcher.search(boolQuery, max);
        }
        for (int i = (pageno - 1) * pagesize; i < td.totalHits && i < max; i++) {
            SEntity item = new SEntity(this);
            Document doc = searcher.doc(td.scoreDocs[i].doc);
            item.setSchema(doc.get(SEntity.SCHEMA));
            read(item, doc);
            tag.add(item);
        }
        searcher.close();
        reader.close();
    } catch (Exception e) {
    }
    return tag;
}

---

From source file:com.bewsia.script.LuceneHandler.java

License:Open Source License

protected void deleteEntity(String id) {
    if (id.length() == 0)
        return;/*from  w w  w.j  a  v a2s  .  c  o  m*/
    String kind = "";

    try {
        IndexReader reader = IndexReader.open(FSDirectory.open(new File(dirIndex)));
        IndexSearcher searcher = new IndexSearcher(reader);
        TopDocs td = searcher.search(new TermQuery(new Term(SEntity.ID, id)), 1);
        if (td.totalHits > 0) {
            Document doc = searcher.doc(td.scoreDocs[0].doc);
            kind = doc.get(SEntity.KIND);
        }
        searcher.close();
        reader.close();
    } catch (Exception e) {
    }
    if (kind.length() == 0)
        return;
    if (!allowDelete(id, kind))
        return;

    try {
        if (!kind.equals(KIND_QUOTA)) {
            if (!quotaDelete(id, kind))
                return;
        }
        removeBackup(id, kind);
        Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_36);
        IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_36, analyzer);
        iwc.setOpenMode(OpenMode.CREATE_OR_APPEND);
        IndexWriter writer = new IndexWriter(FSDirectory.open(new File(dirIndex)), iwc);
        writer.deleteDocuments(new Term(SEntity.ID, id));
        writer.close();
    } catch (Exception e) {
    }
}

---

From source file:com.bitplan.pdfindex.Pdfindexer.java

License:Apache License

/**
 * http://lucene.472066.n3.nabble.com/search-trough-single-pdf-document-
 * return -page-number-td598698.html//from w  w  w.  ja v  a2s.  c om
 * http://tarikguelzim.wordpress.com/2008/09/13/creating
 * -a-search-engine-to-parse-index-and-search-pdf-file-content/ search the
 * 
 * @return hits for the query
 * @param qString - the query string
 * @param idxField - the index field
 * @param limit - the maximum number of results
 * @return - the TopDocs retrieved from the index
 */
protected TopDocs searchIndex(String qString, String idxField, int limit) {
    TopDocs topDocs = null;
    Directory fsDir = null;
    Query query = null;
    QueryParser qParser = null;

    try {
        // query index
        if (debug) {
            System.out.println("Searching for " + qString + " in " + indexFile + "  field: " + idxField);
        }

        // create index searcher
        fsDir = FSDirectory.getDirectory(indexFile);
        searcher = new IndexSearcher(fsDir);
        // parse query
        qParser = new QueryParser(idxField, new StandardAnalyzer());
        if (this.autoescape)
            qString = qString.replace(" ", "\\ ");
        query = qParser.parse(qString);
        // query = QueryParser.parse(qString, idxField, new
        // StandardAnalyzer());
        if (debug)
            System.out.println("query: '" + query.toString() + "'");
        // search
        topDocs = searcher.search(query, limit);

    } catch (IOException ex) {
        System.err.println("Index file" + indexFile + " doesnt exist");
        Logger.getLogger(this.getClass().getName()).log(Level.SEVERE, null, ex);
        System.exit(1);
    } catch (ParseException ex) {
        System.err.println("Error while parsing the index.");
        Logger.getLogger(this.getClass().getName()).log(Level.SEVERE, null, ex);
    }
    return topDocs;
}

---

From source file:com.bitranger.parknshop.common.fulltext.SearchCustomer.java

License:Open Source License

public List<PsCustomer> search(String value) throws IOException {
    // get the index
    IndexReader reader = DirectoryReader.open(FSDirectory.open(BuildIndexForItem.getIndexFile()));
    // use this to search
    IndexSearcher indexSearcher = new IndexSearcher(reader);
    // use the queryParser to wrap your request
    QueryParser queryParser = new MultiFieldQueryParser(Version.LUCENE_45, queryString, analyzer);

    List<PsCustomer> customer = new ArrayList<PsCustomer>();

    Query query = null;//from w  w  w . jav  a  2s  .com
    try {
        query = queryParser.parse("title:" + value + "~");
    } catch (ParseException e) {
        e.printStackTrace();
    }
    // we get what we want in the topdocs
    TopDocs topDocs = indexSearcher.search(query, 25);
    System.out.println(":" + topDocs.totalHits + "");
    // ScoreDoc[] scoreDoc = topDocs.scoreDocs;
    for (int i = 0; i < topDocs.scoreDocs.length; i++) {
        Document resultDocument = indexSearcher.doc(topDocs.scoreDocs[i].doc);
        PsCustomer mycustomer = new PsCustomer();
        mycustomer.setNickname(resultDocument.get((indexField[0])));
        mycustomer.setEmail(resultDocument.get((indexField[1])));
        mycustomer.setPassword(resultDocument.get((indexField[2])));
        mycustomer.setGender(Short.valueOf(resultDocument.get((indexField[3]))));
        mycustomer.setName(resultDocument.get((indexField[4])));
        customer.add(mycustomer);

    }
    return customer;
}

---

From source file:com.bitranger.parknshop.common.fulltext.SearchItem.java

License:Open Source License

public List<PsItem> search(String value) throws IOException {
    // get the index
    IndexReader reader = DirectoryReader.open(FSDirectory.open(BuildIndexForItem.getIndexFile()));
    // use this to search
    IndexSearcher indexSearcher = new IndexSearcher(reader);
    // use the queryParser to wrap your request
    QueryParser queryParser = new MultiFieldQueryParser(Version.LUCENE_45, queryString, analyzer);

    List<PsItem> item = new ArrayList<PsItem>();

    Query query = null;/*w  w w.ja  va2 s .  c om*/
    try {
        query = queryParser.parse("title:" + value + "~");
    } catch (ParseException e) {
        e.printStackTrace();
    }
    // we get what we want in the topdocs
    TopDocs topDocs = indexSearcher.search(query, 25);
    System.out.println(":" + topDocs.totalHits + "");
    // ScoreDoc[] scoreDoc = topDocs.scoreDocs;
    for (int i = 0; i < topDocs.scoreDocs.length; i++) {
        Document resultDocument = indexSearcher.doc(topDocs.scoreDocs[i].doc);
        PsItem myitem = new PsItem();
        myitem.setName(resultDocument.get((indexField[0])));
        myitem.setIntroduction(resultDocument.get((indexField[1])));
        myitem.setPrice(Double.valueOf(resultDocument.get((indexField[2]))));
        myitem.setUrlPicture(resultDocument.get((indexField[3])));
        myitem.setExtra1(resultDocument.get((indexField[4])));
        myitem.setExtra2(resultDocument.get((indexField[5])));
        myitem.setCountPurchase(Integer.valueOf(resultDocument.get((indexField[6]))));
        myitem.setCountFavourite(Integer.valueOf(resultDocument.get((indexField[7]))));
        myitem.setCountClick(Integer.valueOf(resultDocument.get((indexField[8]))));
        myitem.setVote(Double.valueOf(resultDocument.get((indexField[9]))));
        item.add(myitem);

    }
    return item;
}

---

From source file:com.bitranger.parknshop.common.fulltext.SearchOrder.java

License:Open Source License

public List<PsOrder> search(String value) throws IOException {
    // get the index
    IndexReader reader = DirectoryReader.open(FSDirectory.open(BuildIndexForItem.getIndexFile()));
    // use this to search
    IndexSearcher indexSearcher = new IndexSearcher(reader);
    // use the queryParser to wrap your request
    QueryParser queryParser = new MultiFieldQueryParser(Version.LUCENE_45, queryString, analyzer);

    List<PsOrder> order = new ArrayList<PsOrder>();

    Query query = null;/*from  w w  w .  j a  v a2  s  .  c  o m*/
    try {
        query = queryParser.parse("title:" + value + "~");
    } catch (ParseException e) {
        e.printStackTrace();
    }
    // we get what we want in the topdocs
    TopDocs topDocs = indexSearcher.search(query, 25);
    System.out.println(":" + topDocs.totalHits + "");
    // ScoreDoc[] scoreDoc = topDocs.scoreDocs;
    for (int i = 0; i < topDocs.scoreDocs.length; i++) {
        Document resultDocument = indexSearcher.doc(topDocs.scoreDocs[i].doc);
        PsOrder myorder = new PsOrder();
        myorder.setId(Integer.valueOf(resultDocument.get((indexField[0]))));
        myorder.setStatus(Short.valueOf(resultDocument.get((indexField[3]))));
        myorder.setTrackingNumber(resultDocument.get((indexField[4])));
        myorder.setPriceTotal(Double.valueOf(resultDocument.get((indexField[9]))));
        order.add(myorder);

    }
    return order;
}

---

From source file:com.bitranger.parknshop.common.fulltext.SearchSeller.java

License:Open Source License

public List<PsSeller> search(String value) throws IOException {
    // get the index
    IndexReader reader = DirectoryReader.open(FSDirectory.open(BuildIndexForItem.getIndexFile()));
    // use this to search
    IndexSearcher indexSearcher = new IndexSearcher(reader);
    // use the queryParser to wrap your request
    QueryParser queryParser = new MultiFieldQueryParser(Version.LUCENE_45, queryString, analyzer);

    List<PsSeller> seller = new ArrayList<PsSeller>();

    Query query = null;/*from ww  w  . j av a  2s. co m*/
    try {
        query = queryParser.parse("title:" + value + "~");
    } catch (ParseException e) {
        e.printStackTrace();
    }
    // we get what we want in the topdocs
    TopDocs topDocs = indexSearcher.search(query, 25);
    System.out.println(":" + topDocs.totalHits + "");
    // ScoreDoc[] scoreDoc = topDocs.scoreDocs;
    for (int i = 0; i < topDocs.scoreDocs.length; i++) {
        Document resultDocument = indexSearcher.doc(topDocs.scoreDocs[i].doc);
        PsSeller myseller = new PsSeller();
        myseller.setId(Integer.valueOf(resultDocument.get((indexField[0]))));
        myseller.setNickname(resultDocument.get((indexField[1])));
        myseller.setPersonIdNum(resultDocument.get((indexField[2])));
        myseller.setEmail(resultDocument.get((indexField[3])));
        myseller.setPassword(resultDocument.get((indexField[4])));
        myseller.setStatus(Short.valueOf(resultDocument.get((indexField[5]))));
        seller.add(myseller);

    }
    return seller;
}

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