Example usage for org.apache.lucene.index IndexReader close

Introduction

In this page you can find the example usage for org.apache.lucene.index IndexReader close.

Prototype

@Override
public final synchronized void close() throws IOException

Source Link

Document

Closes files associated with this index.

Usage

From source file:lius.lucene.LuceneActions.java

License:Apache License

public synchronized void deleteAllDocuments(String indexDir) {
    try {/*from  www.ja v  a  2 s.  co  m*/
        Directory directory = FSDirectory.getDirectory(indexDir, false);
        IndexReader ir = IndexReader.open(directory);
        int num = ir.numDocs();
        for (int i = 0; i <= num - 1; i++) {
            ir.deleteDocument(i);
        }
        if (ir != null) {
            ir.close();
        }
    } catch (IOException e) {
        logger.error(e.getMessage());
    }
}

From source file:lius.lucene.LuceneActions.java

License:Apache License

public synchronized List ListAllDocuments(String indexDir, LiusConfig lc) {
    List documentsList = new ArrayList();
    List fieldList = lc.getBrowseFieldsToDisplay();
    Map values = null;//from   www . ja  v  a  2 s. c  o m
    LiusHit lh = null;
    try {
        Directory directory = FSDirectory.getDirectory(indexDir, false);
        IndexReader ir = IndexReader.open(directory);
        int num = ir.numDocs();
        for (int i = 0; i <= num - 1; i++) {
            lh = new LiusHit();
            values = new HashMap();
            Document luceneDoc = ir.document(i);
            lh.setDocId(i);
            for (int j = 0; j < fieldList.size(); j++) {
                LiusField lf = (LiusField) fieldList.get(j);
                Field f = luceneDoc.getField(lf.getName());
                LiusField nlf = new LiusField();
                nlf.setName(lf.getName());
                nlf.setLabel(lf.getLabel());
                if (f != null) {
                    String content = f.stringValue();
                    nlf.setValue(content);
                    values.put(lf.getName(), nlf);
                }
            }
            lh.setLiusFieldsMap(values);
            documentsList.add(lh);
        }
        if (ir != null) {
            ir.close();
        }
    } catch (IOException e) {
        logger.error(e.getMessage());
    }
    return documentsList;
}

From source file:lius.lucene.LuceneActions.java

License:Apache License

public synchronized void unDeleteAllDocuments(String indexDir) {
    try {/*w ww .  j ava2 s .c  o  m*/
        Directory directory = FSDirectory.getDirectory(indexDir, false);
        IndexReader ir = IndexReader.open(directory);
        ir.undeleteAll();
        if (ir != null) {
            ir.close();
        }
    } catch (IOException e) {
        logger.error(e.getMessage());
    }
}

From source file:lius.lucene.LuceneActions.java

License:Apache License

/**
 * Mthode permettant d'effacer un document dans l'index. Elle prend comme
 * arguments le rpertoire de l'index, le nom du champs et le contenu
 * recherch. <br/><br/>Method that erases a document from the index. Its
 * parameters are the directory of the index, the name of the field and the
 * content searched.//from   w  w  w  .  j a v a 2 s.  co m
 */

public synchronized int deleteDoc(String indexDir, String field, String content) throws LiusException {
    int nbDelete = 0;
    try {
        Directory fsDir = FSDirectory.getDirectory(indexDir, false);
        IndexReader indexReader = IndexReader.open(fsDir);
        Term t = new Term(field, content);
        nbDelete = indexReader.deleteDocuments(t);
        if (indexReader != null) {
            indexReader.close();
        }
        logger.debug("Document supprim");
    } catch (IOException e) {
        logger.error(e.getMessage());
    }
    return nbDelete;
}

From source file:lius.lucene.LuceneActions.java

License:Apache License

/**
 * Mthode permettant d'effacer un document dans l'index. Elle prend comme
 * arguments le rpertoire de l'index et un objet de type Lucene Term. <br/>
 * <br/>Method that erases a document from the index. Its parameters are the
 * directory of the index and a Lucene term object.
 *//*from  w  ww. j a  v a  2 s  .c  o m*/
public synchronized int deleteDoc(String indexDir, Term t) throws LiusException {
    int nbDelete = 0;
    try {
        Directory fsDir = FSDirectory.getDirectory(indexDir, false);
        IndexReader indexReader = IndexReader.open(fsDir);
        nbDelete = indexReader.deleteDocuments(t);
        if (indexReader != null) {
            indexReader.close();
        }
        logger.info("Document supprim");
    } catch (IOException e) {
        logger.error(e.getMessage());
    }
    return nbDelete;
}

From source file:lius.lucene.LuceneActions.java

License:Apache License

public synchronized void deleteDoc(String indexDir, int docNum) throws LiusException {

    try {//from  w w  w .j ava2  s . c  om
        Directory fsDir = FSDirectory.getDirectory(indexDir, false);
        IndexReader indexReader = IndexReader.open(fsDir);
        indexReader.deleteDocument(docNum);
        if (indexReader != null) {
            indexReader.close();
        }
        logger.info("Document supprim");
    } catch (IOException e) {
        logger.error(e.getMessage());
    }

}

From source file:lsre.utils.LuceneUtils.java

License:Open Source License

public static void closeReader(IndexReader reader) throws IOException {
    reader.close();
}

From source file:lucee.runtime.search.lucene2.LuceneSearchCollection.java

License:Open Source License

private static void close(IndexReader reader) throws SearchException {
    if (reader != null) {
        try {/*from  w  w  w. ja va2  s.c o  m*/
            reader.close();
        } catch (IOException e) {
            throw new SearchException(e);
        }
    }
}

From source file:lucee.runtime.search.lucene2.LuceneSearchCollection.java

License:Open Source License

private static void closeEL(IndexReader reader) {
    //print.out("r-closeEL");
    if (reader != null) {
        try {//from   w w  w . j  a v  a 2s  .c  om
            reader.close();
        } catch (Throwable t) {
            //throw new SearchException(t);
        }
    }
}

From source file:lucene.CosineDocumentSimilarity.java

CosineDocumentSimilarity(String s1, String s2) throws IOException {
    Directory directory = createIndex(s1, s2);
    IndexReader reader = DirectoryReader.open(directory);
    Map<String, Integer> f1 = getTermFrequencies(reader, 0);
    Map<String, Integer> f2 = getTermFrequencies(reader, 1);
    reader.close();
    v1 = toRealVector(f1);/*from w  w w  .  ja v a2 s .c  o  m*/
    v2 = toRealVector(f2);
}