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

Introduction

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

Prototype

@Override
public void close() throws IOException

Source Link

Document

Closes all open resources and releases the write lock.

Usage

From source file:com.doculibre.constellio.lucene.BaseLuceneIndexHelper.java

License:Open Source License

@Override
public synchronized void delete(T object) {
    int docNum = getDocNum(object);
    if (docNum != -1) {
        try {/* ww  w  . j  ava 2  s.  c om*/
            String uniqueIndexFieldName = getUniqueIndexFieldName();
            String uniqueIndexFieldValue = getUniqueIndexFieldValue(object);
            Directory directory = FSDirectory.open(indexDir);
            if (DirectoryReader.indexExists(directory)) {
                Analyzer analyzer = analyzerProvider.getAnalyzer(Locale.FRENCH);
                IndexWriter indexWriter = new IndexWriter(directory,
                        new IndexWriterConfig(Version.LUCENE_44, analyzer));
                Term term = new Term(uniqueIndexFieldName, uniqueIndexFieldValue);
                indexWriter.deleteDocuments(term);
                indexWriter.close();
            }
            directory.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

From source file:com.doculibre.constellio.lucene.BaseLuceneIndexHelper.java

License:Open Source License

@Override
public synchronized void deleteAll() {
    try {//from  www .  ja  v a 2 s .  c  o m
        Directory directory = FSDirectory.open(indexDir);
        Analyzer analyzer = analyzerProvider.getAnalyzer(Locale.FRENCH);
        IndexWriter indexWriter = new IndexWriter(directory,
                new IndexWriterConfig(Version.LUCENE_44, analyzer));
        indexWriter.deleteAll();
        indexWriter.addDocument(new Document());
        //            indexWriter.optimize();
        indexWriter.close();
        directory.close();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.doculibre.constellio.lucene.BaseLuceneIndexHelper.java

License:Open Source License

private void createIndexIfNecessary() {
    try {/*from ww w .  j  a  v  a2s. co m*/
        Directory directory = FSDirectory.open(indexDir);
        if (!DirectoryReader.indexExists(directory)) {
            Analyzer analyzer = analyzerProvider.getAnalyzer(Locale.FRENCH);
            IndexWriter indexWriter = new IndexWriter(directory,
                    new IndexWriterConfig(Version.LUCENE_44, analyzer));
            indexWriter.addDocument(new Document());
            indexWriter.close();
        }
        directory.close();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.doculibre.constellio.lucene.BaseLuceneIndexHelper.java

License:Open Source License

public synchronized final void rebuild() {
    deleteAll();//from   w  w w.j a v  a 2 s. co m
    try {
        Directory directory = FSDirectory.open(indexDir);
        Analyzer analyzer = analyzerProvider.getAnalyzer(Locale.FRENCH);
        IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_44, analyzer);
        IndexWriter indexWriter = new IndexWriter(directory, config);
        List<T> objects = getAll();
        for (T object : objects) {
            add(object, indexWriter);
        }
        //            indexWriter.optimize();
        indexWriter.close();
        directory.close();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.doculibre.constellio.lucene.impl.SkosIndexHelperImpl.java

License:Open Source License

@Override
public void add(Thesaurus thesaurus) {
    delete(thesaurus);//from   w w  w . j ava  2 s.co m
    try {
        Directory directory = FSDirectory.open(getIndexDir());
        Analyzer analyzer = getAnalyzerProvider().getAnalyzer(Locale.FRENCH);
        IndexWriter indexWriter = new IndexWriter(directory,
                new IndexWriterConfig(Version.LUCENE_44, analyzer));

        List<SkosConcept> skosConcepts = new ArrayList<SkosConcept>();
        for (SkosConcept topConcept : thesaurus.getTopConcepts()) {
            addConceptAndSubConcepts(topConcept, skosConcepts);
        }
        for (SkosConcept skosConcept : skosConcepts) {
            add(skosConcept, indexWriter);
        }
        //            indexWriter.optimize();
        indexWriter.close();
        directory.close();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.doculibre.constellio.lucene.impl.SkosIndexHelperImpl.java

License:Open Source License

@Override
public void delete(Thesaurus thesaurus) {
    try {/*from  w w w  .ja v  a 2s.c o  m*/
        Directory directory = FSDirectory.open(getIndexDir());
        if (DirectoryReader.indexExists(directory)) {
            Analyzer analyzer = getAnalyzerProvider().getAnalyzer(Locale.FRENCH);
            IndexWriter indexWriter = new IndexWriter(directory,
                    new IndexWriterConfig(Version.LUCENE_44, analyzer));
            Term term = new Term(THESAURUS_ID, thesaurus.getId().toString());
            indexWriter.deleteDocuments(term);
            indexWriter.close();
        }
        directory.close();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.dreamerpartner.codereview.lucene.IndexHelper.java

License:Apache License

/**
 * ?/*from www  . j  a va 2 s  .c o m*/
 * @param module ?
 * @param doc
 * @param isNew
 * @param delTerm del
 * @throws IOException 
 */
@SuppressWarnings("deprecation")
public static void add(String module, Document doc, boolean isNew, Term delTerm) throws IOException {
    long beginTime = System.currentTimeMillis();
    IndexWriter writer = null;
    try {
        Directory dir = FSDirectory.open(new File(LuceneUtil.getIndexPath(module)));
        Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_4_10_0);
        IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_4_10_0, analyzer);
        iwc.setMaxBufferedDocs(100);
        iwc.setOpenMode(OpenMode.CREATE_OR_APPEND);
        //         iwc.setRAMBufferSizeMB(256.0);// ?
        writer = new IndexWriter(dir, iwc);
        if (isNew) {
            writer.addDocument(doc);
        } else {
            writer.updateDocument(delTerm, doc);
        }
        //???
        writer.commit();
    } finally {
        long endTime = System.currentTimeMillis();
        logger.debug("isNew:" + isNew + ", add consume " + (endTime - beginTime) + " milliseconds.");
        if (writer != null)
            writer.close();
    }
}

From source file:com.dreamerpartner.codereview.lucene.IndexHelper.java

License:Apache License

/**
 *  ??//from  w  ww  . j  av a  2 s  .com
 * @param module ?
 * @param docs
 * @param isNew
 * @param delTerm del
 * @throws IOException 
 */
@SuppressWarnings("deprecation")
public static void adds(String module, List<Document> docs, boolean isNew, Term delTerm) throws IOException {
    long beginTime = System.currentTimeMillis();
    IndexWriter writer = null;
    try {
        Directory dir = FSDirectory.open(new File(LuceneUtil.getIndexPath(module)));
        Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_4_10_0);
        IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_4_10_0, analyzer);
        iwc.setMaxBufferedDocs(100);
        iwc.setOpenMode(OpenMode.CREATE_OR_APPEND);
        //         iwc.setRAMBufferSizeMB(256.0);// ?
        writer = new IndexWriter(dir, iwc);
        if (isNew) {
            writer.addDocuments(docs);
        } else {
            writer.updateDocuments(delTerm, docs);
        }
        writer.commit();
    } finally {
        long endTime = System.currentTimeMillis();
        logger.debug("adds consume " + (endTime - beginTime) + " milliseconds.");
        if (writer != null)
            writer.close();
    }
}

From source file:com.dreamerpartner.codereview.lucene.IndexHelper.java

License:Apache License

/**
 * ?//from ww w .j  a  v  a  2  s  .co m
 * @param module ?
 * @param term ?
 * @throws IOException
 */
@SuppressWarnings("deprecation")
public static void delete(String module, Term... term) throws IOException {
    long beginTime = System.currentTimeMillis();
    IndexWriter writer = null;
    try {
        Directory dir = FSDirectory.open(new File(LuceneUtil.getIndexPath(module)));
        Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_4_10_0);
        IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_4_10_0, analyzer);
        iwc.setMaxBufferedDocs(100);
        iwc.setOpenMode(OpenMode.CREATE_OR_APPEND);
        writer = new IndexWriter(dir, iwc);
        writer.deleteDocuments(term);
        writer.commit();
    } finally {
        long endTime = System.currentTimeMillis();
        logger.debug(module + " delete " + (endTime - beginTime) + " milliseconds.");
        if (writer != null)
            writer.close();
    }
}

From source file:com.dreamerpartner.codereview.lucene.IndexHelper.java

License:Apache License

/**
 * ?/*from   ww w . j  a va  2  s. co  m*/
 * @param module ?
 * @throws IOException
 */
@SuppressWarnings("deprecation")
public static void deleteAll(String module) throws IOException {
    long beginTime = System.currentTimeMillis();
    IndexWriter writer = null;
    try {
        Directory dir = FSDirectory.open(new File(LuceneUtil.getIndexPath(module)));
        Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_4_10_0);
        IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_4_10_0, analyzer);
        iwc.setMaxBufferedDocs(100);
        iwc.setOpenMode(OpenMode.CREATE_OR_APPEND);
        writer = new IndexWriter(dir, iwc);
        writer.deleteAll();
        writer.commit();
    } finally {
        long endTime = System.currentTimeMillis();
        logger.debug(module + " deleteAll " + (endTime - beginTime) + " milliseconds.");
        if (writer != null)
            writer.close();
    }
}