Examples of org.springmodules.lucene.index.factory.LuceneIndexReader

Package org.springmodules.lucene.index.factory

Examples of org.springmodules.lucene.index.factory.LuceneIndexReader

org.springmodules.lucene.index.factory.LuceneIndexReader
Interface representing the contract of the Lucene IndexReader class. It allows unit tests with this resource and improves management of this kind of resources. All the method of the IndexReader class are present in this interface and, so allow to make all the operations of this class. @author Thierry Templier @see IndexReader

      IndexReaderFactoryUtils.releaseIndexReader(indexFactory,reader);
    }
  }


  public boolean hasDeletions() {
    LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
    try {
      return reader.hasDeletions();
    } finally {
      IndexReaderFactoryUtils.releaseIndexReader(indexFactory,reader);
    }
  }

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  //-------------------------------------------------------------------------
  // Methods dealing with index informations
  //-------------------------------------------------------------------------


  public int getMaxDoc() {
    LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
    try {
      return reader.maxDoc();
    } finally {
      IndexReaderFactoryUtils.releaseIndexReader(indexFactory,reader);
    }
  }

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      IndexReaderFactoryUtils.releaseIndexReader(indexFactory,reader);
    }
  }


  public int getNumDocs() {
    LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
    try {
      return reader.numDocs();
    } finally {
      IndexReaderFactoryUtils.releaseIndexReader(indexFactory,reader);
    }
  }

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  public void updateDocument(Term identifierTerm, DocumentModifier documentModifier) {
    updateDocument(identifierTerm, documentModifier, null);
  }


  public void updateDocument(Term identifierTerm, DocumentModifier documentModifier, Analyzer analyzer) {
    LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
    LuceneSearcher searcher = null;
    Document updatedDocument = null;
    try {
      searcher = reader.createSearcher();
      LuceneHits hits = searcher.search(new TermQuery(identifierTerm));
      checkHitsForUpdate(hits);
      updatedDocument = documentModifier.updateDocument(hits.doc(0));
    } catch(Exception ex) {
      throw new LuceneIndexAccessException("Error during updating a document.", ex);

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  public void updateDocuments(Term identifierTerm, DocumentsModifier documentsModifier) {
    updateDocuments(identifierTerm, documentsModifier, null);
  }


  public void updateDocuments(Term identifierTerm, DocumentsModifier documentsModifier, Analyzer analyzer) {
    LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
    LuceneSearcher searcher = reader.createSearcher();
    List updatedDocuments = null;
    try {
      LuceneHits hits = searcher.search(new TermQuery(identifierTerm));
      updatedDocuments = documentsModifier.updateDocuments(hits);
    } catch(Exception ex) {

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  //-------------------------------------------------------------------------
  // Methods dealing with index reader and writer directly
  //-------------------------------------------------------------------------


  public Object read(ReaderCallback callback) {
    LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
    try {
      return callback.doWithReader(reader);
    } catch(Exception ex) {
      throw new LuceneIndexAccessException("Error during using the IndexReader.", ex);
    } finally {

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  public void afterPropertiesSet() throws Exception {
    if( getDirectory()!=null ) {
      Searcher searcher = new IndexSearcher(getDirectory());
      this.indexSearcher = new SimpleLuceneSearcher(searcher);
    } else if( getIndexFactory()!=null ) {
      LuceneIndexReader indexReader = IndexReaderFactoryUtils.getIndexReader(getIndexFactory());
      Searcher searcher = indexReader.createNativeSearcher();
      this.indexSearcher = new SimpleLuceneSearcher(searcher);
    } else {
      throw new LuceneSearchException("Either a Directory or an IndexReader must be specified.");
    }
  }

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  public LuceneSearcher getSearcher() throws IOException {
    if( getDirectory()!=null ) {
      Searcher indexSearcher = new IndexSearcher(getDirectory()); 
      return new SimpleLuceneSearcher(indexSearcher);
    } else if( getIndexFactory()!=null ) {
      LuceneIndexReader indexReader = IndexReaderFactoryUtils.getIndexReader(getIndexFactory());
      Searcher indexSearcher = indexReader.createNativeSearcher(); 
      return new SimpleLuceneSearcher(indexSearcher);
    } else {
      throw new LuceneSearchException("Either a Directory or an Indexreader must be specified.");
    }
  }

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  //-------------------------------------------------------------------------
  // Methods dealing with document deletions
  //-------------------------------------------------------------------------


  public void deleteDocument(int internalDocumentId) {
    LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
    try {
      reader.deleteDocument(internalDocumentId);
    } catch(IOException ex) {
      throw new LuceneIndexAccessException("Error during deleting a document.",ex);
    } finally {
      IndexReaderFactoryUtils.releaseIndexReader(indexFactory,reader);
    }

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org.springmodules.lucene.index.core.DefaultLuceneIndexTemplateTests

org.springmodules.lucene.index.factory.concurrent.LockIndexFactory

org.springmodules.lucene.index.factory.concurrent.LockIndexFactoryTests

org.springmodules.lucene.index.resource.DefaultResourceManager

org.springmodules.lucene.index.resource.DefaultResourceManagerTests

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org.springmodules.lucene.search.factory.SimpleSearcherFactory

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