Examples of org.springmodules.lucene.index.document.handler.database.SqlDocumentHandler

Package org.springmodules.lucene.index.document.handler.database

Examples of org.springmodules.lucene.index.document.handler.database.SqlDocumentHandler

org.springmodules.lucene.index.document.handler.database.SqlDocumentHandler
This is the abstract class which specifies the way to index a database row basing a JDBC ResultSet.
These handlers must be registred on the DatabaseIndexer to be used. This latter class executes every registred sql requests thanks to the Spring JBDC framework and uses the getDocument callback to determine the way to index every row a JDBC ResultSet. @author Thierry Templier @see SqlRequest @see DatabaseIndexer#registerDocumentHandler(SqlRequest,SqlDocumentHandler) @see DatabaseIndexer#unregisterDocumentHandler(SqlRequest)


    //Register a document handler
    SqlRequest request = new SqlRequest("select * from test");
    assertNull(indexer.getDocumentHandler(request));


    indexer.registerDocumentHandler(request,new SqlDocumentHandler() {
      public Document getDocument(SqlRequest request, ResultSet rs) throws SQLException {
        return null;
      }
    });

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    //Indexer
    DefaultDatabaseIndexer indexer = new DefaultDatabaseIndexer(indexFactory);


    //Register a document handler
    SqlRequest request = new SqlRequest("select * from test");
    indexer.registerDocumentHandler(request, new SqlDocumentHandler() {
      public Document getDocument(SqlRequest request, ResultSet rs) throws SQLException {
        return null;
      }
    });
    assertNotNull(indexer.getDocumentHandler(request));

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    listenerControl.replay();
    
    //Indexer
    final boolean[] called = new boolean[] { false, false };
    DefaultDatabaseIndexer indexer = new DefaultDatabaseIndexer(indexFactory);
    indexer.registerDocumentHandler(request1, new SqlDocumentHandler() {
      public Document getDocument(SqlRequest request, ResultSet rs) throws SQLException {
        called[0] = true;
        return document1;
      }
    });
    indexer.registerDocumentHandler(request2, new SqlDocumentHandler() {
      public Document getDocument(SqlRequest request, ResultSet rs) throws SQLException {
        called[1] = true;
        return document2;
      }
    });

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    listenerControl.replay();
    
    //Indexer
    final boolean[] called = new boolean[] { false };
    DefaultDatabaseIndexer indexer = new DefaultDatabaseIndexer(indexFactory);
    indexer.registerDocumentHandler(request1, new SqlDocumentHandler() {
      public Document getDocument(SqlRequest request, ResultSet rs) throws SQLException {
        called[0] = true;
        return document1;
      }
    });

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    listenerControl.replay();
    
    //Indexer
    final boolean[] called = new boolean[] { false, false };
    DefaultDatabaseIndexer indexer = new DefaultDatabaseIndexer(indexFactory);
    indexer.registerDocumentHandler(request1, new SqlDocumentHandler() {
      public Document getDocument(SqlRequest request, ResultSet rs) throws SQLException {
        called[0] = true;
        return document1;
      }
    });
    indexer.registerDocumentHandler(request2, new SqlDocumentHandler() {
      public Document getDocument(SqlRequest request, ResultSet rs) throws SQLException {
        called[1] = true;
        return document2;
      }
    });

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    LuceneIndexWriter writer = IndexWriterFactoryUtils.getIndexWriter(getIndexFactory());
    try {
      Set requests = requestDocumentHandlers.keySet();
      for(Iterator i=requests.iterator(); i.hasNext();) {
        SqlRequest request = (SqlRequest)i.next();
        SqlDocumentHandler handler = (SqlDocumentHandler)requestDocumentHandlers.get(request);
        doHandleRequest(writer, dataSource, request, handler);
      }
      //Optimize the index
      if( optimizeIndex ) {
        writer.optimize();

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  }


  public void prepareDatabaseHandlers() {
    //Register the request handler for book_page table without parameters
    this.indexer.registerDocumentHandler(new SqlRequest("select book_page_text from book_page"),
    new SqlDocumentHandler() {
      public Document getDocument(SqlRequest request, ResultSet rs) throws SQLException {
        Document document = new Document();
        document.add(new Field("contents", rs.getString("book_page_text"), Field.Store.YES, Field.Index.TOKENIZED));
        document.add(new Field("request", request.getSql(), Field.Store.YES, Field.Index.UN_TOKENIZED));
        return document;

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Related Classes of org.springmodules.lucene.index.document.handler.database.SqlDocumentHandler

org.springmodules.lucene.index.object.database.DatabaseIndexerTests

org.springmodules.lucene.index.object.database.DefaultDatabaseIndexer

org.springmodules.samples.lucene.ui.console.indexing.SimpleDatabaseIndexingImpl

org.springmodules.lucene.index.DocumentHandlerException

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