content: /**
   * Copyright 2010 Karthik Kumar
   * 
   * 
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.hbasene.index;
  
  import java.io.IOException;
  
  /**
   * Transaction Log of (Lucene) Index operations. Rudimentary TF-IDF operations.
   * 
   * 
   */
  public abstract class AbstractIndexStore {
  
    /**
     * Commit the transactions.
     * 
     * @throws IOException
     */
    public abstract void commit() throws IOException;
  
    /**
     * Close the transactions.
     * 
     * @throws IOException
     */
    public abstract void close() throws IOException;
  
    /**
     * Index a given document.
     * 
     * @param key
     * @param documentIndexContext
     * @return SegmentInfo that contains a segment id and a document id.
     * @throws IOException
     */
    public abstract SegmentInfo indexDocument(final String key,
        final DocumentIndexContext documentIndexContext) throws IOException;
  
  }
  