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package de.lmu.ifi.dbs.elki.database.datastore;

/*
 This file is part of ELKI:
 Environment for Developing KDD-Applications Supported by Index-Structures

 Copyright (C) 2012
 Ludwig-Maximilians-Universität München
 Lehr- und Forschungseinheit für Datenbanksysteme
 ELKI Development Team

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Affero General Public License for more details.

 You should have received a copy of the GNU Affero General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


/**
 * Represents a storage which stores multiple values per object in a record fashion.
 * 
 * @author Erich Schubert
 * 
 * @apiviz.has de.lmu.ifi.dbs.elki.database.datastore.DataStore oneway - - projectsTo
 */
public interface RecordStore {
  /**
   * Get a {@link DataStore} instance for a particular record column.
   * 
   * @param <T> Data type
   * @param col Column number
   * @param datatype data class
   * @return writable storage
   */
  public <T> DataStore<T> getStorage(int col, Class<? super T> datatype);
}