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package com.hardcode.gdbms.engine.data.driver;

import java.io.IOException;

import com.hardcode.gdbms.engine.data.edition.DataWare;

/**

 * Interfaz que define los m?todos de acceso de lectura

 *

 * @author Fernando Gonz?lez Cort?s

 */

public interface ObjectDriver extends GDBMSDriver, ReadAccess {

    /**

     * Gets the primary key field indexes

     *

     * @return int[]

     *

     * @throws DriverException If the operation fails

     */

    public int[] getPrimaryKeys() throws DriverException;

    /**

     * Writes the content in the DataWare to the specified file

     *

     * @param dataWare DataWare with the contents

     */

    void write(DataWare dataWare) throws DriverException;

    public void reload() throws IOException, DriverException;

}