IFastDaoUpdater.cs

// Copyright (c) 2004-2010 Azavea, Inc.
// 
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// 
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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using System.Collections.Generic;

namespace Azavea.Open.DAO
{
    /// <summary>
    /// This interface defines the "update" methods of a FastDAO.
    /// </summary>
    /// <typeparam name="T">The type of object that can be written.</typeparam>
    public interface IFastDaoUpdater<T> : IFastDaoBase<T> where T : class, new()
    {
        /// <summary>
        /// Updates this object's record in the data source.
        /// </summary>
        /// <param name="obj">The object to save.</param>
        void Update(T obj);

        /// <summary>
        /// Updates this object's record in the data source.
        /// </summary>
        /// <param name="transaction">The transaction to do this as part of. May be null.</param>
        /// <param name="obj">The object to save.</param>
        void Update(ITransaction transaction, T obj);

        /// <summary>
        /// Updates a bunch of records, hopefully faster than
        /// separate calls to Update().  Whether it is actually faster depends on
        /// the implementation.
        /// </summary>
        /// <param name="updateUs">List of objects to save.</param>
        void Update(IEnumerable<T> updateUs);
        /// <summary>
        /// Updates a bunch of records, hopefully faster than
        /// separate calls to Update().  Whether it is actually faster depends on
        /// the implementation.
        /// </summary>
        /// <param name="transaction">The transaction to do this as part of. May be null.</param>
        /// <param name="updateUs">List of objects to save.</param>
        void Update(ITransaction transaction, IEnumerable<T> updateUs);
    }
}