using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.Synchronization
{
    /// <summary>
    /// Represents a database comparison engine.
    /// </summary>
    /// <seealso cref="System.IDisposable" />
    public interface IDBComparer : IDisposable
    {
        /// <summary>
        /// Used to notify about the comparer progress using text messages.
        /// </summary>
        event EventHandler<String> Progress;

        /// <summary>
        /// Performs a database comparison and returns a set of differences.
        /// </summary>
        /// <returns></returns>
        List<Diff> Compare();
    }
}