/// <summary>
/// Read the source file, the new File, get the records and write
/// them to a destination file. (record not in first file but in
/// second will be written to the third)
/// </summary>
/// <param name="sourceFile">The file with the source records.</param>
/// <param name="newFile">The file with the new records.</param>
/// <param name="destFile">The destination file.</param>
/// <returns>The new records on the new file.</returns>
public T[] WriteNewRecords(string sourceFile, string newFile, string destFile)
{
FileHelperEngine <T> engine = CreateEngineAndClearErrors();
T[] res = OnlyNewRecords(sourceFile, newFile);
engine.WriteFile(destFile, res);
ErrorManager.AddErrors(engine.ErrorManager);
return(res);
}
/// <summary>
/// Returns the duplicated records in both files.
/// </summary>
/// <param name="file1">A file with records.</param>
/// <param name="file2">A file with records.</param>
/// <returns>The records that appear in both files.</returns>
public T[] OnlyDuplicatedRecords(string file1, string file2)
{
FileHelperEngine <T> engine = CreateEngineAndClearErrors();
T[] olds = engine.ReadFile(file1);
ErrorManager.AddErrors(engine.ErrorManager);
T[] currents = engine.ReadFile(file2);
ErrorManager.AddErrors(engine.ErrorManager);
var news = new List <T>();
ApplyDiffInBoth(currents, olds, news);
return(news.ToArray());
}
/// <summary>Returns the records in newFile that not are in the sourceFile</summary>
/// <param name="sourceFile">The file with the old records.</param>
/// <param name="newFile">The file with the new records.</param>
/// <returns>The records in newFile that not are in the sourceFile</returns>
public T[] OnlyMissingRecords(string sourceFile, string newFile)
{
FileHelperEngine <T> engine = CreateEngineAndClearErrors();
T[] olds = engine.ReadFile(sourceFile);
ErrorManager.AddErrors(engine.ErrorManager);
T[] currents = engine.ReadFile(newFile);
ErrorManager.AddErrors(engine.ErrorManager);
var news = new List <T>();
ApplyDiffOnlyIn1(olds, currents, news);
return(news.ToArray());
}
