private static void CheckRename(DataBase old, DataBase @new, DatabaseMetaChange metaChange)
{
if (!old.Name.Equals(@new.Name))
{
metaChange.Set(DatabaseChanges.Rename);
}
}
private static void CheckAddition(DataBase old, DataBase @new, DatabaseMetaChange metaChange)
{
if (old == null)
{
metaChange.Set(DatabaseChanges.Addition);
}
}
private static void CheckDeletion(DataBase old, DataBase @new, DatabaseMetaChange metaChange)
{
if (@new == null)
{
metaChange.Set(DatabaseChanges.Deletion);
}
}
/// <summary>
/// Check for metadata changes
/// </summary>
/// <param name="old">Old version</param>
/// <param name="new">New version</param>
/// <returns>DatabaseMetaChange object</returns>
private static DatabaseMetaChange DetectChanges(DataBase old, DataBase @new)
{
var metaChange = new DatabaseMetaChange(old, @new);
CheckAddition(old, @new, metaChange);
CheckDeletion(old, @new, metaChange);
// Check if added or removed. If that is the case, a rename wouldn't make any sense.
if (!metaChange.IsSet(DatabaseChanges.Addition | DatabaseChanges.Deletion))
{
CheckRename(old, @new, metaChange);
}
return(metaChange);
}
