/// <summary>
/// Specifies the related objects to include in the query results.
/// </summary>
/// <param name="path">The dot-separated list of related objects to return in the query results.</param>
/// <returns>The current instance.</returns>
public QueryOptions <T> Fetch([NotNull] string path)
{
Guard.NotEmpty(path, nameof(path));
_fetchStrategy = _fetchStrategy ?? new FetchQueryStrategy <T>();
_fetchStrategy.Fetch(path);
return(this);
}
/// <summary>
/// Includes the fetch strategy which defines the child objects that should be retrieved when loading the entity and combines it with the current property pahts collection.
/// </summary>
/// <param name="fetchStrategy">Defines the child objects that should be retrieved when loading the entity.</param>
/// <returns>The current instance.</returns>
public QueryOptions <T> Include([NotNull] IFetchQueryStrategy <T> fetchStrategy)
{
Guard.NotNull(fetchStrategy, nameof(fetchStrategy));
var paths = _fetchStrategy != null ? ((IFetchQueryStrategy <T>)_fetchStrategy).PropertyPaths : new List <string>();
var mergedPaths = paths.Union(fetchStrategy.PropertyPaths).ToList();
_fetchStrategy = _fetchStrategy ?? new FetchQueryStrategy <T>();
mergedPaths.ForEach(path => _fetchStrategy.Fetch(path));
return(this);
}