/// <summary>
/// Initializes a new instance of the <see cref="FetchQueryModelBuilder"/> class.
/// </summary>
/// <param name="fetchRequest">The fetch request.</param>
/// <param name="queryModel">The query model for which the <paramref name="fetchRequest"/> was originally defined.</param>
/// <param name="resultOperatorPosition">The result operator position where the <paramref name="fetchRequest"/> was originally located.
/// The <see cref="FetchQueryModelBuilder"/> will include all result operators prior to this position into the fetch <see cref="SourceItemQueryModel"/>,
/// but it will not include any result operators occurring after (or at) that position.</param>
public FetchQueryModelBuilder(FetchRequestBase fetchRequest, QueryModel queryModel, int resultOperatorPosition)
{
ArgumentUtility.CheckNotNull("fetchRequest", fetchRequest);
ArgumentUtility.CheckNotNull("queryModel", queryModel);
FetchRequest = fetchRequest;
SourceItemQueryModel = queryModel;
ResultOperatorPosition = resultOperatorPosition;
}
/// <summary>
/// Gets or adds an eager-fetch request to this <see cref="FetchRequestCollection"/>.
/// </summary>
/// <param name="fetchRequest">The <see cref="FetchRequestBase"/> to be added.</param>
/// <returns>
/// <paramref name="fetchRequest"/> or, if another <see cref="FetchRequestBase"/> for the same relation member already existed,
/// the existing <see cref="FetchRequestBase"/>.
/// </returns>
public FetchRequestBase GetOrAddFetchRequest(FetchRequestBase fetchRequest)
{
ArgumentUtility.CheckNotNull("fetchRequest", fetchRequest);
FetchRequestBase existingFetchRequest;
if (_fetchRequests.TryGetValue(fetchRequest.RelationMember, out existingFetchRequest))
{
return(existingFetchRequest);
}
else
{
_fetchRequests.Add(fetchRequest.RelationMember, fetchRequest);
return(fetchRequest);
}
}
/// <summary>
/// Gets or adds an inner eager-fetch request for this <see cref="FetchRequestBase"/>.
/// </summary>
/// <param name="fetchRequest">The <see cref="FetchRequestBase"/> to be added.</param>
/// <returns>
/// <paramref name="fetchRequest"/> or, if another <see cref="FetchRequestBase"/> for the same relation member already existed,
/// the existing <see cref="FetchRequestBase"/>.
/// </returns>
public FetchRequestBase GetOrAddInnerFetchRequest(FetchRequestBase fetchRequest)
{
ArgumentUtility.CheckNotNull("fetchRequest", fetchRequest);
return(_innerFetchRequestCollection.GetOrAddFetchRequest(fetchRequest));
}