/// <summary>
/// Overrides the method in QueryHelper to perform the $expands in NHibernate.
/// Also populates the ExpandTypeMap that controls lazy initialization and serialization.
/// </summary>
/// <param name="queryable"></param>
/// <param name="expandsQueryString"></param>
/// <returns></returns>
public override IQueryable ApplyExpand(IQueryable queryable, string expandsQueryString)
{
if (string.IsNullOrWhiteSpace(expandsQueryString)) return queryable;
var session = GetSession(queryable);
var fetcher = new NHEagerFetch(session.SessionFactory);
queryable = fetcher.ApplyExpansions(queryable, expandsQueryString, expandMap);
return queryable;
}
/// <summary>
/// Overrides the method in QueryHelper to perform the $expands in NHibernate.
/// Also populates the ExpandTypeMap that controls lazy initialization and serialization.
/// </summary>
/// <param name="queryable"></param>
/// <param name="expandsQueryString"></param>
/// <returns></returns>
public override IQueryable ApplyExpand(IQueryable queryable, ODataQueryOptions queryOptions)
{
var expandQueryString = queryOptions.RawValues.Expand;
if (string.IsNullOrWhiteSpace(expandQueryString)) return queryable;
var session = GetSession(queryable);
var fetcher = new NHEagerFetch(session.SessionFactory);
queryable = fetcher.ApplyExpansions(queryable, expandQueryString, expandMap);
return queryable;
}
/// <summary>
/// Performs expands based on the list of strings in queryable.GetIncludes().
/// Also populates the ExpandTypeMap that controls lazy initialization and serialization.
/// </summary>
/// <param name="queryable"></param>
/// <returns></returns>
public IQueryable ApplyExpand(IQueryableInclude queryable)
{
var expands = queryable.GetIncludes();
if (expands == null || expands.Count == 0) return queryable;
var session = GetSession(queryable);
var fetcher = new NHEagerFetch(session.SessionFactory);
var expandedQueryable = fetcher.ApplyExpansions(queryable, expands.ToArray(), expandMap);
return expandedQueryable;
}
/// <summary>
/// Recursively forces loading of each NHibernate proxy in the tree that matches an entry in the map.
/// </summary>
/// <param name="list">Top-level collection of objects</param>
/// <param name="expandMap">Properties to initialize for each type</param>
public static void InitializeList <T>(IEnumerable <T> list, params string[] expandPaths)
{
var expandMap = NHEagerFetch.MapExpansions(typeof(T), expandPaths);
var map = expandMap.map;
var depth = expandMap.maxDepth;
foreach (var el in list)
{
InitializeWithCascade(el, map, depth);
}
}
/// <summary>
/// Overrides the method in QueryHelper to perform the $expands in NHibernate.
/// Also populates the ExpandTypeMap that controls lazy initialization and serialization.
/// </summary>
/// <param name="queryable"></param>
/// <param name="expandsQueryString"></param>
/// <returns></returns>
public override IQueryable ApplyExpand(IQueryable queryable, string expandsQueryString)
{
if (string.IsNullOrWhiteSpace(expandsQueryString))
{
return(queryable);
}
var session = GetSession(queryable);
var fetcher = new NHEagerFetch(session.SessionFactory);
queryable = fetcher.ApplyExpansions(queryable, expandsQueryString, expandMap);
return(queryable);
}
/// <summary>
/// Performs expands based on the list of strings in queryable.GetIncludes().
/// Also populates the ExpandTypeMap that controls lazy initialization and serialization.
/// </summary>
/// <param name="queryable"></param>
/// <returns></returns>
public IQueryable ApplyExpand(IQueryableInclude queryable)
{
var expands = queryable.GetIncludes();
if (expands == null || expands.Count == 0)
{
return(queryable);
}
var session = GetSession(queryable);
var fetcher = new NHEagerFetch(session.SessionFactory);
var expandedQueryable = fetcher.ApplyExpansions(queryable, expands.ToArray(), expandMap);
return(expandedQueryable);
}