/// <summary>
/// Returns a list of the supplied dependencies sorted such that all list entries
/// appear after all of the entries that they depend on
/// </summary>
private IEnumerable <SuppliedDependency> GetSuppliedDependenciesOrdered()
{
if (_suppliedDependencies == null || _suppliedDependencies.Count == 0)
{
return(Enumerable.Empty <SuppliedDependency>());
}
Func <SuppliedDependency, SuppliedDependency, bool> isDependentOn = (d1, d2) =>
{
if (d1.DependentSupplies == null || d1.DependentSupplies.Count == 0)
{
return(false);
}
if (ReferenceEquals(d2.DataSupply, null))
{
return(false);
}
return(d1.DependentSupplies.Any(s => ReferenceEquals(s, d2.DataSupply)));
};
var listSorter = new DependencyListSorter <SuppliedDependency>();
lock (_suppliedDependencies)
{
#if DETAILED_TRACE
Trace.WriteLine("Data context builder #" + Id + " sorting dependencies. Original order:");
foreach (var d in _suppliedDependencies)
{
Trace.WriteLine(" " + d);
}
#endif
var sortedList = listSorter.Sort(_suppliedDependencies, isDependentOn);
#if DETAILED_TRACE
Trace.WriteLine("Data context builder #" + Id + " Order after sorting:");
foreach (var d in sortedList)
{
Trace.WriteLine(" " + d);
}
#endif
return(sortedList);
}
}
public void Setup()
{
Reset();
_dependencyListSorter = new DependencyListSorter <TestType>();
}