private ICollection <object> GetChildren(
object oObj,
ChildrenListFilter pfChildrenListFilter,
object oChildrenListFilterCriteria,
ObjectFilter pfObjectFilter,
object oObjectFilterCriteria,
EntityRelation enRelation,
bool bRecursive)
{
const int INITIAL_CHILDREN_ARRAY = 100;
ICollection <object> oChildren = new List <object>(INITIAL_CHILDREN_ARRAY);
GetChildren(
oObj,
pfChildrenListFilter,
oChildrenListFilterCriteria,
pfObjectFilter,
oObjectFilterCriteria,
enRelation,
bRecursive,
oChildren // "Out", will be filled
);
return(oChildren);
}
// Avoids reallocation of returned children ArrayList
private void GetChildren(
object oObj,
ChildrenListFilter pfChildrenListFilter,
object oChildrenListFilterCriteria,
ObjectFilter pfObjectFilter,
object oObjectFilterCriteria,
EntityRelation enRelation,
bool bRecursive,
ICollection <object> oOutChildren)
{
// Get TypeInfo of specified object
EntityTypeInfo oEntityTypeInfo =
GetEntityTypeInfo(oObj);
// Get the ChildrenLists according to EntityRelation filter
EntityChildrenListInfo[] ChildrenLists = GetChildrenListsInfo(
oEntityTypeInfo,
enRelation);
// Iterate ChildrenLists
foreach (EntityChildrenListInfo oChildrenList in ChildrenLists)
{
// Obtain list object
INamedObjectList oContainer = oChildrenList.GetValue(oObj) as INamedObjectList;
if (oContainer != null)
{
// Check if container passes filter
bool bContainerPassedFilter = (pfChildrenListFilter == null) ||
pfChildrenListFilter(oChildrenList, oChildrenListFilterCriteria);
object oEl;
for (int i = 0; i < oContainer.Count; i++)
{
oEl = oContainer[oContainer.NameByIndex(i)];
if (bContainerPassedFilter &&
(pfObjectFilter == null || pfObjectFilter(oEl, oObjectFilterCriteria)))
{
// If elements filter passed
oOutChildren.Add(oEl);
}
if (bRecursive)
{
// Recursive call for each children
GetChildren(
oEl,
pfChildrenListFilter,
oChildrenListFilterCriteria,
pfObjectFilter,
oObjectFilterCriteria,
enRelation,
bRecursive,
oOutChildren);
}
}
}
}
}
