/// <summary>
/// Traverses the <paramref name="source" /> tree structure recursively counting all of the
/// <see cref="Miner.Interop.ID8ListItem" /> in the tree.
/// </summary>
/// <param name="source">The list to traverse.</param>
/// <returns>
/// Returns the <see cref="int" /> representing the number of elements in the tree.
/// </returns>
public static int Count(this ID8List source)
{
if (source == null)
{
return(0);
}
return(source.Where(o => o != null).Count());
}
/// <summary>
/// Creates an <see cref="IEnumerable{T}" /> from an <see cref="ID8List" />
/// </summary>
/// <param name="source">An <see cref="ID8List" /> to create an <see cref="IEnumerable{T}" /> from.</param>
/// <param name="depth">The depth of the recursion.</param>
/// <returns>
/// An <see cref="IEnumerable{T}" /> that contains the list items from the input source.
/// </returns>
public static IEnumerable <ID8ListItem> AsEnumerable(this ID8List source, int depth)
{
if (source == null)
{
return(null);
}
return(source.Where(o => o != null, depth).Select(o => o.Value));
}
/// <summary>
/// Traverses the <paramref name="source" /> tree structure recursively selecting only those
/// <see cref="Miner.Interop.ID8ListItem" /> that satisify the <paramref name="selector" />
/// and flattens the resulting sequences into one sequence.
/// </summary>
/// <param name="source">The list to traverse.</param>
/// <param name="selector">A function to test each element for a condition in each recursion.</param>
/// <returns>
/// Returns an
/// <see cref="T:System.Collections.Generic.IEnumerable{Miner.Collections.IRecursion{Miner.Interop.ID8ListItem}}" />
/// whose elements
/// who are the result of invoking the recursive transform function on each element of the input sequence.
/// </returns>
/// <exception cref="ArgumentNullException">selector</exception>
public static IEnumerable <IRecursion <ID8ListItem> > Where(this ID8List source, Func <ID8ListItem, bool> selector)
{
if (source == null)
{
return(null);
}
if (selector == null)
{
throw new ArgumentNullException("selector");
}
return(source.Where(selector, Recursion <ID8ListItem> .Infinity));
}
/// <summary>
/// Traverses the <paramref name="source" /> tree structure recursively counting those
/// <see cref="Miner.Interop.ID8ListItem" />
/// that satisfies the <paramref name="selector" /> match test.
/// </summary>
/// <param name="source">The list to traverse.</param>
/// <param name="selector">A function to test an element for a condition.</param>
/// <returns>
/// Returns the <see cref="Int32" /> representing the number of elements that match the selector.
/// </returns>
/// <exception cref="ArgumentNullException">selector</exception>
public static int Count(this ID8List source, Func <ID8ListItem, bool> selector)
{
if (source == null)
{
return(0);
}
if (selector == null)
{
throw new ArgumentNullException("selector");
}
return(source.Where(selector).Count());
}
/// <summary>
/// Gets the automatic value (i.e. ArcFM Auto Updater) for the specified <paramref name="editEvent" /> and
/// <paramref name="guid" />.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="editEvent">The edit event.</param>
/// <param name="guid">The unique identifier.</param>
/// <returns>
/// Returns a <see cref="IMMAutoValue" /> representing the automatic value; otherwise <c>null</c>.
/// </returns>
/// <exception cref="System.ArgumentNullException">guid</exception>
public static IMMAutoValue GetAutoValue(this IMMSubtype source, mmEditEvent editEvent, Guid guid)
{
if (source == null)
{
return(null);
}
if (guid == Guid.Empty)
{
throw new ArgumentNullException("guid");
}
ID8List list = source as ID8List;
if (list == null)
{
return(null);
}
var values = list.Where(i => i.ItemType == mmd8ItemType.mmitAutoValue, 0).Select(o => o.Value);
foreach (IMMAutoValue autoValue in values.OfType <IMMAutoValue>().Where(o => o.AutoGenID != null && o.EditEvent == editEvent))
{
if (autoValue.AutoGenID.Value == null)
{
continue;
}
string autoGenID = autoValue.AutoGenID.Value.ToString();
if (string.Equals(autoGenID, guid.ToString("B"), StringComparison.InvariantCultureIgnoreCase))
{
return(autoValue);
}
}
return(null);
}
public void ID8List_Where_Equals_9()
{
var iter = _List.Where(o => o.ItemType == mmd8ItemType.mmd8itFeature);
Assert.AreEqual(9, iter.Count());
}