/// <summary>
/// Initializes a new instance of the <see cref="Bag<T>"/> class.
/// </summary>
/// <param name="capacity">The initial capacity of the bag.</param>
/// <param name="comparer">The comparer to use when testing equality.</param>
public Bag(int capacity, IEqualityComparer <T> comparer)
{
if (comparer == null)
{
throw new ArgumentNullException("comparer");
}
data = new VisitableHashtable <T, int>(capacity, comparer);
}
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>
/// A 32-bit signed integer that indicates the relative order of the objects being compared. The return value has these meanings: Value Meaning Less than zero This instance is less than obj. Zero This instance is equal to obj. Greater than zero This instance is greater than obj.
/// </returns>
/// <exception cref="T:System.ArgumentException">obj is not the same type as this instance. </exception>
public int CompareTo(object obj)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (obj.GetType() == this.GetType())
{
VisitableHashtable <TKey, TValue> h = obj as VisitableHashtable <TKey, TValue>;
return(this.Count.CompareTo(h.Count));
}
else
{
return(this.GetType().FullName.CompareTo(obj.GetType().FullName));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Bag<T>"/> class.
/// </summary>
/// <param name="dictionary">The dictionary to copy values from.</param>
private Bag(IDictionary <T, int> dictionary)
{
#region Asserts
Debug.Assert(dictionary != null);
#endregion
data = new VisitableHashtable <T, int>(dictionary);
// Update the count
using (Dictionary <T, int> .Enumerator enumerator = data.GetEnumerator())
{
while (enumerator.MoveNext())
{
count += enumerator.Current.Value;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Bag<T>"/> class.
/// </summary>
/// <param name="capacity">The initial capacity of the bag.</param>
public Bag(int capacity)
{
data = new VisitableHashtable <T, int>(capacity);
}
/// <summary>
/// Initializes a new instance of the <see cref="Bag<T>"/> class.
/// </summary>
public Bag()
{
data = new VisitableHashtable <T, int>();
}