/// <summary>
/// Returns the list to which the specified property key is mapped, or
/// an empty list if this properties contains no mapping for the property key.
/// Note that the empty list is not mapped to the property key.
/// </summary>
/// <param name="property">
/// the property key whose associated list is to be returned
/// </param>
/// <returns>
/// the list to which the specified property key is mapped, or
/// an empty list if this properties contains no mapping for the property key
/// </returns>
/// <seealso cref= # addListItem( PropertyListKey, Object
/// )
/// </seealso>
public virtual IList <T> Get <T>(PropertyListKey <T> property)
{
if (Contains(property))
{
return((IList <T>)properties[property.Name]);
}
return(new List <T>());
}
/// <summary>
/// Append the value to the list to which the specified property key is mapped. If
/// this properties contains no mapping for the property key, the value append to
/// a new list witch is associate the the specified property key.
/// </summary>
/// @param
/// <T>
/// the type of elements in the list </param>
/// <param name="property">
/// the property key whose associated list is to be added
/// </param>
/// <param name="value">
/// the value to be appended to list
/// </param>
public virtual void AddListItem <T>(PropertyListKey <T> property, T value)
{
var list = Get(property);
list.Add(value);
if (!Contains(property))
{
Set(property, list);
}
}
/// <summary>
/// Returns <code>true</code> if this properties contains a mapping for the specified property key.
/// </summary>
/// <param name="property">
/// the property key whose presence is to be tested
/// </param>
/// <returns> <code>true</code> if this properties contains a mapping for the specified property key </returns>
public virtual bool Contains <TK>(PropertyListKey <TK> property)
{
return(properties.ContainsKey(property.Name));
}
/// <summary>
/// Associates the specified list with the specified property key. If the properties previously contained a mapping for
/// the property key, the old
/// value is replaced by the specified list.
/// </summary>
/// @param
/// <T>
/// the type of elements in the list </param>
/// <param name="property">
/// the property key with which the specified list is to be associated
/// </param>
/// <param name="value">
/// the list to be associated with the specified property key
/// </param>
public virtual void Set <T>(PropertyListKey <T> property, IList <T> value)
{
properties[property.Name] = value;
}
