public override object Get(object key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (references.ContainsKey(key))
{
return(references[key]);
}
if (ParentLocator != null)
{
return(ParentLocator.Get(key));
}
return(null);
}
/// <summary>
/// Gets an object from the locator, registered with the given key.
/// </summary>
/// <param name="key">The key that the object is registered with.</param>
/// <returns>The object, if found; null otherwise.</returns>
/// <exception cref="ArgumentNullException">Key is null.</exception>
public override object Get(object key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
object value;
if (references.TryGet(key, out value))
{
return(value);
}
if (ParentLocator != null)
{
return(ParentLocator.Get(key));
}
return(null);
}
/// <summary>
/// See <see cref="IReadableLocator.Get(object, SearchMode)"/> for more information.
/// </summary>
public override object Get(object key, SearchMode options)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (!Enum.IsDefined(typeof(SearchMode), options))
{
throw new ArgumentException(Properties.Resources.InvalidEnumerationValue, "options");
}
if (references.ContainsKey(key))
{
return(references[key]);
}
if (options == SearchMode.Up && ParentLocator != null)
{
return(ParentLocator.Get(key, options));
}
return(null);
}
