/// <summary>
/// Finds the navigation source that a navigation property targets.
/// </summary>
/// <param name="navigationProperty">The navigation property.</param>
/// <param name="bindingPath">The binding path of the navigation property.</param>
/// <returns>The navigation source that the navigation property targets</returns>
public virtual IEdmNavigationSource FindNavigationTarget(IEdmNavigationProperty navigationProperty, IEdmPathExpression bindingPath)
{
EdmUtil.CheckArgumentNull(navigationProperty, "navigationProperty");
bindingPath = bindingPath ?? new EdmPathExpression(navigationProperty.Name);
Dictionary <string, IEdmNavigationPropertyBinding> result = EdmUtil.DictionarySafeGet(this.navigationPropertyMappings, navigationProperty);
if (result != null)
{
IEdmNavigationPropertyBinding binding = EdmUtil.DictionarySafeGet(result, bindingPath.Path);
{
if (binding != null)
{
return(binding.Target);
}
}
}
if (navigationProperty.ContainsTarget)
{
return(AddNavigationPropertyBinding(
navigationProperty,
new EdmContainedEntitySet(this, navigationProperty, bindingPath),
bindingPath)
.Target);
}
return(EdmUtil.DictionaryGetOrUpdate(
this.unknownNavigationPropertyCache,
navigationProperty,
navProperty => new EdmUnknownEntitySet(this, navProperty)));
}
/// <summary>
/// Finds the bindings of the navigation property.
/// </summary>
/// <param name="navigationProperty">The navigation property.</param>
/// <returns>The list of bindings for current navigation property.</returns>
public virtual IEnumerable <IEdmNavigationPropertyBinding> FindNavigationPropertyBindings(IEdmNavigationProperty navigationProperty)
{
EdmUtil.CheckArgumentNull(navigationProperty, "navigationProperty");
Dictionary <string, IEdmNavigationPropertyBinding> result =
EdmUtil.DictionarySafeGet(this.navigationPropertyMappings, navigationProperty);
if (result != null)
{
return(result.Select(item => item.Value));
}
return(null);
}
