/// <summary>
/// Binds the given navigation property to the target navigation source.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <param name="targetNavigationSource">The target navigation source.</param>
/// <param name="bindingPath">The binding path.</param>
/// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual NavigationPropertyBindingConfiguration AddBinding(NavigationPropertyConfiguration navigationConfiguration,
NavigationSourceConfiguration targetNavigationSource, IList <MemberInfo> bindingPath)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
if (targetNavigationSource == null)
{
throw Error.ArgumentNull("targetNavigationSource");
}
if (bindingPath == null || !bindingPath.Any())
{
throw Error.ArgumentNull("bindingPath");
}
this.VerifyBindingPath(navigationConfiguration, bindingPath);
string path = bindingPath.ConvertBindingPath();
Dictionary <string, NavigationPropertyBindingConfiguration> navigationPropertyBindingMap;
NavigationPropertyBindingConfiguration navigationPropertyBinding;
if (this._navigationPropertyBindings.TryGetValue(navigationConfiguration, out navigationPropertyBindingMap))
{
if (navigationPropertyBindingMap.TryGetValue(path, out navigationPropertyBinding))
{
if (navigationPropertyBinding.TargetNavigationSource != targetNavigationSource)
{
throw Error.NotSupported(SRResources.RebindingNotSupported);
}
}
else
{
navigationPropertyBinding = new NavigationPropertyBindingConfiguration(navigationConfiguration,
targetNavigationSource, bindingPath);
this._navigationPropertyBindings[navigationConfiguration][path] = navigationPropertyBinding;
}
}
else
{
this._navigationPropertyBindings[navigationConfiguration] =
new Dictionary <string, NavigationPropertyBindingConfiguration>();
navigationPropertyBinding = new NavigationPropertyBindingConfiguration(navigationConfiguration,
targetNavigationSource, bindingPath);
this._navigationPropertyBindings[navigationConfiguration][path] = navigationPropertyBinding;
}
return(navigationPropertyBinding);
}
private static string ConvertBindingPath(EdmTypeMap edmMap, NavigationPropertyBindingConfiguration binding)
{
IList <string> bindings = new List <string>();
foreach (var bindingInfo in binding.Path)
{
Type typeCast = bindingInfo as Type;
PropertyInfo propertyInfo = bindingInfo as PropertyInfo;
if (typeCast != null)
{
IEdmType edmType = edmMap.EdmTypes[typeCast];
bindings.Add(edmType.FullTypeName());
}
else if (propertyInfo != null)
{
bindings.Add(edmMap.EdmProperties[propertyInfo].Name);
}
}
return(String.Join("/", bindings));
}
