/// <summary>
/// Builds an appropriate navigation query node (collection or single) for the given property and parent node.
/// </summary>
/// <param name="property">Navigation property.</param>
/// <param name="parent">Parent Node.</param>
/// <param name="namedValues">Named values (key values) that were included in the node we are binding, if any.</param>
/// <param name="state">State of binding.</param>
/// <param name="keyBinder">Object to perform binding on any key values that are present.</param>
/// <returns>A new CollectionNavigationNode or SingleNavigationNode to capture the navigation propety access.</returns>
internal static QueryNode GetNavigationNode(IEdmNavigationProperty property, SingleEntityNode parent, IEnumerable <NamedValue> namedValues, BindingState state, KeyBinder keyBinder)
{
ExceptionUtils.CheckArgumentNotNull(property, "property");
ExceptionUtils.CheckArgumentNotNull(parent, "parent");
ExceptionUtils.CheckArgumentNotNull(state, "state");
ExceptionUtils.CheckArgumentNotNull(keyBinder, "keyBinder");
// Handle collection navigation property
if (property.TargetMultiplicity() == EdmMultiplicity.Many)
{
CollectionNavigationNode collectionNavigationNode = new CollectionNavigationNode(property, parent);
// Doing key lookup on the collection navigation property
if (namedValues != null)
{
return(keyBinder.BindKeyValues(collectionNavigationNode, namedValues, state.Model));
}
// Otherwise it's just a normal collection of entities
return(collectionNavigationNode);
}
Debug.Assert(namedValues == null || !namedValues.Any(), "namedValues should not exist if it isn't a colleciton");
// Otherwise it's a single navigation property
return(new SingleNavigationNode(property, parent));
}
public void Init()
{
this.keyBinder = new KeyBinder(FakeBindMethods.KeyValueBindMethod);
}
/// <summary>
/// Builds an appropriate navigation query node (collection or single) for the given property and parent node.
/// </summary>
/// <param name="property">Navigation property.</param>
/// <param name="parent">Parent Node.</param>
/// <param name="namedValues">Named values (key values) that were included in the node we are binding, if any.</param>
/// <param name="state">State of binding.</param>
/// <param name="keyBinder">Object to perform binding on any key values that are present.</param>
/// <returns>A new CollectionNavigationNode or SingleNavigationNode to capture the navigation propety access.</returns>
internal static QueryNode GetNavigationNode(IEdmNavigationProperty property, SingleEntityNode parent, IEnumerable<NamedValue> namedValues, BindingState state, KeyBinder keyBinder)
{
ExceptionUtils.CheckArgumentNotNull(property, "property");
ExceptionUtils.CheckArgumentNotNull(parent, "parent");
ExceptionUtils.CheckArgumentNotNull(state, "state");
ExceptionUtils.CheckArgumentNotNull(keyBinder, "keyBinder");
// Handle collection navigation property
if (property.TargetMultiplicity() == EdmMultiplicity.Many)
{
CollectionNavigationNode collectionNavigationNode = new CollectionNavigationNode(property, parent);
// Doing key lookup on the collection navigation property
if (namedValues != null)
{
return keyBinder.BindKeyValues(collectionNavigationNode, namedValues, state.Model);
}
// Otherwise it's just a normal collection of entities
return collectionNavigationNode;
}
Debug.Assert(namedValues == null || !namedValues.Any(), "namedValues should not exist if it isn't a colleciton");
// Otherwise it's a single navigation property
return new SingleNavigationNode(property, parent);
}
public void GetNavigationNodeCreatesCollectionNavigationNodeForManyMultiplicityProperty()
{
IEdmNavigationProperty property = HardCodedTestModel.GetDogMyPeopleNavProp();
SingleEntityNode parent = new SingleEntityCastNode(null, HardCodedTestModel.GetDogType());
BindingState state = new BindingState(configuration);
KeyBinder keyBinder = new KeyBinder(FakeBindMethods.BindMethodReturningASingleDog);
var result = InnerPathTokenBinder.GetNavigationNode(property, parent, null, state, keyBinder);
result.ShouldBeCollectionNavigationNode(property);
}
public KeyBinderTests()
{
this.keyBinder = new KeyBinder(FakeBindMethods.KeyValueBindMethod);
}