/// <summary>
/// Created a SingleEntityCastNode with the given source node and the given type to cast to.
/// </summary>
/// <param name="source"> Source <see cref="SingleValueNode"/> that is being cast.</param>
/// <param name="entityType">Type to cast to.</param>
/// <exception cref="System.ArgumentNullException">Throws if the input entityType is null.</exception>
public SingleEntityCastNode(SingleEntityNode source, IEdmEntityType entityType)
{
ExceptionUtils.CheckArgumentNotNull(entityType, "entityType");
this.source = source;
this.entitySet = source != null ? source.EntitySet : null;
this.entityTypeReference = new EdmEntityTypeReference(entityType, false);
}
/// <summary>
/// Creates a CollectionNavigationNode.
/// </summary>
/// <param name="navigationProperty">The navigation property that defines the collection node.</param>
/// <param name="source">The parent of this collection navigation node.</param>
/// <returns>The collection node.</returns>
/// <exception cref="System.ArgumentNullException">Throws if the input source or navigation property is null.</exception>
/// <exception cref="ArgumentException">Throws if the input navigation doesn't target a collection.</exception>
public CollectionNavigationNode(IEdmNavigationProperty navigationProperty, SingleEntityNode source)
: this(navigationProperty)
{
ExceptionUtils.CheckArgumentNotNull(source, "source");
this.source = source;
this.entitySet = source.EntitySet != null?source.EntitySet.FindNavigationTarget(navigationProperty) : null;
}
/// <summary>
/// Constructs a SingleNavigationNode.
/// </summary>
/// <param name="navigationProperty">The navigation property this node represents.</param>
/// <param name="source">The previous node in the path.</param>
/// <exception cref="System.ArgumentNullException">Throws if the input navigationProperty or source is null.</exception>
/// <exception cref="ArgumentException">Throws if the input navigationProperty targets more than one entity.</exception>
public SingleNavigationNode(IEdmNavigationProperty navigationProperty, SingleEntityNode source)
{
ExceptionUtils.CheckArgumentNotNull(navigationProperty, "navigationProperty");
ExceptionUtils.CheckArgumentNotNull(source, "source");
EdmMultiplicity multiplicity = navigationProperty.TargetMultiplicityTemporary();
if (multiplicity != EdmMultiplicity.One && multiplicity != EdmMultiplicity.ZeroOrOne)
{
throw new ArgumentException(ODataErrorStrings.Nodes_CollectionNavigationNode_MustHaveSingleMultiplicity);
}
this.source = source;
this.navigationProperty = navigationProperty;
this.entityTypeReference = (IEdmEntityTypeReference)this.NavigationProperty.Type;
this.entitySet = source.EntitySet != null?source.EntitySet.FindNavigationTarget(navigationProperty) : null;
}
