/// <summary>
/// Constructs a KeyLookupNode.
/// </summary>
/// <param name="source">The collection that this key is referring to.</param>
/// <param name="keyPropertyValues">List of the properties and their values that we use to look up our return value.</param>
/// <exception cref="System.ArgumentNullException">Throws if the input source is null.</exception>
public KeyLookupNode(EntityCollectionNode source, IEnumerable <KeyPropertyValue> keyPropertyValues)
{
ExceptionUtils.CheckArgumentNotNull(source, "source");
this.source = source;
this.entitySet = source.EntitySet;
this.entityTypeReference = source.EntityItemType;
this.keyPropertyValues = keyPropertyValues;
}
/// <summary>
/// Creates a <see cref="EntityRangeVariable"/>.
/// </summary>
/// <param name="name"> The name of the associated any/all parameter (null if none)</param>
/// <param name="entityType">The entity type of each item in the collection that this range variable iterates over.</param>
/// <param name="entitySet">The Entity set of the collection this node iterates over.</param>
/// <exception cref="System.ArgumentNullException">Throws if the input name or entityType is null.</exception>
public EntityRangeVariable(string name, IEdmEntityTypeReference entityType, IEdmEntitySet entitySet)
{
ExceptionUtils.CheckArgumentNotNull(name, "name");
ExceptionUtils.CheckArgumentNotNull(entityType, "entityType");
this.name = name;
this.entityTypeReference = entityType;
this.entityCollectionNode = null;
this.entitySet = entitySet;
}
/// <summary>
/// Create a CollectionCastNode with the given source node and the given target type.
/// </summary>
/// <param name="source">Parent <see cref="CollectionNode"/> that is being cast.</param>
/// <param name="entityType">Type to cast to.</param>
/// <exception cref="System.ArgumentNullException">Throws if the input source or entityType are null.</exception>
public EntityCollectionCastNode(EntityCollectionNode source, IEdmEntityType entityType)
{
ExceptionUtils.CheckArgumentNotNull(source, "source");
ExceptionUtils.CheckArgumentNotNull(entityType, "entityType");
this.source = source;
this.edmTypeReference = new EdmEntityTypeReference(entityType, false);
this.entitySet = source.EntitySet;
// creating a new collection type here because the type in the request is just the item type, there is no user-provided collection type.
this.collectionTypeReference = EdmCoreModel.GetCollection(this.edmTypeReference);
}
