/// <summary>
/// Constructs the <see cref="EntitySelfLinks" /> for a particular <see cref="EntityInstanceContext" /> and <see cref="ODataMetadataLevel" />.
/// </summary>
public virtual EntitySelfLinks BuildEntitySelfLinks(EntityInstanceContext instanceContext, ODataMetadataLevel metadataLevel)
{
EntitySelfLinks selfLinks = new EntitySelfLinks();
selfLinks.IdLink = BuildIdLink(instanceContext, metadataLevel);
selfLinks.EditLink = BuildEditLink(instanceContext, metadataLevel, selfLinks.IdLink);
selfLinks.ReadLink = BuildReadLink(instanceContext, metadataLevel, selfLinks.EditLink);
return selfLinks;
}
/// <summary>
/// Creates the <see cref="ODataEntry"/> to be written while writing this entity.
/// </summary>
/// <param name="selectExpandNode">The <see cref="SelectExpandNode"/> describing the response graph.</param>
/// <param name="entityInstanceContext">The context for the entity instance being written.</param>
/// <returns>The created <see cref="ODataEntry"/>.</returns>
public virtual ODataEntry CreateEntry(SelectExpandNode selectExpandNode, EntityInstanceContext entityInstanceContext)
{
if (selectExpandNode == null)
{
throw Error.ArgumentNull("selectExpandNode");
}
if (entityInstanceContext == null)
{
throw Error.ArgumentNull("entityInstanceContext");
}
string typeName = entityInstanceContext.EntityType.FullName();
ODataEntry entry = new ODataEntry
{
TypeName = typeName,
Properties = CreateStructuralPropertyBag(selectExpandNode.SelectedStructuralProperties, entityInstanceContext),
};
// Try to add the dynamic properties if the entity type is open.
if ((entityInstanceContext.EntityType.IsOpen && selectExpandNode.SelectAllDynamicProperties) ||
(entityInstanceContext.EntityType.IsOpen && selectExpandNode.SelectedDynamicProperties.Any()))
{
IEdmTypeReference entityTypeReference =
entityInstanceContext.EntityType.ToEdmTypeReference(isNullable: false);
List <ODataProperty> dynamicProperties = AppendDynamicProperties(entityInstanceContext.EdmObject,
(IEdmStructuredTypeReference)entityTypeReference,
entityInstanceContext.SerializerContext,
entry.Properties.ToList(),
selectExpandNode.SelectedDynamicProperties.ToArray());
if (dynamicProperties != null)
{
entry.Properties = entry.Properties.Concat(dynamicProperties);
}
}
IEnumerable <ODataAction> actions = CreateODataActions(selectExpandNode.SelectedActions, entityInstanceContext);
foreach (ODataAction action in actions)
{
entry.AddAction(action);
}
IEdmEntityType pathType = GetODataPathType(entityInstanceContext.SerializerContext);
AddTypeNameAnnotationAsNeeded(entry, pathType, entityInstanceContext.SerializerContext.MetadataLevel);
if (entityInstanceContext.NavigationSource != null)
{
if (!(entityInstanceContext.NavigationSource is IEdmContainedEntitySet))
{
IEdmModel model = entityInstanceContext.SerializerContext.Model;
NavigationSourceLinkBuilderAnnotation linkBuilder = model.GetNavigationSourceLinkBuilder(entityInstanceContext.NavigationSource);
EntitySelfLinks selfLinks = linkBuilder.BuildEntitySelfLinks(entityInstanceContext, entityInstanceContext.SerializerContext.MetadataLevel);
if (selfLinks.IdLink != null)
{
entry.Id = selfLinks.IdLink;
}
if (selfLinks.ReadLink != null)
{
entry.ReadLink = selfLinks.ReadLink;
}
if (selfLinks.EditLink != null)
{
entry.EditLink = selfLinks.EditLink;
}
}
string etag = CreateETag(entityInstanceContext);
if (etag != null)
{
entry.ETag = etag;
}
}
return(entry);
}