/// <summary>
/// Write the metadata for an OData association link; makes sure any duplicate of the link's values duplicated in metadata are equal.
/// </summary>
/// <param name="associationLink">The association link for which to write the metadata.</param>
/// <param name="owningType">The <see cref="IEdmEntityType"/> instance the association link is defined on.</param>
/// <param name="duplicatePropertyNamesChecker">The checker instance for duplicate property names.</param>
/// <param name="projectedProperties">Set of projected properties, or null if all properties should be written.</param>
internal void WriteAssociationLink(
ODataAssociationLink associationLink,
IEdmEntityType owningType,
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker,
ProjectedPropertiesAnnotation projectedProperties)
{
DebugUtils.CheckNoExternalCallers();
ValidationUtils.ValidateAssociationLinkNotNull(associationLink);
string associationLinkName = associationLink.Name;
if (projectedProperties.ShouldSkipProperty(associationLinkName))
{
return;
}
this.ValidateAssociationLink(associationLink, owningType);
duplicatePropertyNamesChecker.CheckForDuplicateAssociationLinkNames(associationLink);
AtomLinkMetadata linkMetadata = associationLink.GetAnnotation <AtomLinkMetadata>();
string linkRelation = AtomUtils.ComputeODataAssociationLinkRelation(associationLink);
AtomLinkMetadata mergedLinkMetadata = ODataAtomWriterMetadataUtils.MergeLinkMetadata(linkMetadata, linkRelation, associationLink.Url, associationLinkName, MimeConstants.MimeApplicationXml);
this.atomEntryMetadataSerializer.WriteAtomLink(mergedLinkMetadata, null /* etag*/);
}
/// <summary>
/// Writes the navigation link metadata.
/// </summary>
/// <param name="navigationLink">The navigation link to write the metadata for.</param>
/// <param name="duplicatePropertyNamesChecker">The checker instance for duplicate property names.</param>
internal void WriteNavigationLinkMetadata(ODataNavigationLink navigationLink, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(navigationLink != null, "navigationLink != null");
Debug.Assert(!string.IsNullOrEmpty(navigationLink.Name), "The navigation link Name should have been validated by now.");
Debug.Assert(duplicatePropertyNamesChecker != null, "duplicatePropertyNamesChecker != null");
Uri navigationLinkUrl = navigationLink.Url;
string navigationLinkName = navigationLink.Name;
if (navigationLinkUrl != null)
{
// The navigation link URL is a property annotation "[email protected]: 'url'"
this.JsonWriter.WritePropertyAnnotationName(navigationLinkName, ODataAnnotationNames.ODataNavigationLinkUrl);
this.JsonWriter.WriteValue(this.UriToString(navigationLinkUrl));
}
Uri associationLinkUrl = navigationLink.AssociationLinkUrl;
if (associationLinkUrl != null)
{
duplicatePropertyNamesChecker.CheckForDuplicateAssociationLinkNames(new ODataAssociationLink {
Name = navigationLinkName
});
this.WriteAssociationLink(navigationLink.Name, associationLinkUrl);
}
}
/// <summary>
/// Writes the metadata content for an association link
/// </summary>
/// <param name="associationLink">The association link to write.</param>
/// <param name="duplicatePropertyNamesChecker">The checker instance for duplicate property names.</param>
private void WriteAssociationLink(
ODataAssociationLink associationLink,
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
DebugUtils.CheckNoExternalCallers();
duplicatePropertyNamesChecker.CheckForDuplicateAssociationLinkNames(associationLink);
// Write the "LinkName": {
this.JsonWriter.WriteName(associationLink.Name);
this.JsonWriter.StartObjectScope();
// Write the "associationuri": "url"
this.JsonWriter.WriteName(JsonConstants.ODataMetadataPropertiesAssociationUriName);
this.JsonWriter.WriteValue(this.UriToAbsoluteUriString(associationLink.Url));
// Close the "LinkName" object
this.JsonWriter.EndObjectScope();
}
/// <summary>
/// Writes the navigation link metadata.
/// </summary>
/// <param name="navigationLink">The navigation link to write the metadata for.</param>
/// <param name="duplicatePropertyNamesChecker">The checker instance for duplicate property names.</param>
internal void WriteNavigationLinkMetadata(ODataNavigationLink navigationLink, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
Debug.Assert(navigationLink != null, "navigationLink != null");
Debug.Assert(!string.IsNullOrEmpty(navigationLink.Name), "The navigation link Name should have been validated by now.");
Debug.Assert(duplicatePropertyNamesChecker != null, "duplicatePropertyNamesChecker != null");
Uri navigationLinkUrl = navigationLink.Url;
string navigationLinkName = navigationLink.Name;
Uri associationLinkUrl = navigationLink.AssociationLinkUrl;
if (associationLinkUrl != null)
{
duplicatePropertyNamesChecker.CheckForDuplicateAssociationLinkNames(navigationLinkName, null);
this.WriteAssociationLink(navigationLink.Name, associationLinkUrl);
}
if (navigationLinkUrl != null)
{
// The navigation link URL is a property annotation "[email protected]: 'url'"
this.ODataAnnotationWriter.WritePropertyAnnotationName(navigationLinkName, ODataAnnotationNames.ODataNavigationLinkUrl);
this.JsonWriter.WriteValue(this.UriToString(navigationLinkUrl));
}
}