/// <summary>
/// Initializes the EPM annotation with EPM information from the specified resource type.
/// </summary>
/// <param name="definingResourceType">Resource type to use the EPM infromation from.</param>
/// <param name="affectedResourceType">Resource type for this the EPM information is being built.</param>
private void BuildEpmForType(ResourceType definingResourceType, ResourceType affectedResourceType)
{
Debug.Assert(definingResourceType != null, "definingResourceType != null");
Debug.Assert(affectedResourceType != null, "affectedResourceType != null");
if (definingResourceType.BaseType != null)
{
this.BuildEpmForType(definingResourceType.BaseType, affectedResourceType);
}
EpmResourceTypeAnnotation epm = definingResourceType.Epm();
if (epm != null)
{
foreach (EntityPropertyMappingAttribute epmAttribute in epm.AllEpmAttributes.ToList())
{
this.epmSourceTree.Add(new EntityPropertyMappingInfo(epmAttribute, definingResourceType, affectedResourceType));
if (definingResourceType == affectedResourceType)
{
if (!PropertyExistsOnType(affectedResourceType, epmAttribute))
{
this.InheritedEpmAttributes.Add(epmAttribute);
this.OwnEpmAttributes.Remove(epmAttribute);
}
else
{
Debug.Assert(
this.OwnEpmAttributes.SingleOrDefault(attr => Object.ReferenceEquals(epmAttribute, attr)) != null,
"Own epmInfo should already have the given instance");
}
}
}
}
}
/// <summary>
/// Initializes the EPM internal information for the specified resource type and all its base types.
/// </summary>
/// <param name="resourceType">The resource type to build the EPM information for.</param>
/// <remarks>If the type in question has no EPM attributes anywhere in its hierarchy this method will do nothing.</remarks>
internal static void BuildEpm(ResourceType resourceType)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(resourceType != null, "resourceType != null");
// Walk the base types and determine if there's EPM anywhere in there.
bool hasEpm = false;
ResourceType resourceTypeToTest = resourceType;
while (resourceTypeToTest != null)
{
if (resourceTypeToTest.Epm() != null)
{
hasEpm = true;
break;
}
resourceTypeToTest = resourceTypeToTest.BaseType;
}
// If there is build the EPM information for this type and add it as annotation.
if (hasEpm)
{
EpmResourceTypeAnnotation epm = resourceType.Epm();
if (epm == null)
{
epm = new EpmResourceTypeAnnotation();
// resourceType.SetAnnotation(epm);
}
epm.BuildEpmForType(resourceType, resourceType);
}
}
/// <summary>
/// Adds an <see cref="EntityPropertyMappingAttribute"/> for the resource type.
/// </summary>
/// <param name="attribute">Given <see cref="EntityPropertyMappingAttribute"/>.</param>
public void AddEntityPropertyMappingAttribute(EntityPropertyMappingAttribute attribute)
{
ExceptionUtils.CheckArgumentNotNull(attribute, "attribute");
// EntityPropertyMapping attribute can not be added to readonly resource types.
this.ThrowIfSealed();
if (this.ResourceTypeKind != ResourceTypeKind.EntityType)
{
throw new InvalidOperationException(Strings.ResourceType_EpmOnlyAllowedOnEntityTypes(this.Name));
}
// Initialize the EPM annotation for this type
EpmResourceTypeAnnotation epm = this.Epm();
if (epm == null)
{
epm = new EpmResourceTypeAnnotation();
this.SetAnnotation(epm);
}
// And add the attribute to it
epm.OwnEpmAttributes.Add(attribute);
}
/// <summary>
/// Initializes the EPM internal information for the specified resource type and all its base types.
/// </summary>
/// <param name="resourceType">The resource type to build the EPM information for.</param>
/// <remarks>If the type in question has no EPM attributes anywhere in its hierarchy this method will do nothing.</remarks>
internal static void BuildEpm(ResourceType resourceType)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(resourceType != null, "resourceType != null");
// Walk the base types and determine if there's EPM anywhere in there.
bool hasEpm = false;
ResourceType resourceTypeToTest = resourceType;
while (resourceTypeToTest != null)
{
if (resourceTypeToTest.Epm() != null)
{
hasEpm = true;
break;
}
resourceTypeToTest = resourceTypeToTest.BaseType;
}
// If there is build the EPM information for this type and add it as annotation.
if (hasEpm)
{
EpmResourceTypeAnnotation epm = resourceType.Epm();
if (epm == null)
{
epm = new EpmResourceTypeAnnotation();
// resourceType.SetAnnotation(epm);
}
epm.BuildEpmForType(resourceType, resourceType);
}
}
/// <summary>
/// Finish writing an entry.
/// </summary>
/// <param name="entry">The entry to write.</param>
protected override void EndEntry(ODataEntry entry)
{
Debug.Assert(entry != null, "entry != null");
string typeName = entry.TypeName;
ResourceType entryType = ValidationUtils.ValidateTypeName(this.MetadataProvider, typeName, ResourceTypeKind.EntityType, false);
// Initialize the property value cache and cache the entry properties.
EntryPropertiesValueCache propertyValueCache = new EntryPropertiesValueCache(entry);
EpmResourceTypeAnnotation epmResourceTypeAnnotation = null;
if (entryType != null)
{
Debug.Assert(entryType.IsReadOnly, "The resource must be read-only to be applied to an entry.");
entryType.EnsureEpmAvailability();
epmResourceTypeAnnotation = entryType.Epm();
}
// <atom:id>idValue</atom:id>
// NOTE: do not generate a relative Uri for the ID; it is independent of xml:base
ODataAtomWriterUtils.WriteElementWithTextContent(
this.writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomIdElementName,
AtomConstants.AtomNamespace,
entry.Id);
// <category term="type" scheme="odatascheme"/>
// If no type information is provided, don't include the category element for type at all
// NOTE: the validation of the type name happened at the beginning of this method.
if (typeName != null)
{
ODataAtomWriterMetadataUtils.WriteCategory(this.writer, typeName, AtomConstants.ODataSchemeNamespace, null);
}
Uri editLink = entry.EditLink;
if (editLink != null)
{
// <link rel="edit" title="Title" href="LinkHRef"/>
ODataAtomWriterUtils.WriteReadOrEditLink(this.writer, this.BaseUri, editLink, AtomConstants.AtomEditRelationAttributeValue, typeName);
}
Uri readLink = entry.ReadLink;
if (readLink != null)
{
// <link rel="self" title="Title" href="LinkHRef"/>
ODataAtomWriterUtils.WriteReadOrEditLink(this.writer, this.BaseUri, readLink, AtomConstants.AtomSelfRelationAttributeValue, typeName);
}
// named streams
IEnumerable <ODataMediaResource> namedStreams = entry.NamedStreams;
if (namedStreams != null)
{
foreach (ODataMediaResource namedStream in namedStreams)
{
ValidationUtils.ValidateNamedStream(namedStream, this.Version);
ODataAtomWriterUtils.WriteNamedStream(this.writer, this.BaseUri, namedStream);
}
}
// association links
IEnumerable <ODataAssociationLink> associationLinks = entry.AssociationLinks;
if (associationLinks != null)
{
foreach (ODataAssociationLink associationLink in associationLinks)
{
ValidationUtils.ValidateAssociationLink(associationLink, this.Version);
ODataAtomWriterUtils.WriteAssociationLink(this.writer, this.BaseUri, entry, associationLink);
}
}
// write entry metadata including syndication EPM
AtomEntryMetadata epmEntryMetadata = null;
if (epmResourceTypeAnnotation != null)
{
ODataVersionChecker.CheckEntityPropertyMapping(this.Version, entryType);
epmEntryMetadata = EpmSyndicationWriter.WriteEntryEpm(
epmResourceTypeAnnotation.EpmTargetTree,
propertyValueCache,
entryType,
this.MetadataProvider,
this.Version);
}
ODataAtomWriterMetadataUtils.WriteEntryMetadata(this.writer, this.BaseUri, entry, epmEntryMetadata);
// write the content
this.WriteEntryContent(entry, entryType, propertyValueCache, epmResourceTypeAnnotation == null ? null : epmResourceTypeAnnotation.EpmSourceTree.Root);
// write custom EPM
if (epmResourceTypeAnnotation != null)
{
EpmCustomWriter.WriteEntryEpm(
this.writer,
epmResourceTypeAnnotation.EpmTargetTree,
propertyValueCache,
entryType,
this.MetadataProvider);
}
// </entry>
this.writer.WriteEndElement();
}
