/// <summary>
/// Get key value pair array for specific odata resource using specific entity type
/// </summary>
/// <param name="resource">The resource instance.</param>
/// <param name="serializationInfo">The serialization info of the resource for writing without model.</param>
/// <param name="actualEntityType">The edm entity type of the resource</param>
/// <param name="requiresId">Whether key properties are required to be returned</param>
/// <returns>Key value pair array</returns>
internal static KeyValuePair <string, object>[] GetKeyProperties(
ODataResourceBase resource,
ODataResourceSerializationInfo serializationInfo,
IEdmEntityType actualEntityType,
bool requiresId)
{
Debug.Assert(resource != null, "GetKeyProperties called for a null resource.");
KeyValuePair <string, object>[] keyProperties = null;
string actualEntityTypeName = string.IsNullOrEmpty(resource.TypeName) ? actualEntityType?.FullName() : resource.TypeName;
// if we have serializationInfo, try that first
if (serializationInfo != null)
{
keyProperties = ODataResourceMetadataContextWithoutModel.GetPropertiesBySerializationInfoPropertyKind(resource, ODataPropertyKind.Key, actualEntityTypeName);
}
// if we didn't get any keys from serializationInfo, try using entity type
if ((keyProperties == null || keyProperties.Length == 0) && actualEntityType != null)
{
keyProperties = GetPropertyValues(actualEntityType.Key(), resource, actualEntityType, requiresId).ToArray();
}
if (!ValidateEntityTypeHasKeyProperties(keyProperties, actualEntityTypeName, requiresId))
{
return(Enumerable.Empty <KeyValuePair <string, object> >().ToArray());
}
return(keyProperties);
}
/// <summary>
/// Get key value pair array for specifc odata resource using specifc entity type
/// </summary>
/// <param name="resource">The resource instance.</param>
/// <param name="serializationInfo">The serialization info of the resource for writing without model.</param>
/// <param name="actualEntityType">The edm entity type of the resource</param>
/// <returns>Key value pair array</returns>
internal static KeyValuePair <string, object>[] GetKeyProperties(
ODataResource resource,
ODataResourceSerializationInfo serializationInfo,
IEdmEntityType actualEntityType)
{
KeyValuePair <string, object>[] keyProperties = null;
string actualEntityTypeName = null;
if (serializationInfo != null)
{
if (String.IsNullOrEmpty(resource.TypeName))
{
throw new ODataException(Strings.ODataResourceTypeContext_ODataResourceTypeNameMissing);
}
actualEntityTypeName = resource.TypeName;
keyProperties = ODataResourceMetadataContextWithoutModel.GetPropertiesBySerializationInfoPropertyKind(resource, ODataPropertyKind.Key, actualEntityTypeName);
}
else
{
actualEntityTypeName = actualEntityType.FullName();
IEnumerable <IEdmStructuralProperty> edmKeyProperties = actualEntityType.Key();
if (edmKeyProperties != null)
{
keyProperties = edmKeyProperties.Select(p => new KeyValuePair <string, object>(p.Name, GetPrimitiveOrEnumPropertyValue(resource, p.Name, actualEntityTypeName, /*isKeyProperty*/ false))).ToArray();
}
}
ValidateEntityTypeHasKeyProperties(keyProperties, actualEntityTypeName);
return(keyProperties);
}
/// <summary>
/// Get key value pair array for specific odata resource using specific entity type
/// </summary>
/// <param name="resource">The resource instance.</param>
/// <param name="serializationInfo">The serialization info of the resource for writing without model.</param>
/// <param name="actualEntityType">The edm entity type of the resource</param>
/// <returns>Key value pair array</returns>
internal static KeyValuePair <string, object>[] GetKeyProperties(
ODataResourceBase resource,
ODataResourceSerializationInfo serializationInfo,
IEdmEntityType actualEntityType)
{
KeyValuePair <string, object>[] keyProperties = null;
string actualEntityTypeName = null;
if (serializationInfo != null)
{
if (String.IsNullOrEmpty(resource.TypeName))
{
throw new ODataException(Strings.ODataResourceTypeContext_ODataResourceTypeNameMissing);
}
actualEntityTypeName = resource.TypeName;
keyProperties = ODataResourceMetadataContextWithoutModel.GetPropertiesBySerializationInfoPropertyKind(resource, ODataPropertyKind.Key, actualEntityTypeName);
}
else
{
keyProperties = GetPropertyValues(actualEntityType.Key(), resource, actualEntityType, /*isKeyProperty*/ true, /*isRequired*/ true).ToArray();
}
ValidateEntityTypeHasKeyProperties(keyProperties, actualEntityTypeName);
return(keyProperties);
}
