/// <summary>
/// Creates header element
/// </summary>
/// <param name="resource"> resource object</param>
/// <returns> instance of XElement </returns>
internal XElement GetHeaderElement(Core.Resource resource)
{
XElement header = null;
header = new XElement(Header);
header.Add(MetadataProviderHelper.GetElement(Header_Identifier, resource.Id.ToString()));
header.Add(MetadataProviderHelper.GetElement(Header_DateStamp, resource.DateModified.Value.ToString(MetadataProviderHelper.DateTimeGranularity, CultureInfo.InvariantCulture)));
ResourceType resourceTypeInfo = new CoreHelper(entityConnectionString).GetResourceType(resource);
if (resourceTypeInfo != null)
{
List <string> listOfResourceTypeInfo = new CoreHelper(entityConnectionString).GetResourceTypeHierarchy(resourceTypeInfo);
listOfResourceTypeInfo.ForEach(delegate(string resourceType)
{
header.Add(MetadataProviderHelper.GetElement(Header_SetSpec, resourceType));
});
}
return(header);
}