/// <summary>
/// Adds the given <see cref="Microsoft.SharePoint.SPContentType"/> object to the cache.
/// </summary>
/// <param name="contentType">Content type object.</param>
/// <returns>>An <see cref="Microsoft.SharePoint.SPContentType"/> object in cache. Returned object is not necessary the same instance as the given one.</returns>
/// <exception cref="System.ArgumentNullException">Throws when input parameter <paramref name="contentType"/> is null.</exception>
public SPContentType AddContentType(SPContentType contentType)
{
CommonHelper.ConfirmNotNull(contentType, "contentType");
SPContentTypeLookupKey lookupKey = new SPContentTypeLookupKey(contentType);
return(GetOrAdd(lookupKey, contentType));
}
/// <summary>
/// Gets an <see cref="Microsoft.SharePoint.SPContentType"/> object representing list content type of the specified content type ID under the specified list.
/// </summary>
/// <param name="listUrl">Server-relative URL of the list.</param>
/// <param name="contentTypeId">List content type ID.</param>
/// <returns>An <see cref="Microsoft.SharePoint.SPContentType"/> object in cache. NULL if list content type of given content type ID does not exist, or the specified list does not exist.</returns>
/// <exception cref="System.ArgumentNullException">Throws when input parameter <paramref name="listUrl"/> is null.</exception>
public SPContentType GetContentType(string listUrl, SPContentTypeId contentTypeId)
{
CommonHelper.ConfirmNotNull(listUrl, "listUrl");
SPListLookupKey listInfo = hashtable.EnsureKeyValue(listUrl, () => GetListInfoFromUrl(listUrl));
SPContentTypeLookupKey lookupKey = new SPContentTypeLookupKey(listInfo.ListId, contentTypeId);
return(GetOrAdd(lookupKey, () => GetList(listInfo.WebId, listInfo.ListId).ContentTypes[contentTypeId]));
}
/// <summary>
/// Gets an <see cref="Microsoft.SharePoint.SPContentType"/> object representing site content type of the specified content type ID.
/// </summary>
/// <param name="contentTypeId">Content type ID.</param>
/// <returns>An <see cref="Microsoft.SharePoint.SPContentType"/> object in cache. NULL if site content type of given content type ID does not exist.</returns>
public SPContentType GetContentType(SPContentTypeId contentTypeId)
{
SPContentTypeLookupKey lookupKey = new SPContentTypeLookupKey(Guid.Empty, contentTypeId);
return(GetOrAdd(lookupKey, () => contextSite.RootWeb.ContentTypes[contentTypeId]));
}
