/// <summary>
/// Get items via a query
/// </summary>
/// <typeparam name="T">return type, this can be a summmary type, a content type, or a class from which several content types inherit. The query will be applied across all content types which could output an item of this type.</typeparam>
/// <typeparam name="TQuery">the type in terms of which the query is expressed: the content type or possibly a class from which several content types inherit</typeparam>
/// <param name="queryBody">a function which takes an iqueryable and adds the query to the end of it</param>
/// <returns>list of items of (or cast to) return type</returns>
public IEnumerable <T> Get <T, TQuery>(Func <IQueryable <TQuery>, IQueryable <TQuery> > queryBody)
where T : class
where TQuery : class
{
if (typeof(Summary).IsAssignableFrom(typeof(T)))
{
return(Get <T, TQuery>(ContentTypeHierarchy.GetSummaryContainers(typeof(T)), queryBody));
}
else
{
return(Get <T, TQuery>(ContentTypeHierarchy.GetAssignableContentTypes(this, typeof(T)), queryBody));
}
}
/// <summary>
/// Process all content items using a contentProcessor
/// </summary>
/// <typeparam name="T">Type to which all content items must be assigned</typeparam>
/// <param name="contentProcessor">Set of methods for processing content</param>
public static void ProcessLoop <T>(this IContentProcessor contentProcessor) where T : class
{
log.InfoFormat("**Process all for {0} begins", contentProcessor.Name);
var contentTypes = ContentTypeHierarchy.GetAssignableContentTypes(typeof(T));
foreach (Type t in contentTypes)
{
Debug.WriteLine("Processing: " + t.FullName);
foreach (object content in Collator.Instance.Get <object, object>(new Type[] { t }, iq => iq))
{
try
{
contentProcessor.Process(content);
Collator.Instance.Set(null, content, new Dictionary <string, object> {
{ "setAudit", false }
});
}
catch (Exception ex)
{
try
{
Summary s = Collator.Instance.GetSummary <Summary>(content);
log.Error("Error processing content item " + s.Title + " for " + contentProcessor.Name, ex);
}
catch
{
log.Error("Error processing unidentified content item for " + contentProcessor.Name, ex);
}
}
}
}
log.InfoFormat("**Process all for {0} ends", contentProcessor.Name);
}