public void TestSerializationOfReportResultCacheKey( )
{
/////
// Get the AA_All Fields Report since it has rollups.
/////
long reportId = Entity.GetIdFromUpgradeId(new Guid("da986865-1c90-4ae4-9a48-36cd4514208c"));
var reportingInterface = new ReportingInterface( );
ReportCompletionData reportCompletion = reportingInterface.PrepareReport(reportId, new ReportSettings( ));
ReportResultCacheKey reportResultCacheKey = reportCompletion.ResultCacheKey;
using (var stream = new MemoryStream( ))
{
ProtoBuf.Serializer.Serialize(stream, reportResultCacheKey);
byte [] bytes = stream.ToArray( );
using (var stream2 = new MemoryStream(bytes))
{
var key2 = ProtoBuf.Serializer.Deserialize <ReportResultCacheKey>(stream2);
Assert.AreEqual(key2, reportResultCacheKey);
}
}
}
/// <summary>
/// Check the cache.
/// Run the continuation callback if necessary.
/// Apply presentation formatting.
/// Store result in cache if possible.
/// </summary>
/// <typeparam name="T">Type of result after presentation formatting.</typeparam>
/// <param name="reportCompletionData">The completion process for a partially processed report.</param>
/// <param name="presentationCallback">Presentation formatting, such as conversion to webapi message.</param>
/// <returns></returns>
public string GetReportResult(ReportCompletionData reportCompletionData, Func <ServiceResult.ReportResult, string> presentationCallback)
{
if (reportCompletionData == null)
{
return(null);
}
ReportResultCacheKey cacheKey;
string result;
using (MessageContext msg = new MessageContext("Reports"))
{
cacheKey = reportCompletionData.ResultCacheKey;
// A null cacheKey indicates that the report is uncacheable
if (cacheKey == null)
{
msg.Append(() => "ReportResultCache received no cache key");
// Invoke callback
ServiceResult.ReportResult serviceResult = reportCompletionData.PerformRun( );
// And format it
result = presentationCallback(serviceResult);
}
else
{
// Check cache
bool fromCache = TryGetOrAdd(cacheKey, msg, out result, key1 =>
{
string formattedResult;
using (CacheContext cacheContext = new CacheContext( ))
{
// Call completion callback to run report
ServiceResult.ReportResult serviceResult = reportCompletionData.PerformRun( );
// Format result
formattedResult = presentationCallback(serviceResult);
// Add the cache context entries to the appropriate CacheInvalidator
_cacheInvalidator.AddInvalidations(cacheContext, cacheKey);
if (reportCompletionData.CacheContextDuringPreparation != null)
{
_cacheInvalidator.AddInvalidations(reportCompletionData.CacheContextDuringPreparation, cacheKey);
}
}
return(formattedResult);
});
// Note: No call to AddInvalidationsFor because no-one is listening.
}
}
return(result);
}
