public static void ValidateCorrelationInitializer(ActivityMetadata metadata, Collection <CorrelationInitializer> correlationInitializers, bool isReply, string displayName, string operationName)
{
Fx.Assert(metadata != null, "cannot be null");
if (correlationInitializers != null && correlationInitializers.Count > 0)
{
bool queryInitializerWithEmptyHandle = false;
foreach (CorrelationInitializer correlation in correlationInitializers)
{
if (correlation is RequestReplyCorrelationInitializer && isReply)
{
// This is a reply, so additional correlations should not have a request reply handle
metadata.AddValidationError(SR.ReplyShouldNotIncludeRequestReplyHandle(displayName, operationName));
}
QueryCorrelationInitializer queryCorrelation = correlation as QueryCorrelationInitializer;
if (queryCorrelation != null)
{
if (queryCorrelation.MessageQuerySet.Count == 0)
{
metadata.AddValidationError(SR.QueryCorrelationInitializerWithEmptyMessageQuerySet(displayName, operationName));
}
}
if (correlation.CorrelationHandle == null)
{
if (correlation is QueryCorrelationInitializer)
{
if (!queryInitializerWithEmptyHandle)
{
queryInitializerWithEmptyHandle = true;
}
else
{
// more than one queryInitializer present, in this case we don't permit null handle
metadata.AddValidationError(SR.NullCorrelationHandleInMultipleQueryCorrelation);
}
}
else
{
metadata.AddValidationError(SR.NullCorrelationHandleInInitializeCorrelation(correlation.GetType().Name));
}
}
}
}
}