private JsonDocument GetDocumentWithCaching(string key)
{
if (key == null)
{
return(null);
}
JsonDocument doc;
if (disableCache == false && cache.TryGetValue(key, out doc))
{
return(doc);
}
doc = actions.Documents.DocumentByKey(key, null);
EnsureIdInMetadata(doc);
var nonAuthoritativeInformationBehavior = inFlightTransactionalState.GetNonAuthoritativeInformationBehavior <JsonDocument>(null, key);
if (nonAuthoritativeInformationBehavior != null)
{
doc = nonAuthoritativeInformationBehavior(doc);
}
if (disableCache == false)
{
cache[key] = doc;
}
if (cache.Count > 2048)
{
// we are probably doing a stream here, no point in trying to cache things, we might be
// going through the entire db here!
disableCache = true;
cache.Clear();
}
return(doc);
}
private JsonDocument GetDocumentWithCaching(string key)
{
if (key == null)
{
return(null);
}
// first we check the dtc state, then the cache and the storage, to avoid race conditions
var nonAuthoritativeInformationBehavior = inFlightTransactionalState.GetNonAuthoritativeInformationBehavior <JsonDocument>(null, key);
JsonDocument doc;
if (disableCache || cache.TryGetValue(key, out doc) == false)
{
doc = actions.Documents.DocumentByKey(key);
}
if (nonAuthoritativeInformationBehavior != null)
{
doc = nonAuthoritativeInformationBehavior(doc);
}
JsonDocument.EnsureIdInMetadata(doc);
if (doc != null && doc.Metadata != null)
{
doc.Metadata.EnsureCannotBeChangeAndEnableSnapshotting();
}
if (disableCache == false && (doc == null || doc.NonAuthoritativeInformation != true))
{
cache[key] = doc;
}
if (cache.Count > 2048)
{
// we are probably doing a stream here, no point in trying to cache things, we might be
// going through the entire db here!
disableCache = true;
cache.Clear();
}
return(doc);
}