private static async Task <EndpointDocCacheResult> GetCached(ConcurrentDictionary <string, JsonSchema4> cache, string groupName, string method, string relativePath, Type type, Func <Type, Task <JsonSchema4> > missCallback)
{
var key = $"{groupName}|{method}|{relativePath}";
var result = new EndpointDocCacheResult();
result.FromCache = cache.TryGetValue(key, out var schema);
if (!result.FromCache)
{
//This can potentially race if not defined.
//However, there is no real downside to that, this is still nice and thread safe.
schema = await missCallback.Invoke(type);
if (schema == null || schema.IsCacheableDoc())
{
//If the schema is null or cacheable, add it to the cache, null values will count as coming from the cache
schema = cache.GetOrAdd(key, schema);
result.FromCache = true; //This is now technically from the cache too
}
}
result.Schema = schema;
return(result);
}
public void SetResponseSchema(EndpointDocCacheResult cacheResult)
{
this.ResponseSchema = cacheResult.Schema;
this.ResponseSchemaFromCache = cacheResult.FromCache;
}