private RefreshInstruction(ICacheRefresher refresher, RefreshMethodType refreshType)
{
RefresherId = refresher.RefresherUniqueId;
RefreshType = refreshType;
//set default - this value is not used for reading after it's been deserialized, it's only used for persisting the instruction to the db
JsonIdCount = 1;
}
protected virtual void Deliver(IEnumerable <IServerAddress> servers, ICacheRefresher refresher, MessageType messageType, IEnumerable <object> ids = null, string json = null)
{
if (servers == null)
{
throw new ArgumentNullException("servers");
}
if (refresher == null)
{
throw new ArgumentNullException("refresher");
}
var serversA = servers.ToArray();
var idsA = ids == null ? null : ids.ToArray();
// deliver local
DeliverLocal(refresher, messageType, idsA, json);
// distribute?
if (RequiresDistributed(serversA, refresher, messageType) == false)
{
return;
}
// deliver remote
DeliverRemote(serversA, refresher, messageType, idsA, json);
}
protected override void DeliverRemote(
IEnumerable <IServerAddress> servers,
ICacheRefresher refresher,
MessageType messageType,
IEnumerable <object> ids = null,
string json = null)
{
var idsA = ids == null ? null : ids.ToArray();
Type idType;
if (GetArrayType(idsA, out idType) == false)
{
throw new ArgumentException("All items must be of the same type, either int or Guid.", "ids");
}
var instructions = RefreshInstruction.GetInstructions(refresher, messageType, idsA, idType, json);
var dto = new CacheInstructionDto
{
UtcStamp = DateTime.UtcNow,
Instructions = JsonConvert.SerializeObject(instructions, Formatting.None),
OriginIdentity = LocalIdentity,
InstructionCount = instructions.Sum(x => x.JsonIdCount)
};
ApplicationContext.DatabaseContext.Database.Insert(dto);
}
protected virtual void Deliver <T>(ICacheRefresher refresher, MessageType messageType, Func <T, object> getId, IEnumerable <T> instances)
{
if (refresher == null)
{
throw new ArgumentNullException(nameof(refresher));
}
var instancesA = instances.ToArray();
// deliver local
DeliverLocal(refresher, messageType, getId, instancesA);
// distribute?
if (RequiresDistributed(refresher, messageType) == false)
{
return;
}
// deliver remote
// map ByInstance to ById as there's no remote instances
if (messageType == MessageType.RefreshByInstance)
{
messageType = MessageType.RefreshById;
}
if (messageType == MessageType.RemoveByInstance)
{
messageType = MessageType.RemoveById;
}
// convert instances to identifiers
var idsA = instancesA.Select(getId).ToArray();
DeliverRemote(refresher, messageType, idsA);
}
protected void BatchMessage(
IEnumerable <IServerAddress> servers,
ICacheRefresher refresher,
MessageType messageType,
IEnumerable <object> ids = null,
Type idType = null,
string json = null)
{
var batch = GetBatch(true);
var instructions = RefreshInstruction.GetInstructions(refresher, messageType, ids, idType, json);
// batch if we can, else write to DB immediately
if (batch == null)
{
//only write the json blob with a maximum count of the MaxProcessingInstructionCount
using (var scope = _appContext.ScopeProvider.CreateScope())
{
foreach (var maxBatch in instructions.InGroupsOf(Options.MaxProcessingInstructionCount))
{
WriteInstructions(scope, maxBatch);
}
scope.Complete();
}
}
else
{
batch.Add(new RefreshInstructionEnvelope(servers, refresher, instructions));
}
}
protected override void DeliverRemote(
ICacheRefresher refresher,
MessageType messageType,
IEnumerable <object> ids = null,
string json = null)
{
var idsA = ids?.ToArray();
if (GetArrayType(idsA, out var idType) == false)
{
throw new ArgumentException("All items must be of the same type, either int or Guid.", nameof(ids));
}
var instructions = RefreshInstruction.GetInstructions(refresher, messageType, idsA, idType, json);
var dto = new CacheInstructionDto
{
UtcStamp = DateTime.UtcNow,
Instructions = JsonConvert.SerializeObject(instructions, Formatting.None),
OriginIdentity = LocalIdentity,
InstructionCount = instructions.Sum(x => x.JsonIdCount)
};
using (var scope = ScopeProvider.CreateScope())
{
scope.Database.Insert(dto);
scope.Complete();
}
}
private void MessageSeversForManyObjects <T>(
IEnumerable <IServerAddress> servers,
ICacheRefresher refresher,
MessageType dispatchType,
Func <T, object> getId,
IEnumerable <T> instances)
{
if (servers == null)
{
throw new ArgumentNullException("servers");
}
if (refresher == null)
{
throw new ArgumentNullException("refresher");
}
EnsureLazyUsernamePasswordDelegateResolved();
//Now, check if we are using Distrubuted calls. If there are no servers in the list then we
// can definitely not distribute.
if (!_useDistributedCalls || !servers.Any())
{
//if we are not, then just invoke the call on the cache refresher
InvokeMethodOnRefresherInstance(refresher, dispatchType, getId, instances);
return;
}
//if we are distributing calls then we'll need to do it by id
MessageSeversForIdsOrJson(servers, refresher, dispatchType, instances.Select(getId));
}
//protected abstract void DeliverRemote(IEnumerable<IServerAddress> servers, ICacheRefresher refresher, object payload);
protected virtual void Deliver(IEnumerable <IServerAddress> servers, ICacheRefresher refresher, object payload)
{
if (servers == null)
{
throw new ArgumentNullException("servers");
}
if (refresher == null)
{
throw new ArgumentNullException("refresher");
}
var serversA = servers.ToArray();
// deliver local
DeliverLocal(refresher, payload);
// distribute?
if (RequiresDistributed(serversA, refresher, MessageType.RefreshByJson) == false)
{
return;
}
// deliver remote
var json = JsonConvert.SerializeObject(payload);
DeliverRemote(serversA, refresher, MessageType.RefreshByJson, null, json);
}
public UserContentService(
UserContentRepository <TUserContent, TUserContentDTO> userContentRepository,
ICacheRefresher cacheRefresher)
{
_userRepo = userContentRepository;
_cacheRefresher = cacheRefresher;
}
private void InvokeMethodOnRefresherInstance <T>(ICacheRefresher refresher, MessageType dispatchType, Func <T, object> getId, IEnumerable <T> instances)
{
if (refresher == null)
{
throw new ArgumentNullException("refresher");
}
LogHelper.Debug <DefaultServerMessenger>("Invoking refresher {0} on single server instance, message type {1}",
() => refresher.GetType(),
() => dispatchType);
var stronglyTypedRefresher = refresher as ICacheRefresher <T>;
foreach (var instance in instances)
{
//if we are not, then just invoke the call on the cache refresher
switch (dispatchType)
{
case MessageType.RefreshAll:
refresher.RefreshAll();
break;
case MessageType.RefreshById:
if (stronglyTypedRefresher != null)
{
stronglyTypedRefresher.Refresh(instance);
}
else
{
var id = getId(instance);
if (id is int)
{
refresher.Refresh((int)id);
}
else if (id is Guid)
{
refresher.Refresh((Guid)id);
}
else
{
throw new InvalidOperationException("The id must be either an int or a Guid");
}
}
break;
case MessageType.RemoveById:
if (stronglyTypedRefresher != null)
{
stronglyTypedRefresher.Remove(instance);
}
else
{
var id = getId(instance);
refresher.Refresh((int)id);
}
break;
}
}
}
public void PerformRefreshAll(ICacheRefresher refresher)
{
if (refresher == null)
{
throw new ArgumentNullException(nameof(refresher));
}
Deliver(refresher, MessageType.RefreshAll);
}
private UserContentContext(
ILogger logger,
IRuntimeCacheProvider runtimeCacheProvider)
{
_logger = logger;
Instances = new Dictionary <string, IUserContentInstance>();
refresher = new UserContentCacheRefresher(runtimeCacheProvider);
}
private static IJsonCacheRefresher GetJsonRefresher(ICacheRefresher refresher)
{
if (refresher is not IJsonCacheRefresher jsonRefresher)
{
throw new InvalidOperationException("Cache refresher with ID \"" + refresher.RefresherUniqueId + "\" does not implement " + typeof(IJsonCacheRefresher) + ".");
}
return(jsonRefresher);
}
private void RefreshByIds(CacheRefresherCollection cacheRefreshers, Guid uniqueIdentifier, string jsonIds)
{
ICacheRefresher refresher = GetRefresher(cacheRefreshers, uniqueIdentifier);
foreach (var id in JsonConvert.DeserializeObject <int[]>(jsonIds))
{
refresher.Refresh(id);
}
}
private static IJsonCacheRefresher GetJsonRefresher(ICacheRefresher refresher)
{
var jsonRefresher = refresher as IJsonCacheRefresher;
if (jsonRefresher == null)
{
throw new InvalidOperationException("Cache refresher with ID \"" + refresher.UniqueIdentifier + "\" does not implement " + typeof(IJsonCacheRefresher) + ".");
}
return(jsonRefresher);
}
internal UserContentInstance(DatabaseContext databaseContext,
string tableName,
ICacheRefresher refresher,
IRuntimeCacheProvider cacheProvider)
{
Repository = new UserContentRepository <TUserContent, TUserContentDTO>(databaseContext, tableName);
Service = new UserContentService <TUserContent, TUserContentDTO>(
(UserContentRepository <TUserContent, TUserContentDTO>)Repository, refresher);
Cache = cacheProvider;
}
// helper method to get an ICacheRefresher by its unique identifier
private ICacheRefresher GetRefresherById(Guid refresherGuid)
{
ICacheRefresher refresher = _cacheRefreshers[refresherGuid];
if (refresher == null)
{
throw new InvalidOperationException($"No cache refresher found with id {refresherGuid}");
}
return(refresher);
}
private ICacheRefresher GetRefresher(CacheRefresherCollection cacheRefreshers, Guid id)
{
ICacheRefresher refresher = cacheRefreshers[id];
if (refresher == null)
{
throw new InvalidOperationException("Cache refresher with ID \"" + id + "\" does not exist.");
}
return(refresher);
}
/// <inheritdoc/>
protected override void DeliverRemote(ICacheRefresher refresher, MessageType messageType, IEnumerable <object> ids = null, string json = null)
{
var idsA = ids?.ToArray();
if (GetArrayType(idsA, out Type arrayType) == false)
{
throw new ArgumentException("All items must be of the same type, either int or Guid.", nameof(ids));
}
BatchMessage(refresher, messageType, idsA, arrayType, json);
}
public FeedRepository(ApplicationDbContext context, IMemoryCache cache, ICacheRefresher cacheRefresher)
{
_context = context ?? throw new NullReferenceException();
_cache = cache;
_cacheRefresher = cacheRefresher;
if (!_cache.TryGetValue("Feeds", out List <Feed> feedsCollections))
{
var a = _cache.Get("Feeds");
_cacheRefresher.Refresh();
}
}
public OrderValidationService(ICacheRefresher cacheRefresher,
ICache <Order> orderCache,
ICache <SubscriptionModel> subCache,
ICache <PurchasedReportModel> prCache,
ILogger <OrderValidationService> logger)
{
_cacheRefresher = cacheRefresher;
_orderCache = orderCache;
_subCache = subCache;
_prCache = prCache;
_logger = logger;
}
private RefreshInstruction(ICacheRefresher refresher, RefreshMethodType refreshType, string json)
: this(refresher, refreshType)
{
if (refreshType == RefreshMethodType.RefreshByJson)
{
JsonPayload = json;
}
else
{
JsonIds = json;
}
}
public CollectionRepository(ApplicationDbContext context, IMemoryCache cache, ICacheRefresher cacheRefresher)
{
_context = context ?? throw new NullReferenceException();
_cache = cache;
_cacheRefresher = cacheRefresher;
if (!_cache.TryGetValue("UserCollections", out List <UserCollection> userCollections))
{
_cacheRefresher.Refresh();
}
}
public void PerformRefresh(ICacheRefresher refresher, string jsonPayload)
{
if (refresher == null)
{
throw new ArgumentNullException(nameof(refresher));
}
if (jsonPayload == null)
{
throw new ArgumentNullException(nameof(jsonPayload));
}
Deliver(refresher, MessageType.RefreshByJson, json: jsonPayload);
}
public void PerformRefresh(ICacheRefresher refresher, params Guid[] guidIds)
{
if (refresher == null)
{
throw new ArgumentNullException(nameof(refresher));
}
if (guidIds == null || guidIds.Length == 0)
{
return;
}
Deliver(refresher, MessageType.RefreshById, guidIds.Cast <object>());
}
public void PerformRefresh <TPayload>(ICacheRefresher refresher, TPayload[] payload)
{
if (refresher == null)
{
throw new ArgumentNullException(nameof(refresher));
}
if (payload == null)
{
throw new ArgumentNullException(nameof(payload));
}
Deliver(refresher, payload);
}
public void PerformRemove(ICacheRefresher refresher, params int[] numericIds)
{
if (refresher == null)
{
throw new ArgumentNullException(nameof(refresher));
}
if (numericIds == null || numericIds.Length == 0)
{
return;
}
Deliver(refresher, MessageType.RemoveById, numericIds.Cast <object>());
}
protected override void DeliverRemote(IEnumerable <IServerAddress> servers, ICacheRefresher refresher, MessageType messageType, IEnumerable <object> ids = null, string json = null)
{
var idsA = ids == null ? null : ids.ToArray();
Type arrayType;
if (GetArrayType(idsA, out arrayType) == false)
{
throw new ArgumentException("All items must be of the same type, either int or Guid.", "ids");
}
BatchMessage(servers, refresher, messageType, idsA, arrayType, json);
}
/// <summary>
/// Gets all ICacheRefreshers
/// </summary>
/// <returns></returns>
public ICacheRefresher[] GetAll()
{
ICacheRefresher[] retVal = new ICacheRefresher[_refreshers.Count];
int c = 0;
foreach (ICacheRefresher cr in _refreshers.Values)
{
retVal[c] = GetNewObject(cr.UniqueIdentifier);
c++;
}
return(retVal);
}
public void PerformRefreshAll(IEnumerable <IServerAddress> servers, ICacheRefresher refresher)
{
if (servers == null)
{
throw new ArgumentNullException("servers");
}
if (refresher == null)
{
throw new ArgumentNullException("refresher");
}
Deliver(servers, refresher, MessageType.RefreshAll);
}
void ProcessRefreshAll(ICacheRefresher refresher)
{
refresher.RefreshAll();
}
void ProcessRefreshById(Notification notification, ICacheRefresher refresher)
{
foreach (var id in _payloadService.Deserialize<object>(notification.Payload))
{
if (id is long)
refresher.Refresh(Convert.ToInt32((long)id));
if (id is Guid)
refresher.Refresh((Guid)id);
}
}
void ProcessRefreshJson(Notification notification, ICacheRefresher refresher)
{
//Tricky As IJsonCacheRefresher Is Marked As Internal
var refresh = refresher.GetType().GetMethod("Refresh", BindingFlags.Instance | BindingFlags.Public, null, new[] { typeof(string) }, null);
if (refresh == null)
throw new NotSupportedException("Cache Refresher Does Not Implement IJsonCacheRefresher");
refresh.Invoke(refresher, new object[] { notification.Payload });
}
void ProcessRemoveById(Notification notification, ICacheRefresher refresher)
{
foreach (var id in _payloadService.Deserialize<int>(notification.Payload))
refresher.Remove(id);
}