public static async Task<StateManagerLease> GetOrCreateAsync(
IReliableStateManager StateManager,
IReliableDictionary<string, string> StateDictionary,
string EntryName,
string partitionId)
{
using (ITransaction tx = StateManager.CreateTransaction())
{
StateManagerLease lease;
// if something has been saved before load it
ConditionalResult<string> cResults = await StateDictionary.TryGetValueAsync(tx, EntryName);
if (cResults.HasValue)
{
lease = FromJsonString(cResults.Value);
lease.m_EntryName = EntryName;
lease.m_StateDictionary = StateDictionary;
lease.m_StateManager = StateManager;
}
else
{
// if not create new
lease = new StateManagerLease(StateManager, StateDictionary, EntryName, partitionId);
}
await tx.CommitAsync();
return lease;
}
}
private static async Task AddOrUpdatePrivateAsync <TKey>(
IReliableDictionary <TKey, byte[]> dictionary,
IReliableStateManager stateManager,
TKey key,
byte[] value,
CancellationToken cancellationToken) where TKey : IComparable <TKey>, IEquatable <TKey>
{
using (ITransaction tx = stateManager.CreateTransaction())
{
await dictionary.AddOrUpdateAsync(tx, key, value, (k, v) => value, FASConstants.ReliableDictionaryTimeout, cancellationToken).ConfigureAwait(false);
await tx.CommitAsync().ConfigureAwait(false);
}
}
public async Task <IEnumerable <Product> > GetAllProducts()
{
var products = await stateManager.GetOrAddAsync <IReliableDictionary <Guid, Product> >("products");
var list = new List <Product>();
using (var t = stateManager.CreateTransaction())
{
var e = await products.CreateEnumerableAsync(t);
using (var en = e.GetAsyncEnumerator())
{
while (await en.MoveNextAsync(CancellationToken.None))
{
var p = en.Current.Value;
list.Add(p);
}
}
await t.CommitAsync();
}
return(list);
}
public async Task Consume(ConsumeContext <ICountRequest> context)
{
var statsDictionary = await _stateManager.GetOrAddAsync <IReliableDictionary <string, long> >("statsDictionary").ConfigureAwait(false);
using (var tx = _stateManager.CreateTransaction())
{
var result = await statsDictionary.TryGetValueAsync(tx, "Number of Words Processed").ConfigureAwait(false);
if (result.HasValue)
{
await context.RespondAsync <ICountResponse>(new { Count = result.Value }).ConfigureAwait(false);
}
}
}
public static async Task <TResult> ExecuteWithRetry <TResult>(
IReliableStateManager stateManager,
Func <ITransaction, CancellationToken, object, Task <TResult> > operation,
object state = null,
CancellationToken cancellationToken = default(CancellationToken),
int maxAttempts = DefaultMaxAttempts,
TimeSpan?initialDelay = null)
{
if (stateManager == null)
{
throw new ArgumentNullException(nameof(stateManager));
}
if (operation == null)
{
throw new ArgumentNullException(nameof(operation));
}
if (maxAttempts <= 0)
{
maxAttempts = DefaultMaxAttempts;
}
if (initialDelay == null || initialDelay.Value < MinimumDelay)
{
initialDelay = InitialDelay;
}
Func <CancellationToken, object, Task <TResult> > wrapped = async(token, st) =>
{
TResult result;
using (var tran = stateManager.CreateTransaction())
{
try
{
result = await operation(tran, cancellationToken, state);
await tran.CommitAsync();
}
catch (TimeoutException)
{
tran.Abort();
throw;
}
}
return(result);
};
var outerResult = await ExecuteWithRetry(wrapped, state, cancellationToken, maxAttempts, initialDelay);
return(outerResult);
}
public async Task MergeSurveyAnswerToAnalysisAsync([FromBody] SlotModel model)
{
try
{
var reliableDictionary = await _stateManager.GetOrAddAsync <IReliableDictionary <string, int> >("reliableDictionary");
using (var tx = _stateManager.CreateTransaction())
{
var conditional = await reliableDictionary.TryGetValueAsync(tx, model.Slot, LockMode.Update);
var accumulated = 0;
if (!conditional.HasValue)
{
accumulated += 1;
}
else
{
accumulated = conditional.Value + 1;
}
ServiceEventSource.Current.Message($"Slug name:{model.Slot}|Total answers:{accumulated}");
await reliableDictionary.AddOrUpdateAsync(tx, model.Slot, accumulated, (key, element) => {
return(accumulated);
});
await tx.CommitAsync();
}
}
catch (Exception ex)
{
ServiceEventSource.Current.ServiceRequestFailed(ex.ToString());
throw;
}
}
public async Task <IActionResult> Get()
{
var ct = new CancellationToken();
var result = new List <KeyValuePair <int, Character> >();
try
{
var characterDictionary = await _stateManager.GetOrAddAsync <IReliableDictionary <int, Character> >(CharactersName);
using (ITransaction tx = _stateManager.CreateTransaction())
{
var list = await characterDictionary.CreateEnumerableAsync(tx);
var enumerator = list.GetAsyncEnumerator();
while (await enumerator.MoveNextAsync(ct))
{
result.Add(enumerator.Current);
}
// init
if (!result.Any())
{
result.AddRange(await Init.Populate(characterDictionary, tx));
}
return(Json(result));
}
}
catch
{
return(new BadRequestResult());
}
}
private static async Task RemoveKeyFromReliableDictionaryPrivateAsync(
this IReliableStateManager stateManager,
string dictionaryName,
string keyToRemove,
CancellationToken ctok)
{
IReliableDictionary <string, byte[]> dictionary = await stateManager.GetOrAddAsync <IReliableDictionary <string, byte[]> >(dictionaryName).ConfigureAwait(false);
using (var tx = stateManager.CreateTransaction())
{
await dictionary.TryRemoveAsync(tx, keyToRemove).ConfigureAwait(false);
await tx.CommitAsync().ConfigureAwait(false);
}
}
public static async Task <long> AppendToStreamAsync(this IReliableStateManager stateManager,
string streamName, long version, IEvent[] events, Func <IEvent, EventData> serializer,
string queueName = defaultOutBoxQueueName, string streamsName = defaultStreamsName)
{
using (var tx = stateManager.CreateTransaction())
{
var result = await stateManager.AppendAndMapToStreamAsync(tx, streamName, version, events, serializer, streamsName);
await stateManager.EnqueuAsync(tx, result.Item1.Select(x => x.ToEventData()), queueName);
await tx.CommitAsync();
return(result.Item2);
}
}
private static async Task <IEnumerable <object> > EnumerateState <T>(IReliableStateManager stateManager, IReliableQueue <T> collection, CancellationToken cancellationToken)
{
var list = new List <object>();
using (var tx = stateManager.CreateTransaction())
{
var enumerable = await collection.CreateEnumerableAsync(tx);
var enumerator = enumerable.GetAsyncEnumerator();
while (await enumerator.MoveNextAsync(cancellationToken))
{
list.Add(enumerator.Current);
}
}
return(list);
}
public async Task Receive()
{
try
{
using (ITransaction tx = stateManager.CreateTransaction())
{
ConditionalValue <string> offsetResult = await offsetDictionary.TryGetValueAsync(tx, "offset", LockMode.Default);
ConditionalValue <long> epochResult = await epochDictionary.TryGetValueAsync(tx, "epoch", LockMode.Update);
long newEpoch = epochResult.HasValue ? epochResult.Value + 1 : 0;
await epochDictionary.SetAsync(tx, "epoch", newEpoch);
PartitionReceiver partitionReceiver;
if (offsetResult.HasValue)
{
partitionReceiver = eventHubClient.CreateEpochReceiver(PartitionReceiver.DefaultConsumerGroupName,
"3", //Convert.ToString(this.servicePartitionKey),
offsetResult.Value,
newEpoch);
}
else
{
partitionReceiver = eventHubClient.CreateEpochReceiver(PartitionReceiver.DefaultConsumerGroupName,
Convert.ToString(this.servicePartitionKey),
"-1",
newEpoch);
}
ServiceEventSource.Current.ServiceMessage(this.serviceContext,
$"Partition Id: {servicePartitionKey}; offset: {offsetResult.Value}; Epoch: {newEpoch}");
var ehEvents = await partitionReceiver.ReceiveAsync(1);
await GenerateActors(ehEvents, tx);
await tx.CommitAsync();
}
}
catch (EventHubsException ex)
{
ServiceEventSource.Current.ServiceMessage(this.serviceContext, ex.Message);
}
catch (Exception ex)
{
ServiceEventSource.Current.ServiceMessage(this.serviceContext, ex.Message);
}
}
public void Configure(IApplicationBuilder app, IHostingEnvironment env, IApplicationLifetime appLifetime, IReliableStateManager reliableStateManager)
{
appLifetime.ApplicationStopping.Register(() => {
var reliableDictionary = reliableStateManager.GetOrAddAsync <IReliableDictionary <string, string> >("Connections").GetAwaiter().GetResult();
using (ITransaction tx = reliableStateManager.CreateTransaction())
{
foreach (var connectionUserId in ConnectionManagementHub.ConnectedUserIds)
{
reliableDictionary.TryRemoveAsync(tx, connectionUserId).GetAwaiter().GetResult();
}
tx.CommitAsync().GetAwaiter().GetResult();
}
});
app.UseCors(Strings.CorsPolicy);
app.UseAuthentication();
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseMvc();
if (UseAzureSignalR)
{
app.UseAzureSignalR(routes =>
{
routes.MapHub <ConnectionManagementHub>("/hubs/connectionManagement");
});
}
else
{
app.UseSignalR(routes =>
{
routes.MapHub <ConnectionManagementHub>("/hubs/connectionManagement");
});
}
}
public async Task <IList <UserItem> > GetAllUsersAsync()
{
var users = await _stateManager.GetOrAddAsync <IReliableDictionary <ItemId, UserItem> >(DictionaryName);
var list = new List <UserItem>();
using (var tx = _stateManager.CreateTransaction())
{
var enumerator = (await users.CreateEnumerableAsync(tx)).GetAsyncEnumerator();
CancellationToken ct = default(CancellationToken);
while (await enumerator.MoveNextAsync(ct))
{
list.Add(enumerator.Current.Value);
}
}
return(list);
}
private static async Task SetUtcTimeStampPrivateAsync(
this IReliableStateManager stateManager,
string timeStampDictionaryName,
string timeStampKey,
DateTime timeStamp,
CancellationToken cancellationToken)
{
IReliableDictionary <string, byte[]> timeStampRD = await stateManager.GetOrAddAsync <IReliableDictionary <string, byte[]> >(timeStampDictionaryName).ConfigureAwait(false);
using (var tx = stateManager.CreateTransaction())
{
byte[] timestampInBytes = BitConverter.GetBytes(timeStamp.Ticks);
await timeStampRD.AddOrUpdateAsync(tx, timeStampKey, timestampInBytes, (k, v) => timestampInBytes, FASConstants.ReliableDictionaryTimeout, cancellationToken).ConfigureAwait(false);
await tx.CommitAsync().ConfigureAwait(false);
}
}
public static async Task <bool> ReadStoppedNodeStateInnerAsync(IReliableStateManager stateManager, IReliableDictionary <string, bool> stoppedNodeTable, string nodeName, CancellationToken cancellationToken)
{
using (var tx = stateManager.CreateTransaction())
{
var data = await stoppedNodeTable.TryGetValueAsync(tx, nodeName, TimeSpan.FromSeconds(4), cancellationToken).ConfigureAwait(false);
if (data.HasValue)
{
TestabilityTrace.TraceSource.WriteInfo(TraceType, "ReadStoppedNodeState: table has value");
return(true);
}
else
{
return(false);
}
}
}
public async Task <IEventHubPartitionState> GetOrCreateAsync(string PartitionId)
{
if (null == mStateManager)
{
throw new InvalidOperationException("assigned state manager is null");
}
if (null == StateStore)
{
StateStore = await mStateManager.GetOrAddAsync <IReliableDictionary <string, DefaultPartitionState> >(ReliableDictionaryName);
}
if (null == StateStore)
{
throw new InvalidOperationException("could not create a reliable dictionary to store partition state");
}
var entryname = string.Concat(EntriesPrefix, PartitionId);
DefaultPartitionState partitionState = null;
using (var tx = mStateManager.CreateTransaction())
{
var result = await StateStore.TryGetValueAsync(tx, entryname);
if (result.HasValue)
{
partitionState = result.Value;
}
else
{
partitionState = new DefaultPartitionState();
partitionState.PartitionId = PartitionId;
}
await tx.CommitAsync();
}
partitionState.EntryName = entryname;
partitionState.StateStore = StateStore;
partitionState.StateManager = mStateManager;
return(partitionState);
}
public async Task<IActionResult> Put(UserDto userDto)
{
//IReliableDictionary<string, int> votesDictionary = await _stateManager.GetOrAddAsync<IReliableDictionary<string, int>>("counts");
if (ModelState.IsValid)
{
using (ITransaction tx = _stateManager.CreateTransaction())
{
await _ndDbContext.AddAsync<User>(_mapper.Map<User>(userDto));
await _ndDbContext.SaveChangesAsync();
await tx.CommitAsync();
return new OkResult();
}
}
return BadRequest(ModelState);
}
public async Task AddStoryPointData(perStoryData perStoryData)
{
IReliableDictionary <Guid, perStoryData> storypointdata = await _stateManager
.GetOrAddAsync <IReliableDictionary <Guid, perStoryData> >("storypointdata");
using (ITransaction tx = _stateManager.CreateTransaction())
{
await storypointdata
.AddOrUpdateAsync(tx, perStoryData.Id, perStoryData, (id, value) => perStoryData);
await tx.CommitAsync();
}
}
public void TestInitialize()
{
userDictionaryManager = new MockReliableStateManager();
IReliableDictionary2 <UserName, Basic.Common.UserProfile> users =
userDictionaryManager.GetOrAddAsync <IReliableDictionary2 <UserName, Basic.Common.UserProfile> >("users").Result;
var indexed_users = userDictionaryManager.GetOrAddIndexedAsync <UserName, Basic.Common.UserProfile>("indexed_users",
FilterableIndex <UserName, Basic.Common.UserProfile, string> .CreateQueryableInstance("Email"),
FilterableIndex <UserName, Basic.Common.UserProfile, int> .CreateQueryableInstance("Age")).Result;
for (int i = 0; i < 5; i++)
{
using (var tx = userDictionaryManager.CreateTransaction())
{
var user = new Basic.Common.UserProfile
{
Name = new UserName
{
First = $"First{i}",
Last = $"Last{i}",
},
Email = $"user-{i}@example.com",
Age = 20 + i / 3,
Address = new Basic.Common.Address
{
AddressLine1 = $"1{i} Main St.",
City = "Seattle",
State = "WA",
Zipcode = 98117,
},
};
users.SetAsync(tx, user.Name, user, TimeSpan.FromSeconds(4), new CancellationToken());
indexed_users.SetAsync(tx, user.Name, user, TimeSpan.FromSeconds(4), new CancellationToken());
tx.CommitAsync();
}
}
Assert.IsTrue(userDictionaryManager.TryGetAsync <IReliableDictionary2 <UserName, Basic.Common.UserProfile> >("users").Result.HasValue);
Assert.IsTrue(userDictionaryManager.TryGetIndexedAsync <UserName, Basic.Common.UserProfile>("indexed_users",
FilterableIndex <UserName, Basic.Common.UserProfile, string> .CreateQueryableInstance("Email"),
FilterableIndex <UserName, Basic.Common.UserProfile, int> .CreateQueryableInstance("Age")).Result.HasValue);
}
public async Task WriteAsync(VisualObject state, CancellationToken cancellationToken)
{
IReliableStateManager stateManager = ReliableCollectionsExtensions.GetReliableStateManager();
if (stateManager == null)
{
Console.WriteLine($"Failed to get StateManager");
return;
}
using (var txn = stateManager.CreateTransaction())
{
var visualObjectStore = await stateManager.GetOrAddAsync <IReliableDictionary <string, VisualObject> >(VISUAL_OBJECT_STORE);
await visualObjectStore.AddOrUpdateAsync(txn, state.Name, state, (k, v) => state);
await txn.CommitAsync();
}
}
public static async Task <List <ExternalResource> > GetExternalResourcesAsync(IReliableStateManager _stateManager)
{
var dict = await StateManagerHelper.GetExternalResourceDictAsync(_stateManager);
List <ExternalResource> listResources = new List <ExternalResource>();
using (ITransaction tx = _stateManager.CreateTransaction())
{
Microsoft.ServiceFabric.Data.IAsyncEnumerable <KeyValuePair <string, ExternalResource> > list = await dict.CreateEnumerableAsync(tx, EnumerationMode.Ordered)
.ConfigureAwait(false);
var asyncEnumerator = list.GetAsyncEnumerator();
while (await asyncEnumerator.MoveNextAsync(CancellationToken.None).ConfigureAwait(false))
{
listResources.Add(asyncEnumerator.Current.Value);
}
}
return(listResources);
}
public async Task <ICollection <Customer> > GetAllCustomers(CancellationToken cancellationToken = default)
{
var customers = await stateManager.GetOrAddAsync <IReliableDictionary <Guid, Customer> >("Customer");
var results = new List <Customer>();
using (var tx = stateManager.CreateTransaction())
{
var enumerable = await customers.CreateEnumerableAsync(tx);
var enumerator = enumerable.GetAsyncEnumerator();
while (await enumerator.MoveNextAsync(cancellationToken) && !cancellationToken.IsCancellationRequested)
{
results.Add(enumerator.Current.Value);
}
}
return(results);
}
// This is a seperate method because we now know PropertyType, so want to not use reflection in above method
public static async Task <IEnumerable <TKey> > FilterHelper <TKey, TValue, TFilter>(IReliableIndexedDictionary <TKey, TValue> dictionary, TFilter constant, BinaryOperatorKind strategy, bool notIsApplied, CancellationToken cancellationToken, IReliableStateManager stateManager, string propertyName)
where TFilter : IComparable <TFilter>, IEquatable <TFilter>
where TKey : IComparable <TKey>, IEquatable <TKey>
{
using (var tx = stateManager.CreateTransaction())
{
IEnumerable <TKey> result;
// Equals
if ((strategy == BinaryOperatorKind.Equal && !notIsApplied) ||
(strategy == BinaryOperatorKind.NotEqual && notIsApplied))
{
result = await dictionary.FilterKeysOnlyAsync(tx, propertyName, constant, TimeSpan.FromSeconds(4), cancellationToken);
}
else if ((strategy == BinaryOperatorKind.GreaterThan && !notIsApplied) ||
(strategy == BinaryOperatorKind.LessThan && notIsApplied))
{
result = await dictionary.RangeFromFilterKeysOnlyAsync(tx, propertyName, constant, RangeFilterType.Exclusive, TimeSpan.FromSeconds(4), cancellationToken);
}
else if ((strategy == BinaryOperatorKind.GreaterThanOrEqual && !notIsApplied) ||
(strategy == BinaryOperatorKind.LessThanOrEqual && notIsApplied))
{
result = await dictionary.RangeFromFilterKeysOnlyAsync(tx, propertyName, constant, RangeFilterType.Inclusive, TimeSpan.FromSeconds(4), cancellationToken);
}
else if ((strategy == BinaryOperatorKind.LessThan && !notIsApplied) ||
(strategy == BinaryOperatorKind.GreaterThan && notIsApplied))
{
result = await dictionary.RangeToFilterKeysOnlyAsync(tx, propertyName, constant, RangeFilterType.Exclusive, TimeSpan.FromSeconds(4), cancellationToken);
}
else if ((strategy == BinaryOperatorKind.LessThanOrEqual && !notIsApplied) ||
(strategy == BinaryOperatorKind.GreaterThanOrEqual && notIsApplied))
{
result = await dictionary.RangeToFilterKeysOnlyAsync(tx, propertyName, constant, RangeFilterType.Inclusive, TimeSpan.FromSeconds(4), cancellationToken);
}
else
{
// Bad State, should never hit
throw new NotSupportedException("Does not support Add, Subtract, Modulo, Multiply, Divide operations.");
}
await tx.CommitAsync();
return(result);
}
}
public async Task <ConditionalValue <IReliableDictionary <TKey, TValue> > > TryCopyToReliableDictionary <TKey, TValue>(string sourceKey, string targetKey, IReliableStateManager stateManager) where TKey : IComparable <TKey>, IEquatable <TKey>
{
var conditionalValue = await reliableStateManagerHelper.TryGetAsync <IReliableDictionary <TKey, TValue> >(stateManager, sourceKey);
if (!conditionalValue.HasValue)
{
return(new ConditionalValue <IReliableDictionary <TKey, TValue> >(false, null));
}
IReliableDictionary <TKey, TValue> source = conditionalValue.Value;
conditionalValue = await reliableStateManagerHelper.TryGetAsync <IReliableDictionary <TKey, TValue> >(stateManager, targetKey);
if (!conditionalValue.HasValue)
{
return(new ConditionalValue <IReliableDictionary <TKey, TValue> >(false, null));
}
IReliableDictionary <TKey, TValue> target = conditionalValue.Value;
using (ITransaction tx = stateManager.CreateTransaction())
{
await target.ClearAsync();
var asyncEnumerable = await source.CreateEnumerableAsync(tx);
var asyncEnumerator = asyncEnumerable.GetAsyncEnumerator();
CancellationTokenSource tokenSource = new CancellationTokenSource();
var tasks = new List <Task>();
while (await asyncEnumerator.MoveNextAsync(tokenSource.Token))
{
var currentEntry = asyncEnumerator.Current;
tasks.Add(target.SetAsync(tx, currentEntry.Key, currentEntry.Value));
}
Task.WaitAll(tasks.ToArray());
await tx.CommitAsync();
}
return(new ConditionalValue <IReliableDictionary <TKey, TValue> >(true, target));
}
private async Task <List <ServiceMessage> > GetResultsAsync()
{
var messages = new List <ServiceMessage>();
var storage = await this._manager.GetOrAddAsync <IReliableDictionary <string, ServiceMessage> >("storage");
using (var tx = _manager.CreateTransaction())
{
var messageEnumerable = await storage.CreateEnumerableAsync(tx, EnumerationMode.Ordered);
using (Microsoft.ServiceFabric.Data.IAsyncEnumerator <KeyValuePair <string, ServiceMessage> > enumerator = messageEnumerable.GetAsyncEnumerator())
{
while (await enumerator.MoveNextAsync(CancellationToken.None))
{
messages.Add(enumerator.Current.Value);
}
}
}
return(messages);
}
public async static Task RunAsync(
CancellationToken cancellationToken,
IGitHubClient gitHubClient,
IReliableStateManager stateManager,
IUserRepoSearchActorProvider userRepoSearchActorProvider)
{
IReliableConcurrentQueue <ScrapingTask> firstTaskQueue =
await GetFirstTaskQueue(stateManager);
IReliableConcurrentQueue <ScrapingTask> secondTaskQueue =
await GetSecondTaskQueue(stateManager);
while (true)
{
cancellationToken.ThrowIfCancellationRequested();
if (firstTaskQueue.Count > 0 || secondTaskQueue.Count > 0)
{
using (var tx = stateManager.CreateTransaction())
{
var dequeued = await firstTaskQueue.TryDequeueAsync(tx, cancellationToken);
if (!dequeued.HasValue)
{
dequeued = await secondTaskQueue.TryDequeueAsync(tx, cancellationToken);
}
await ProcessScrapingTask(
scrapingTask : dequeued.Value,
gitHubClient : gitHubClient, tx : tx,
firstTaskQueue : firstTaskQueue,
secondTaskQueue : secondTaskQueue,
userRepoSearchActorProvider : userRepoSearchActorProvider);
await tx.CommitAsync();
}
}
else
{
await Task.Delay(Constants.EMPTY_DELAY, cancellationToken);
}
}
}
public async Task <Dictionary <TKey, TValue> > GetDataCopyAsync()
{
Dictionary <TKey, TValue> copy = new Dictionary <TKey, TValue>();
Microsoft.ServiceFabric.Data.IAsyncEnumerable <KeyValuePair <TKey, TValue> > asyncEnumerable;
using (ITransaction tx = stateManager.CreateTransaction())
{
asyncEnumerable = await reliableDictionary.CreateEnumerableAsync(tx);
}
var asyncEnumerator = asyncEnumerable.GetAsyncEnumerator();
CancellationTokenSource tokenSource = new CancellationTokenSource();
while (await asyncEnumerator.MoveNextAsync(tokenSource.Token))
{
var currentEntry = asyncEnumerator.Current;
copy.Add(currentEntry.Key, currentEntry.Value);
}
return(copy);
}
public async Task <TConfig> GetAsync(TKey id)
{
var collection = await _reliableStateManager.GetOrAddAsync <IReliableDictionary <TKey, TConfig> >("ConfigStore");
using (var tran = _reliableStateManager.CreateTransaction())
{
if (await collection.ContainsKeyAsync(tran, id))
{
return((await collection.TryGetValueAsync(tran, id)).Value);
}
var config = await this.GetByIdAsync(id);
await collection.AddAsync(tran, id, config);
await tran.CommitAsync();
return(config);
}
}
public async static Task <Result> RequestUserInfoScrapingAsync(
IReliableStateManager stateManager, RequestUserInfoScrapingInput input)
{
var firstTaskQueue = await GetFirstTaskQueue(stateManager);
using (var tx = stateManager.CreateTransaction())
{
await firstTaskQueue.EnqueueAsync(tx, new ScrapingTask
{
AuthToken = input.AuthToken,
UserLogin = input.UserLogin,
Type = ScrapingTaskType.UserInfo
});
await tx.CommitAsync();
}
return(new Result {
Success = true
});
}
public async Task <IEnumerable <Product> > GetAllProducts()
{
List <Product> result = new List <Product>();
IReliableDictionary <Guid, Product> products = await _stateManager.GetOrAddAsync <IReliableDictionary <Guid, Product> >(PRODUCTS_COLLECTION);
using (ITransaction tx = _stateManager.CreateTransaction())
{
IAsyncEnumerable <KeyValuePair <Guid, Product> > allProducts = await products.CreateEnumerableAsync(tx, EnumerationMode.Ordered);
using (IAsyncEnumerator <KeyValuePair <Guid, Product> > enumerator = allProducts.GetAsyncEnumerator())
{
while (await enumerator.MoveNextAsync(CancellationToken.None))
{
KeyValuePair <Guid, Product> current = enumerator.Current;
result.Add(current.Value);
}
}
}
return(result);
}
public virtual async Task <IEnumerable <TEntity> > FindAsync(Func <TEntity, bool> predicate)
{
var reliableDictionary = await GetReliableDictionary();
var entities = new BlockingCollection <TEntity>();
using (var tx = _stateManager.CreateTransaction())
{
var enumerator = (await reliableDictionary.CreateEnumerableAsync(tx))
.GetAsyncEnumerator();
while (await enumerator.MoveNextAsync(CancellationToken.None))
{
if (predicate(enumerator.Current.Value))
{
entities.Add(enumerator.Current.Value);
}
}
}
return(entities);
}
