public bool UpdateOrCreateIfLatest(FunctionSnapshot snapshot, string currentETag, DateTimeOffset currentVersion)
{
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
StoreItem existing = _store.Where(i => i.FunctionSnapshot.Id == snapshot.Id).FirstOrDefault();
if (existing == null)
{
_store.Add(CreateStoreItem(snapshot));
return true;
}
else if (currentETag == existing.ETag && currentVersion < snapshot.HostVersion)
{
Debug.Assert(currentVersion == existing.FunctionSnapshot.HostVersion);
_store.Remove(existing);
_store.Add(CreateStoreItem(snapshot));
return true;
}
else
{
// Tell callers when they have the latest version, even if it was already present.
return existing.FunctionSnapshot.HostVersion == snapshot.HostVersion;
}
}
public Guid TriggerAndOverride(string queueName, FunctionSnapshot function,
IDictionary<string, string> arguments, Guid? parentId, ExecutionReason reason)
{
if (function == null)
{
throw new ArgumentNullException("function");
}
Guid id = Guid.NewGuid();
CallAndOverrideMessage message = new CallAndOverrideMessage
{
Id = id,
FunctionId = function.HostFunctionId,
Arguments = arguments,
ParentId = parentId,
Reason = reason
};
string functionId = new FunctionIdentifier(function.QueueName, function.HostFunctionId).ToString();
FunctionInstanceSnapshot snapshot = CreateSnapshot(id, arguments, parentId, DateTimeOffset.UtcNow,
functionId, function.FullName, function.ShortName);
_logger.LogFunctionQueued(snapshot);
_sender.Enqueue(queueName, message);
return id;
}
public bool CreateOrUpdateIfLatest(FunctionSnapshot snapshot)
{
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
return(_store.CreateOrUpdateIfLatest(snapshot.Id, snapshot.HostVersion, CreateOtherMetadata(snapshot), snapshot));
}
public bool CreateOrUpdateIfLatest(FunctionSnapshot snapshot)
{
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
return _store.CreateOrUpdateIfLatest(snapshot.Id, snapshot.HostVersion, CreateOtherMetadata(snapshot), snapshot);
}
public bool UpdateOrCreateIfLatest(FunctionSnapshot snapshot, string currentETag, DateTimeOffset currentVersion)
{
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
return _store.UpdateOrCreateIfLatest(snapshot.Id, snapshot.HostVersion, CreateOtherMetadata(snapshot),
snapshot, currentETag, currentVersion);
}
public bool UpdateOrCreateIfLatest(FunctionSnapshot snapshot, string currentETag, DateTimeOffset currentVersion)
{
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
return(_store.UpdateOrCreateIfLatest(snapshot.Id, snapshot.HostVersion, CreateOtherMetadata(snapshot),
snapshot, currentETag, currentVersion));
}
public static IDictionary<string, string> CreateOtherMetadata(FunctionSnapshot snapshot)
{
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
Dictionary<string, string> metadata = new Dictionary<string, string>();
AddMetadataString(metadata, IdKey, snapshot.Id);
AddMetadataString(metadata, FullNameKey, snapshot.FullName);
AddMetadataString(metadata, ShortNameKey, snapshot.ShortName);
AddMetadataNullableInt32(metadata, HeartbeatExpirationInSecondsKey, snapshot.HeartbeatExpirationInSeconds);
AddMetadataString(metadata, HeartbeatSharedContainerNameKey, snapshot.HeartbeatSharedContainerName);
AddMetadataString(metadata, HeartbeatSharedDirectoryNameKey, snapshot.HeartbeatSharedDirectoryName);
return metadata;
}
public static IDictionary <string, string> CreateOtherMetadata(FunctionSnapshot snapshot)
{
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
Dictionary <string, string> metadata = new Dictionary <string, string>();
AddMetadataString(metadata, IdKey, snapshot.Id);
AddMetadataString(metadata, FullNameKey, snapshot.FullName);
AddMetadataString(metadata, ShortNameKey, snapshot.ShortName);
AddMetadataNullableInt32(metadata, HeartbeatExpirationInSecondsKey, snapshot.HeartbeatExpirationInSeconds);
AddMetadataString(metadata, HeartbeatSharedContainerNameKey, snapshot.HeartbeatSharedContainerName);
AddMetadataString(metadata, HeartbeatSharedDirectoryNameKey, snapshot.HeartbeatSharedDirectoryName);
return(metadata);
}
public bool CreateOrUpdateIfLatest(FunctionSnapshot snapshot)
{
return(_store.CreateOrUpdateIfLatest(snapshot.Id, snapshot.HostVersion, CreateOtherMetadata(snapshot),
snapshot));
}
private RunFunctionViewModel CreateRunFunctionViewModel(FunctionSnapshot function, IEnumerable<FunctionParameterViewModel> parameters, string submitText, Guid? parentId)
{
return new RunFunctionViewModel
{
QueueName = function.QueueName,
FunctionId = function.Id,
Parameters = parameters,
ParentId = parentId,
FunctionName = function.ShortName,
FunctionFullName = function.FullName,
HostIsNotRunning = !FunctionsController.HostHasHeartbeat(_heartbeatMonitor, function).GetValueOrDefault(true),
SubmitText = submitText
};
}
private ActionResult Invoke(string queueName, FormCollection form, FunctionSnapshot function, ExecutionReason reason, Guid? parentId)
{
if (function == null)
{
return HttpNotFound();
}
IDictionary<string, string> arguments = GetArguments(form);
Guid id = _invoker.TriggerAndOverride(queueName, function, arguments, parentId, reason);
return Redirect("~/#/functions/invocations/" + id);
}
private static StoreItem CreateStoreItem(FunctionSnapshot snapshot)
{
return new StoreItem
{
FunctionSnapshot = snapshot,
ETag = Guid.NewGuid().ToString()
};
}
private static IDictionary<string, string> CreateOtherMetadata(FunctionSnapshot snapshot)
{
return FunctionIndexEntry.CreateOtherMetadata(snapshot);
}
public bool UpdateOrCreateIfLatest(FunctionSnapshot snapshot, string currentETag, DateTimeOffset currentVersion)
{
return(_store.UpdateOrCreateIfLatest(snapshot.Id, snapshot.HostVersion, CreateOtherMetadata(snapshot),
snapshot, currentETag, currentVersion));
}
internal static bool? HostHasHeartbeat(IHeartbeatValidityMonitor heartbeatMonitor, FunctionSnapshot snapshot)
{
return HostHasHeartbeat(heartbeatMonitor, snapshot.HeartbeatExpirationInSeconds,
snapshot.HeartbeatSharedContainerName, snapshot.HeartbeatSharedDirectoryName);
}
private static bool TryResolveParameters(FunctionSnapshot function, FunctionInstanceSnapshot snapshot, out IEnumerable<FunctionParameterViewModel> resolvedParameters)
{
List<FunctionParameterViewModel> parameters = new List<FunctionParameterViewModel>();
foreach (KeyValuePair<string, ParameterSnapshot> parameter in function.Parameters)
{
if (!snapshot.Arguments.ContainsKey(parameter.Key))
{
resolvedParameters = null;
return false;
}
FunctionParameterViewModel parameterModel = new FunctionParameterViewModel
{
Name = parameter.Key,
Description = parameter.Value.Prompt,
Value = snapshot.Arguments[parameter.Key].Value
};
parameters.Add(parameterModel);
}
resolvedParameters = parameters;
return true;
}
private static IEnumerable<FunctionParameterViewModel> CreateParameters(FunctionSnapshot function)
{
List<FunctionParameterViewModel> parameters = new List<FunctionParameterViewModel>();
foreach (KeyValuePair<string, ParameterSnapshot> parameter in function.Parameters)
{
FunctionParameterViewModel parameterModel = new FunctionParameterViewModel
{
Name = parameter.Key,
Description = parameter.Value.Prompt,
Value = parameter.Value.DefaultValue
};
parameters.Add(parameterModel);
}
return parameters;
}
private IDictionary <string, string> CreateOtherMetadata(FunctionSnapshot snapshot)
{
return(FunctionIndexEntry.CreateOtherMetadata(snapshot));
}
public Guid TriggerAndOverride(string queueName, FunctionSnapshot function, IDictionary <string, string> arguments, Guid?parentId, ExecutionReason reason)
{
throw new NotImplementedException();
}
