protected override void Check()
{
GenerateStateSpace(new C());
StateCount.ShouldBe(51);
TransitionCount.ShouldBe(52);
}
protected override void Check()
{
GenerateStateSpace(new C1());
StateCount.ShouldBe(3);
TransitionCount.ShouldBe(6);
ComputedTransitionCount.ShouldBe(6);
GenerateStateSpace(new C2());
StateCount.ShouldBe(1);
TransitionCount.ShouldBe(2);
ComputedTransitionCount.ShouldBe(2);
GenerateStateSpace(new C3());
StateCount.ShouldBe(1);
TransitionCount.ShouldBe(2);
ComputedTransitionCount.ShouldBe(3);
GenerateStateSpace(new C4());
StateCount.ShouldBe(2);
TransitionCount.ShouldBe(4);
ComputedTransitionCount.ShouldBe(5);
}
protected override void Check()
{
AllowFaultsOnInitialTransitions = true;
GenerateStateSpace(new C1());
StateCount.ShouldBe(3);
TransitionCount.ShouldBe(6);
ComputedTransitionCount.ShouldBe(6);
GenerateStateSpace(new C2());
StateCount.ShouldBe(1);
TransitionCount.ShouldBe(2);
ComputedTransitionCount.ShouldBe(2);
GenerateStateSpace(new C3());
StateCount.ShouldBe(1);
TransitionCount.ShouldBe(2);
ComputedTransitionCount.ShouldBe(3);
GenerateStateSpace(new C4());
StateCount.ShouldBe(2);
TransitionCount.ShouldBe(4);
ComputedTransitionCount.ShouldBe(5);
}
protected override void Check()
{
GenerateStateSpace(new C());
StateCount.ShouldBe(6);
TransitionCount.ShouldBe(26);
ComputedTransitionCount.ShouldBe(31);
}
public static async Task RunAsync([CosmosDBTrigger(
databaseName: "StoreDatabase",
collectionName: "CartContainerByState",
ConnectionStringSetting = "CosmosDBConnectionString",
CreateLeaseCollectionIfNotExists = true,
LeaseCollectionName = "materializedViewLeases")] IReadOnlyList <Document> input, ILogger log)
{
if (input != null && input.Count > 0)
{
var stateDict = new Dictionary <string, List <double> >();
foreach (var doc in input)
{
var action = JsonConvert.DeserializeObject <CartAction>(doc.ToString());
if (action.Action != ActionType.Purchased)
{
continue;
}
if (stateDict.ContainsKey(action.BuyerState))
{
stateDict[action.BuyerState].Add(action.Price);
}
else
{
stateDict.Add(action.BuyerState, new List <double> {
action.Price
});
}
}
var db = cosmosClient.GetDatabase(_databaseId);
var container = db.GetContainer(_containerId);
var tasks = new List <Task>();
foreach (var key in stateDict.Keys)
{
var query = new QueryDefinition("select * from StateSales s where s.State = @state").WithParameter("@state", key);
var resultSet = container.GetItemQueryIterator <StateCount>(query, requestOptions: new QueryRequestOptions()
{
PartitionKey = new Microsoft.Azure.Cosmos.PartitionKey(key), MaxItemCount = 1
});
while (resultSet.HasMoreResults)
{
var stateCount = (await resultSet.ReadNextAsync()).FirstOrDefault();
if (stateCount == null)
{
stateCount = new StateCount
{
State = key,
TotalSales = stateDict[key].Sum(),
Count = stateDict[key].Count
};
}
else
{
stateCount.TotalSales += stateDict[key].Sum();
stateCount.Count += stateDict[key].Count;
}
log.LogInformation("Upserting materialized view document");
tasks.Add(container.UpsertItemAsync(stateCount, new Microsoft.Azure.Cosmos.PartitionKey(stateCount.State)));
}
}
await Task.WhenAll(tasks);
}
}
private void Update(EvaluationContext context)
{
var wasUpdate = false;
var neighbourCount = NeighbourCount.GetValue(context).Clamp(1, 9);
var stateCount = StateCount.GetValue(context).Clamp(1, 100);
var seed = RandomSeed.GetValue(context);
var lambda = Lambda.GetValue(context);
var isotropic = Isotropic.GetValue(context);
if (neighbourCount != _neighbourCount ||
stateCount != _stateCount ||
seed != _randomSeed ||
Math.Abs(lambda - _lambda) > 0.001f ||
isotropic != _isotropic)
{
wasUpdate = true;
_neighbourCount = neighbourCount;
_stateCount = stateCount;
_randomSeed = seed;
_lambda = lambda;
_isotropic = isotropic;
_requiredBitCount = (int)Math.Ceiling(Math.Log(_stateCount, 2));
_ruleTableLength = 1 << (_requiredBitCount * neighbourCount);
if (_cellBuffer.Length != _ruleTableLength)
{
_cellBuffer = new Cell[_ruleTableLength];
}
var rand = new Random(seed);
var countPositives = 0f;
//_lambda = 0.49f;
for (var ruleIndex = 0; ruleIndex < _ruleTableLength; ruleIndex++)
{
var choice = rand.NextDouble();
var nextState = (choice > _lambda || ruleIndex == 0)
? 0
: (rand.Next(stateCount - 1) + 1);
if (nextState == 0)
{
countPositives++;
}
_cellBuffer[ruleIndex] = new Cell((uint)nextState);
_cellBuffer[FlipLookupIndex(ruleIndex)] = new Cell((uint)nextState);
}
// Initialize with random
// for (var ruleIndex = 0; ruleIndex < _ruleTableLength; ruleIndex++)
// {
// var nextState = rand.Next(stateCount);
// _cellBuffer[ruleIndex] = new Cell((uint)nextState);
// }
// Flip to approach lambda
//var countPositives = 0f;
// int step = _ruleTableLength/6;
// for (var ruleIndex = 0; ruleIndex < _ruleTableLength; ruleIndex+= step)
// {
// var currentL = MeasureLambda();
// if (currentL < _lambda)
// {
// _cellBuffer[ruleIndex] = new Cell((uint)rand.Next(stateCount-1)+1);
// _cellBuffer[FlipLookupIndex(ruleIndex)] = new Cell((uint)rand.Next(stateCount-1)+1);
// }
// else
// {
// _cellBuffer[ruleIndex] = new Cell(0);
// _cellBuffer[FlipLookupIndex(ruleIndex)] = new Cell(0);
// }
// //countPositives++;
// }
Log.Debug($" Lambda: {MeasureLambda()}");
const int stride = 4;
var resourceManager = ResourceManager.Instance();
_bufferWithViews.Buffer = _buffer;
resourceManager.SetupStructuredBuffer(_cellBuffer, stride * _cellBuffer.Length, stride, ref _buffer);
resourceManager.CreateStructuredBufferSrv(_buffer, ref _bufferWithViews.Srv);
resourceManager.CreateStructuredBufferUav(_buffer, UnorderedAccessViewBufferFlags.None, ref _bufferWithViews.Uav);
}
OutBuffer.Value = _bufferWithViews;
TableLength.Value = _ruleTableLength;
WasUpdated.Value = wasUpdate;
}
public async Task GetGeoReport(bool isAjax, string keyword, DateTime?start, DateTime?end)
{
this.SetFilters(isAjax, keyword, String.Empty, start, end);
/*
* Note: the OpenFDA API has a bug/limitation that it will not support a count on distribution_pattern.exact
* which would return complete distribution_pattern strings and allow more accurate parsing. Just counting
* distribution_pattern splits on individual words, so there is no reliable way to distinguish between e.g.
* IN for Indiana and the preposition "in". It will also fail to count two-word state names such as "South
* Dakota" because the words wil be split. Due to the time constraints on this prototype, this view model
* will accept this limitation of the API and return demonstrative but inaccurate results.
*
*/
// create state count list with all states and zero counts
int cnt = 0;
this.data = new List <StateCount> ();
foreach (KeyValuePair <string, string> kvp in StateNames.stateNames)
{
cnt++;
StateCount stateCount = new StateCount(cnt, kvp.Key, kvp.Value);
this.data.Add(stateCount);
}
OpenFDAQuery query = new OpenFDAQuery();
query.source = OpenFDAQuery.FDAReportSource.food;
query.type = OpenFDAQuery.FDAReportType.enforcement;
query.queryCount = "distribution_pattern";
var searchQuery = new List <string>();
if (!string.IsNullOrWhiteSpace(keyword))
{
searchQuery.Add(HttpUtility.UrlEncode(keyword));
}
if (start != null && end != null)
{
searchQuery.Add(string.Format("recall_initiation_date:[{0:yyyyMMdd}+TO+{1:yyyyMMdd}]", start.Value, end.Value));
}
if (searchQuery.Count > 0)
{
query.querySearch = string.Join("+AND+", searchQuery);
}
bool success = await query.RunQueryAsync();
if (!success)
{
this.ErrorMsg = "An error occurred executing the query. Please try again.";
}
else
{
this.ErrorMsg = String.Empty;
foreach (OpenFDAResult result in query.response.results)
{
var statecount = this.data.Where(s => s.StateAbbr.ToLower().Equals(result.term) || s.StateName.ToLower().Equals(result.term)).FirstOrDefault();
if (statecount != null)
{
int c = 0;
Int32.TryParse(result.count, out c);
statecount.Count += c;
}
}
}
}
