private static void AddPerson(IWritableReactiveTable people, int id, string name)
{
var rowIndex = people.AddRow();
people.SetValue(PersonColumns.IdColumn, rowIndex, PersonIdOffset + id);
people.SetValue(PersonColumns.NameColumn, rowIndex, name);
}
public static IReactiveTable CreateJoinedReactiveTable(out IWritableReactiveTable table1, out IWritableReactiveTable table2)
{
table1 = CreateReactiveTable();
table2 = CreateReactiveTable2();
return(table1.Join(table2, new Join <int>(table1, TestTableColumns.IdColumn, table2, TestTableColumns.OtherIdColumn2)));
}
private void UpdateRates(Dictionary <string, int> ccyPairsToRowIds, IWritableReactiveTable fxRates, bool full = true)
{
for (var i = 0; i < _currencyList.Length; i++)
{
for (var j = i + 1; j < _currencyList.Length; j++)
{
var ccy1 = _currencyList[i];
var ccy2 = _currencyList[j];
var ccyPair = ccy1 + ccy2;
var rowId = ccyPairsToRowIds[ccyPair];
if (full)
{
fxRates.SetValue(FxTableDefinitions.FxRates.CcyPairId, rowId, ccyPair);
}
fxRates.SetValue(FxTableDefinitions.FxRates.Bid, rowId, GetRandomBidAsk());
fxRates.SetValue(FxTableDefinitions.FxRates.Ask, rowId, GetRandomBidAsk());
fxRates.SetValue(FxTableDefinitions.FxRates.Open, rowId, GetRandomBidAsk());
fxRates.SetValue(FxTableDefinitions.FxRates.Close, rowId, GetRandomBidAsk());
fxRates.SetValue(FxTableDefinitions.FxRates.YearRangeStart, rowId, GetRandomBidAsk());
fxRates.SetValue(FxTableDefinitions.FxRates.YearRangeEnd, rowId, GetRandomBidAsk());
fxRates.SetValue(FxTableDefinitions.FxRates.Change, rowId, GetRandomBidAsk());
fxRates.SetValue(FxTableDefinitions.FxRates.Time, rowId, DateTime.UtcNow);
// var ticksElapsed = DateTime.Now.Ticks - _start.Ticks;
// fxRates.SetValue(FxTableDefinitions.FxRates.Ticks, rowId, ticksElapsed);
}
}
}
private void AddRow(string groupVal, int value, IWritableReactiveTable table1, string GroupColumnId, string ValueColumnId)
{
var row1 = table1.AddRow();
table1.SetValue(GroupColumnId, row1, groupVal);
table1.SetValue(ValueColumnId, row1, value);
}
public void SetValues(IWritableReactiveTable targetTable)
{
while (_updates.Count > 0)
{
var update = _updates.Dequeue();
targetTable.SetValue(update.ColumnId, update.RowIndex, update.Value);
}
}
private void AddCurrencyPair(IWritableReactiveTable currencyPairsWire, string ccyPair)
{
var row = currencyPairsWire.AddRow();
currencyPairsWire.SetValue(BrokerTableDefinition.BrokerClientColumns.ClientIpColumn, row, IPAddress.Loopback.ToString());
currencyPairsWire.SetValue(BrokerTableDefinition.BrokerClientColumns.ClientCcyPairColumn, row, ccyPair);
currencyPairsWire.SetValue(BrokerTableDefinition.BrokerClientColumns.ClientSide.Selected, row, false);
}
// private readonly IDisposable _columnSubscription;
public TableSynchroniser(IReactiveTable sourceTable, IWritableReactiveTable targetTable, IThreadMarshaller threadMarshaller)
{
_sourceTable = sourceTable;
_targetTable = targetTable;
_threadMarshaller = threadMarshaller;
_subscription = _sourceTable.Subscribe(this);
}
public void SetValues(IWritableReactiveTable targetTable)
{
foreach (var update in _updatesByRow.Values)
{
targetTable.SetValue(update.ColumnId, update.RowIndex, update.Value);
}
Clear();
}
private static void AddAccount(IWritableReactiveTable accountsWire, int accountId, int personId, decimal balance)
{
var rowId = accountsWire.AddRow();
accountsWire.SetValue(AccountColumns.IdColumn, rowId, AccountIdOffset + accountId);
accountsWire.SetValue(AccountColumns.PersonId, rowId, PersonIdOffset + personId);
accountsWire.SetValue(AccountColumns.AccountBalance, rowId, balance);
}
/// <summary>
/// Create batched pass through table - uses a timer
/// </summary>
/// <param name="targetTable">The table to write to</param>
/// <param name="marshaller">The thread marshaller</param>
/// <param name="delay">The frequency with which we should update the target table</param>
/// <param name="onlyKeepLastValue">Whether to only keep the last value for a column/cell position</param>
public ReactiveBatchedPassThroughTable(IWritableReactiveTable targetTable, IThreadMarshaller marshaller, TimeSpan delay, bool onlyKeepLastValue = false)
: this(targetTable, marshaller, onlyKeepLastValue)
{
_timer = new System.Timers.Timer(delay.TotalMilliseconds);
_timer.Elapsed += (sender, args) => SynchroniseChanges();
_timer.AutoReset = false;
_timer.Start();
}
private void StartReceiving(IWritableReactiveTable currenciesWire, Dictionary <string, int> columnsToFieldIds, int port)
{
var endPoint = new IPEndPoint(IPAddress.Loopback, port);
var client = new ReactiveTableTcpClient <IWritableReactiveTable>(new ProtobufTableDecoder(), currenciesWire,
new ProtobufDecoderState(columnsToFieldIds.InverseUniqueDictionary()), endPoint);
_clients.Add(client);
client.Start();
}
private static void UpdateRandomPerson(IWritableReactiveTable people, int maxId, Random random)
{
var id = random.Next(1, maxId);
var rowIndex = id - 1;
// var currentValue = People.GetValue<string>(PersonColumns.NameColumn, rowIndex);
people.SetValue(PersonColumns.NameColumn, rowIndex, new string('*', random.Next(0, BatchSize)));
// People.SetValue(PersonColumns.NameColumn, rowIndex, "Modified at " + DateTime.Now);
}
private static void UpdateRandomAccount(IWritableReactiveTable accounts, int maxId, Random random)
{
var id = random.Next(1, maxId);
var rowIndex = id - 1;
var currentBalance = random.Next(0, 100000); // accounts.GetValue<decimal>(AccountColumns.AccountBalance, rowIndex);
decimal offset = id % 2 == 0 ? 3242 : -7658;
accounts.SetValue(AccountColumns.AccountBalance, rowIndex, currentBalance + offset);
}
private static int AddRow(IWritableReactiveTable table, int id, string stringVal, decimal decimalVal)
{
var row1 = table.AddRow();
table.SetValue(TestTableColumns.IdColumn, row1, id);
table.SetValue(TestTableColumns.StringColumn, row1, stringVal);
table.SetValue(TestTableColumns.DecimalColumn, row1, decimalVal);
return(row1);
}
public static void SetAndTestValueNotPresent <T>(IWritableReactiveTable setTable,
IReactiveTable getTable,
int setRowId,
int getRowId,
T value,
string columnId)
{
setTable.SetValue(columnId, setRowId, value);
Assert.AreEqual(default(T), getTable.GetValue <T>(columnId, getRowId));
}
public BatchedTableSynchroniser(ReactiveTable sourceTable, IWritableReactiveTable targetTable,
IThreadMarshaller threadMarshaller, TimeSpan delay)
{
_sourceTable = sourceTable;
_targetTable = targetTable;
_threadMarshaller = threadMarshaller;
_timer = new Timer(SynchroniseChanges, null, delay, delay);
_subscription = _sourceTable.Subscribe(this);
}
public PersonAccountsViewModel(IReactiveTable personAccounts, IWritableReactiveTable accounts)
{
_personAccounts = personAccounts;
PersonAccounts = new IndexedObservableCollection <PersonAccountViewModel, int>(h => h.RowIndex);
_subscription = _personAccounts.ReplayAndSubscribe(OnNext);
Change = new DelegateCommand(
() => accounts.SetValue(AccountColumns.AccountBalance, CurrentRowIndex, (decimal)DateTime.Now.Millisecond));
_personAccounts.ChangeNotifier.RegisterPropertyNotifiedConsumer(this, CurrentRowIndex);
}
private static void StartBrokerFeeds(IWritableReactiveTable feeds)
{
var feeders = new List <BrokerFeed>
{
new BrokerFeed("Tullet", feeds),
new BrokerFeed("VolBroker", feeds),
new BrokerFeed("Tradition", feeds)
};
foreach (var brokerFeed in feeders)
{
brokerFeed.Start();
}
}
private void SetupClientCcyPairServer(IWritableReactiveTable clientsTable, IReactiveTableProcessor <IWritableReactiveTable> tableDecoder)
{
clientsTable.Subscribe(update => Console.WriteLine("Server side: " + update.ToString()));
// Used non-batched pass through as we won't be receiving much data.
var server = new ReactiveTableTcpServer <IWritableReactiveTable>(
() => tableDecoder,
new IPEndPoint(IPAddress.Loopback, (int)ServerPorts.BrokerFeedClients),
_finished,
s => clientsTable);
// Start the server in a new thread
Task.Run(() => server.Start(GetDecoderState()));
}
private IWritableReactiveTable SetupAccountTable(IWritableReactiveTable accounts,
List <IReactiveColumn> baseAccountColumns,
Dispatcher dispatcher)
{
baseAccountColumns.ForEach(col => accounts.AddColumn(col));
// Create the wire table
var accountsWire = new ReactiveBatchedPassThroughTable(accounts, new WpfThreadMarshaller(dispatcher), _synchroniseTablesDelay);
// var accountsWire = new ReactiveTable(accounts);
// new BatchedTableSynchroniser(accountsWire, accounts, new WpfThreadMarshaller(dispatcher), _synchroniseTablesDelay);
return(accountsWire);
}
protected void SetTable(IReactiveTable table)
{
_table = table;
_writableTable = _table as IWritableReactiveTable;
_token = table.ReplayAndSubscribe(OnNext);
var sortedTable = table as ISortedTable;
if (sortedTable != null)
{
RowPositionsUpdated = sortedTable.RowPositionsUpdated;
}
// TODO: This should look up a dictionary of column id's to friendly column names
ColumnNames = table.Columns.Select(c => c.ColumnId.Substring(c.ColumnId.LastIndexOf('.') + 1)).ToList();
_columnIds = table.Columns.Select(c => c.ColumnId).ToList();
}
private void StartReceiving(IWritableReactiveTable wireTable, Dictionary <string, int> columnsToFieldIds, int port, IReactiveTableProcessor <IWritableReactiveTable> decoder)
{
var endPoint = new IPEndPoint(IPAddress.Loopback, port);
var client = new ReactiveTableTcpClient <IWritableReactiveTable>(decoder,
wireTable,
GetDecoderState(columnsToFieldIds),
endPoint);
_feedClient = client;
try
{
client.Start();
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
private IWritableReactiveTable SetupPersonTable(IWritableReactiveTable people,
List <IReactiveColumn> baseColumns,
Dispatcher dispatcher)
{
// Wire up the two tables before the dynamic columns
var peopleWire = new ReactiveBatchedPassThroughTable(people, new WpfThreadMarshaller(dispatcher), _synchroniseTablesDelay);
// var PeopleWire = new ReactiveTable(People);
// new BatchedTableSynchroniser(PeopleWire, People, new WpfThreadMarshaller(dispatcher), _synchroniseTablesDelay);
people.AddColumn(new ReactiveCalculatedColumn2 <string, int, string>(
PersonColumns.IdNameColumn,
(IReactiveColumn <int>)baseColumns[0],
(IReactiveColumn <string>)baseColumns[1],
(idVal, nameVal) => idVal + nameVal));
return(peopleWire);
}
/// <summary>
/// Create batched pass through table
/// </summary>
/// <param name="targetTable">The table to write to</param>
/// <param name="marshaller">The thread marshaller</param>
/// <param name="onlyKeepLastValue">Whether to only keep the last value for a column/cell position</param>
public ReactiveBatchedPassThroughTable(IWritableReactiveTable targetTable, IThreadMarshaller marshaller, bool onlyKeepLastValue = false)
{
_targetTable = targetTable;
_marshaller = marshaller;
_onlyKeepLastValue = onlyKeepLastValue;
}
public static void SetAndTestValue <T>(IWritableReactiveTable table, int rowId, T value, string columnId)
{
table.SetValue(columnId, rowId, value);
Assert.AreEqual(value, table.GetValue <T>(columnId, rowId));
}
public static void SetAndTestValue <T>(IWritableReactiveTable setTable, IReactiveTable getTable, int setRowId, int getRowId, T value, string columnId)
{
setTable.SetValue(columnId, setRowId, value);
TestValue(getTable, getRowId, value, columnId);
}
public BrokerFeed(string name, IWritableReactiveTable table)
{
Name = name;
_table = table;
}
private static void AddTestPeople(IWritableReactiveTable people)
{
AddPerson(people, 1, "Mendel");
AddPerson(people, 2, "Marie");
}
private static void AddTestAccounts(IWritableReactiveTable accounts)
{
AddAccount(accounts, 1, 1, 10m);
AddAccount(accounts, 2, 1, 100m);
AddAccount(accounts, 3, 2, 10000m);
}