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);
}
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);
}
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);
}
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 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);
}
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);
}
}
}
public void SetValues(IWritableReactiveTable targetTable)
{
while (_updates.Count > 0)
{
var update = _updates.Dequeue();
targetTable.SetValue(update.ColumnId, update.RowIndex, update.Value);
}
}
public void SetValues(IWritableReactiveTable targetTable)
{
foreach (var update in _updatesByRow.Values)
{
targetTable.SetValue(update.ColumnId, update.RowIndex, update.Value);
}
Clear();
}
/// <summary>
/// All Broker feeds must be started in same thread so that AddRow is called on same thread.
/// </summary>
public void Start()
{
_rowIndeces = new int[_ccyPairs.Length * _maturities.Length];
var count = 0;
foreach (var ccyPair in _ccyPairs)
{
for (var i = 0; i < _maturities.Length; i++)
{
var rowIndex = _table.AddRow();
_rowIndeces[count++] = rowIndex;
_table.SetValue(BrokerTableDefinition.BrokerColumns.MaturityColumn, rowIndex, _maturities[i]);
_table.SetValue(BrokerTableDefinition.BrokerColumns.CcyPairColumn, rowIndex, ccyPair);
_table.SetValue(BrokerTableDefinition.BrokerColumns.BrokerNameColumn, rowIndex, Name);
}
}
Task.Run(() => FeedBrokerData());
}
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);
}
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 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);
}
public void SetValue <T>(int rowIndex, int columnIndex, T value)
{
if (_writableTable == null)
{
return;
}
IReactiveColumn column;
var row = GetColAndRowFromGridCoordinates <T>(rowIndex, columnIndex, out column);
_writableTable.SetValue(column.ColumnId, row, value);
}
public void OnNext(TableUpdate update)
{
_threadMarshaller.Dispatch(
() =>
{
if (update.Action == TableUpdateAction.Add)
{
var newRowIndex = _targetTable.AddRow();
Debug.Assert(update.RowIndex == newRowIndex);
}
else if (update.Action == TableUpdateAction.Delete)
{
_targetTable.DeleteRow(update.RowIndex);
}
else if (update.Action == TableUpdateAction.Update)
{
// BUG: When this line is called the original update.Column may not contain the same state as when the outside method is called.
_targetTable.SetValue(update.Column.ColumnId, update.RowIndex, update.Column, update.RowIndex);
}
});
}
private void SynchroniseChanges(object state)
{
// Make copies to control exactly when we lock
List <TableUpdate> updates;
lock (_shared)
{
if (_updates.Count == 0)
{
return;
}
updates = _updates.DequeueAllToList();
}
_threadMarshaller.Dispatch(
() =>
{
foreach (var update in updates.Where(TableUpdate.IsRowUpdate))
{
if (update.Action == TableUpdateAction.Add)
{
_targetTable.AddRow();
}
else if (update.Action == TableUpdateAction.Delete)
{
_targetTable.DeleteRow(update.RowIndex);
}
}
// BUG: When this line is called the original update.Column may not contain the same state as when the outside method is called.
foreach (var update in updates.Where(TableUpdate.IsColumnUpdate))
{
_targetTable.SetValue(update.Column.ColumnId, update.RowIndex, update.Column, update.RowIndex);
}
});
}
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);
}