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);
}
/// <summary>
/// Called on the target table thread - copies adds/updates/deletes
/// </summary>
/// <param name="rowUpdatesAdd"></param>
/// <param name="colUpdaters"></param>
/// <param name="rowUpdatesDelete"></param>
private void CopyChanges(List <TableUpdate> rowUpdatesAdd, List <ITableColumnUpdater> colUpdaters, List <TableUpdate> rowUpdatesDelete)
{
try
{
// Copy the adds
if (rowUpdatesAdd != null)
{
for (var i = 0; i < rowUpdatesAdd.Count; i++)
{
_targetTable.AddRow();
}
}
// Copy the updates
foreach (var updater in colUpdaters)
{
updater.SetValues(_targetTable);
}
// Copy the deletes
if (rowUpdatesDelete != null)
{
for (var i = 0; i < rowUpdatesDelete.Count; i++)
{
_targetTable.DeleteRow(rowUpdatesDelete[i].RowIndex);
}
}
}
finally
{
StartTimer();
}
}
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 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);
}
/// <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());
}
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);
}
});
}
