//-------------------------------------------------------------------------
/// <summary>
/// Creates an instance wrapping the specified listener. </summary>
/// <param name="listener"> the underlying listener wrapped by this object </param>
/// <param name="tasksExpected"> the number of tasks to be executed </param>
/// <param name="columns"> the columns for which values are being calculated </param>
internal ListenerWrapper(CalculationListener listener, int tasksExpected, IList <CalculationTarget> targets, IList <Column> columns)
{
this.listener = ArgChecker.notNull(listener, "listener");
this.tasksExpected = ArgChecker.notNegative(tasksExpected, "tasksExpected");
listenerLock.@lock();
try
{
listener.calculationsStarted(targets, columns);
if (tasksExpected == 0)
{
listener.calculationsComplete();
}
}
finally
{
listenerLock.unlock();
}
}
public override void calculationsStarted(IList <CalculationTarget> targets, IList <Column> columns)
{
@delegate.calculationsStarted(targets, columns);
}
