/// <summary>
/// Adds the specified security to this universe
/// </summary>
/// <param name="utcTime">The current utc date time</param>
/// <param name="security">The security to be added</param>
/// <returns>True if the security was successfully added,
/// false if the security was already in the universe</returns>
internal override bool AddMember(DateTime utcTime, Security security)
{
// never add members to disposed universes
if (DisposeRequested)
{
return(false);
}
if (Securities.ContainsKey(security.Symbol))
{
return(false);
}
// method take into account the case, when the option has experienced an adjustment
// we update member reference in this case
if (Securities.Any(x => x.Value.Security == security))
{
Member member;
Securities.TryRemove(security.Symbol, out member);
}
var added = Securities.TryAdd(security.Symbol, new Member(utcTime, security));
if (added && _liveMode)
{
_addTimesBySymbol[security.Symbol] = utcTime;
}
return(added);
}
/// <summary>
/// Tries to remove the specified security from the universe. This
/// will first check to verify that we can remove the security by
/// calling the <see cref="CanRemoveMember"/> function.
/// </summary>
/// <param name="utcTime">The current utc time</param>
/// <param name="security">The security to be removed</param>
/// <returns>True if the security was successfully removed, false if
/// we're not allowed to remove or if the security didn't exist</returns>
internal virtual bool RemoveMember(DateTime utcTime, Security security)
{
if (CanRemoveMember(utcTime, security))
{
Member member;
return(Securities.TryRemove(security.Symbol, out member));
}
return(false);
}
/// <summary>
/// Adds the specified security to this universe
/// </summary>
/// <param name="utcTime">The current utc date time</param>
/// <param name="security">The security to be added</param>
/// <returns>True if the security was successfully added,
/// false if the security was already in the universe</returns>
internal override bool AddMember(DateTime utcTime, Security security)
{
if (Securities.ContainsKey(security.Symbol))
{
return(false);
}
// method take into account the case, when the option has experienced an adjustment
// we update member reference in this case
if (Securities.Any(x => x.Value.Security == security))
{
Member member;
Securities.TryRemove(security.Symbol, out member);
}
return(Securities.TryAdd(security.Symbol, new Member(utcTime, security)));
}