private PurchasePolicy CreateCondition(PolicyType type, string subject, ConditionType cond, string value)
{
PurchasePolicy policy = null;
switch (cond)
{
case ConditionType.AddressEqual:
policy = new AddressEquals(type, subject, value, SessionPolicies.Count);
break;
case ConditionType.PriceGreater:
policy = new PriceGreaterThan(type, subject, value, SessionPolicies.Count);
break;
case ConditionType.PriceLesser:
policy = new PriceLessThan(type, subject, value, SessionPolicies.Count);
break;
case ConditionType.QuantityGreater:
policy = new QuantityGreaterThan(type, subject, value, SessionPolicies.Count);
break;
case ConditionType.QuantityLesser:
policy = new QuantityLessThan(type, subject, value, SessionPolicies.Count);
break;
case ConditionType.UsernameEqual:
policy = new UsernameEquals(type, subject, value, SessionPolicies.Count);
break;
}
SessionPolicies.Add(policy);
return(policy);
}
private bool Equals(PriceGreaterThan obj)
{
bool answer = true;
if (Value == null)
{
answer = answer && (obj.Value == null);
}
if (Subject == null)
{
answer = answer && (obj.Subject == null);
}
if (Value != null)
{
answer = answer && (Value.Equals(obj.Value));
}
if (Subject != null)
{
answer = answer && (Subject.Equals(obj.Subject));
}
answer = answer && obj.ID.Equals(ID) && obj.Type.Equals(Type);
return(answer);
}