static void Main(string[] args)
{
var generator = new Greeting(
new OutOfState(
new PremiumPlan(
new SpecialPlanDisclaimer(
null))));
var member = new MemberInformation
{
Name = "Sally Smith",
County = "Hartford",
Plan = "X1234",
State = "CT",
};
generator.GenerateMessage(Console.Out, member);
Console.WriteLine("---------------");
member = new MemberInformation
{
Name = "John Smith",
County = "New Haven",
Plan = "X1234P",
State = "CT",
};
generator.GenerateMessage(Console.Out, member);
Console.WriteLine("---------------");
member = new MemberInformation
{
Name = "Joan Smith",
County = "Litchfield",
Plan = "1234P",
State = "CT",
};
generator.GenerateMessage(Console.Out, member);
Console.WriteLine("---------------");
member = new MemberInformation
{
Name = "Richard Smith",
County = "Kings",
Plan = "1234P",
State = "NY",
};
generator.GenerateMessage(Console.Out, member);
}
public void GenerateMessage(TextWriter writer, MemberInformation member)
{
if (IsApplicable(member))
{
Write(writer, member);
}
if (_next != null)
{
_next.GenerateMessage(writer, member);
}
}
protected abstract bool IsApplicable(MemberInformation member);
protected abstract void Write(TextWriter writer, MemberInformation member);
protected override bool IsApplicable(MemberInformation member)
{
return(true);
}
protected override void Write(TextWriter writer, MemberInformation member)
{
writer.WriteLine($"{member.Name},");
writer.WriteLine("Welcome to our health plan! We're very happy to have you.");
}
protected override void Write(TextWriter writer, MemberInformation member)
{
writer.WriteLine("Since you're an out-of-state member, ...");
}
protected override bool IsApplicable(MemberInformation member)
{
return(member.State != "CT");
}
protected override void Write(TextWriter writer, MemberInformation member)
{
writer.WriteLine("Since you're a member of our special plan, we need to tell you some extra important information...");
}
protected override bool IsApplicable(MemberInformation member)
{
return(member.Plan.StartsWith("X1"));
}
protected override void Write(TextWriter writer, MemberInformation member)
{
writer.WriteLine("Your premium of {0} is due on the first of each month. Please visit our website to set up payments, or call XXX-XXX-XXXX.");
}