Design Patterns: Solidify Your C # Application Arch
Source: Internet
Author: User
Design Patterns: Solidify Your C # Application Architecture with Design Patterns Chinese edition (part 1) optimizer)
Keyword design pattern singleton strategy decorator composite state
SOURCE http://msdn.microsoft.com/library/default.asp? Url =/library/en-us/dnmag01/html/PATTERNS. asp
Design Patterns: Solidify Your C # Application Architecture with Design Patterns Chinese edition (part 1)
Author: Samir Bajaj
Translator: Glory
[Translation: C # Advanced article. The translator simply sorts out the C # examples provided by Samir (some of the code provided by the author cannot be compiled in the translator's environment) and compiles the corresponding C ++ example, put them in comments for readers to compare. All C # and C ++ debugging environments are Microsoft Visual Studio. NET 7.0 Beta2]
The following is a complete example of the state mode.
C # example:
Using System;
Abstract class State
{
Public virtual void AddNickel (VendingMachine vm ){}
Public virtual void AddDime (VendingMachine vm ){}
Public virtual void AddQuarter (VendingMachine vm ){}
Protected virtual void ChangeState (VendingMachine vm, State s)
{
Vm. ChangeState (s );
}
}
Class VendingMachine
{
Private State state;
Public VendingMachine ()
{
Console. WriteLine ("The Vending Machine is now online: product costs 25c ");
State = Start. Instance ();
}
Public void ChangeState (State)
{
State =;
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