1
2{factory method of "Headfirst design mode" Factory mode}
3{Product Class}
4{compiler tool: Delphi2007 for Win32}
5{Contact information: [Email protected]}
6
7unit uproducts;
8
9interface
10
11type
{Abstract Pizza}
13
Tpizza = Class abstract (TObject)
Strict private
function getname:string;
Strict protected
fname:string;
fdough:string;
fsauce:string;
Public
Procedure Prepare;
Procedure Bake;
Procedure Cut; Virtual
Procedure Box;
Name:string read GetName;
End;
28
{NY Style Pizza}
30
Tnystylecheesepizza = Class (Tpizza)
Public
Constructor Create;
The end;
35
Tnystyleclampizza = Class (Tpizza)
Notoginseng Public
Constructor Create;
The end;
40
Tnystylepepperonipizza = Class (Tpizza)
Public
Constructor Create;
The end;
45
Tnystyleveggiepizza = Class (Tpizza)
Public
Constructor Create;
The end;
50
Wuyi {Chicago Style Pizza}
52
Tchicagostylecheesepizza = Class (Tpizza)
Public
Constructor Create;
Procedure Cut; Override
The end;
58
Tchicagostyleclampizza = Class (Tpizza)
Public
Constructor Create;
Procedure Cut; Override
The end;
64
Tchicagostylepepperonipizza = Class (Tpizza)
Public
Constructor Create;
Procedure Cut; Override
The end;
70
Tchicagostyleveggiepizza = Class (Tpizza)
Public
Constructor Create;
Procedure Cut; Override
The end;
76
77implementation
78
79{Tpizza}
80
81procedure Tpizza.bake;
82begin
Writeln (' Bake for the Minutes at 350 ');
84end;
85
86procedure Tpizza.box;
87begin
Writeln (' place pizza in official Pizzastore box ');
89end;
90
91procedure Tpizza.cut;
92begin
Writeln (' Cutting the pizza into diaginal slices ');
94end;
95
96function TPizza.GetName:string;
97begin
98 Result: = FName;
99end;
100
101procedure Tpizza.prepare;
102begin
103 Writeln (' Preparing ' + FName);
104 Writeln (' tossing dough ');
Writeln (' Adding sauce ');
106 Writeln (' Adding topping: ');
107end;
108
109{Tnystylecheesepizza}
110
111constructor tnystylecheesepizza.create;
112begin
113 FName: = ' NY Style Sauce and Cheese Pizza ';
Fdough: = ' Thin crust dough ';
Fsauce: = ' marinara Sauce ';
116end;
117
118{Tnystyleclampizza}
119
120constructor tnystyleclampizza.create;
121begin
122 FName: = ' NY Style Clam Pizza ';
123 Fdough: = ' Thin crust dough ';
124 Fsauce: = ' marinara Sauce ';
125end;
126
127{Tnystylepepperonipizza}
128
129constructor tnystylepepperonipizza.create;
130begin
131 FName: = ' NY Style pepperoni Pizza ';
Fdough: = ' Thin crust dough ';
133 Fsauce: = ' marinara Sauce ';
134end;
135
136{Tnystyleveggieizza}
137
138constructor tnystyleveggiepizza.create;
139begin
FName: = ' NY Style Veggie Pizza ';
141 Fdough: = ' Thin crust dough ';
142 Fsauce: = ' marinara Sauce ';
143end;
144
145{Tchicagostylecheesepizza}
146
147constructor tchicagostylecheesepizza.create;
148begin
149 FName: = ' Chicago Style deep Dish Cheese Pizza ';
Fdough: = ' Extra Thick crust dough ';
151 fsauce: = ' Plum Tomato Sauce ';
152end;
153
154procedure Tchicagostylecheesepizza.cut;
155begin
156 Writeln (' cutting the pizza into square slices ');
157end;
158
159{Tchicagostyleclampizza}
160
161constructor tchicagostyleclampizza.create;
162begin
163 FName: = ' Chicago Style Clam Pizza ';
164 Fdough: = ' Extra Thick crust dough ';
165 Fsauce: = ' Plum Tomato Sauce ';
166end;
167
168procedure Tchicagostyleclampizza.cut;
169begin
Writeln (' cutting the pizza into square slices ');
171end;
172
173{Tchicagostylepepperonipizza}
174
175constructor tchicagostylepepperonipizza.create;
176begin
177 FName: = ' Chicago Style pepperoni Pizza ';
178 Fdough: = ' Extra Thick crust dough ';
179 Fsauce: = ' Plum Tomato Sauce ';
180end;
181
182procedure Tchicagostylepepperonipizza.cut;
183begin
184 Writeln (' cutting the pizza into square slices ');
185end;
186
187{Tchicagostyleveggiepizza}
188
189constructor tchicagostyleveggiepizza.create;
190begin
191 FName: = ' Chicago Style Veggie Pizza ';
192 Fdough: = ' Extra Thick crust dough ';
193 Fsauce: = ' Plum Tomato Sauce ';
194end;
195
196procedure Tchicagostyleveggiepizza.cut;
197begin
198 Writeln (' cutting the pizza into square slices ');
199end;
200
201end.
202
1
2{factory method of "Headfirst design mode" Factory mode}
3{Factory Class}
4{compiler tool: Delphi2007 for Win32}
5{Contact information: [Email protected]}
6
7unit ufactory;
8
9interface
10
11uses
uproducts;
13
14type
Tpizzastore = Class abstract (TObject)
Strict protected
Fpizza:tpizza;
Public
function Orderpizza (Category:integer): Tpizza;
function Createpizza (Category:integer): Tpizza; Virtual Abstract
The end;
22
Tnypizzastore = Class (Tpizzastore)
Public
function Createpizza (Category:integer): Tpizza; Override
destructor Destroy; Override
End;
28
Tchicagopizzastore = Class (Tpizzastore)
Public
-Function Createpizza (Category:integer): Tpizza; Override
destructor Destroy; Override
The end;
34
35implementation
36
37{Tpizzastore}
38
39function Tpizzastore.orderpizza (Category:integer): Tpizza;
40begin
Fpizza: = Createpizza (Category);
42
Fpizza.prepare;
Fpizza.bake;
Fpizza.cut;
Fpizza.box;
47
The Result: = Fpizza;
49end;
50
51{Tnypizzastore}
52
53function Tnypizzastore.createpizza (Category:integer): Tpizza;
54begin
Case Category of
0:result: = tnystylecheesepizza.create;
1:result: = tnystyleclampizza.create;
2:result: = tnystylepepperonipizza.create;
3:result: = tnystyleveggiepizza.create;
All else
The Result: = nil;
The end;
63end;
64
65destructor Tnypizzastore.destroy;
66begin
Fpizza.free;
Inherited Destroy;
69end;
70
71{Tchicagopizzastore}
72
73function Tchicagopizzastore.createpizza (Category:integer): Tpizza;
74begin
The case Category of
0:result: = tchicagostylecheesepizza.create;
1:result: = tchicagostyleclampizza.create;
2:result: = tchicagostylepepperonipizza.create;
3:result: = tchicagostyleveggiepizza.create;
+ Else
Bayi Result: = nil;
The end;
83end;
84
85destructor Tchicagopizzastore.destroy;
86begin
Fpizza.free;
Inherited Destroy;
89end;
90
91end.
92
1
2{factory method of "Headfirst design mode" Factory mode}
3{Client}
4{compiler tool: Delphi2007 for Win32}
5{Contact information: [Email protected]}
6
7program ppizzastoretest;
8
9{$APPTYPE CONSOLE}
10
11uses
Ufactory in ' Ufactory.pas ',
Uproducts in ' Uproducts.pas ';
14
15var
Anystore:tpizzastore;
Achicagostore:tpizzastore;
Apizza:tpizza;
19
20begin
Anystore: = tnypizzastore.create;
Apizza: = Anystore.orderpizza (0);
Writeln (' Ethan ordered a ' + apizza.name);
Anystore.free;
25
Writeln;
27
Achicagostore: = tchicagopizzastore.create;
Apizza: = Achicagostore.orderpizza (0);
Writeln (' Joel ordered a ' + apizza.name);
Achicagostore.free;
32
READLN;
34end.
35
Operation Result:
Delphi design mode: "Headfirst design mode" DELPHI2007 Code---Factory method of plant mode [go]
