java j2ee design pattern
TRANSCRIPT
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J/J2EE D P
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J/J2EE D P
C
,
.
, , , , .
C . I . A
.
A . A C
.
.
I . L
. O ,
CE.
F CE
. B .
OC CE. OC . H .
.
, . I
. A
C. I () .
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.
...;
C
();
.
...;
OC C
CE ;
OC(CE )
. = ;
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J/J2EE D P
()
.();
.
...;
..L;
MAC C
L L;
MAC(L L)
.L = L;
@O ()
(CE : L)
.();
.
...;
CE
();
();
.
...;
CE
()
..(" !");
@O
()
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..(" !");
.
...;
CE
()
..(" !");
@O
()
..(" !");
.
. ..;
B
C ;
B(C )
. = ;
()
.();
.
...;
CE AD()
// :)
//
= ();
;
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.
...;
..AL;
..L;
DCP
( )
// OC
CE = .AD();
OC C = OC();
B B = B(C);
B.();
= ();
= ();
L = AL();
.();
.();
MAC A = MAC();
B AB = B(A);
AB.();
C . .
C . H
.
C . A .
. I .
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J2EE P
M//C(MC) . M ,
C . MC
, .
&
A . A , . D . I . A .
o A MC.
M//C(MC) , OO .
MC . M ,
GI, C
M .
MC , M
C. GI . I .
M .
GI. .
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J/J2EE D P
GI, DM(C)
GI' . I , DM,
DM ,
GI. GI .
H M, DM C GI .
DM (
), GI
. A
.
I ,
. OOA/OOD.
,
.
. A . C
. F
. .
E . H , ,
, , . A , , E
, , E , , L
.
.
C . C
. GF.
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I ,
. A , I
. L I
.
L . A
( 1, 2 4 )
. O
. F , , ,
, . .
P . M
.
I , .
M . I ,
.
. C
.
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. I
, . L (
) .
C: ()
1. C . I .2. I .3. ()
, .
L: ( )
1. .2. D
C: ()
1. C 2. I .
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...;
B G
()
..("B");
...;
G
();
...;
..AL;
..L;
G
// C .
L = AL();
()
(G : )
.();
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// A .
(G )
.();
// .
(G )
.();
...;
IC
( )
//I
B 1 = B();B 2 = B();
B 3 = B();
//I
= ();
1 = ();
2 = ();
//C
1.(1);
1.(2);
2.(3);
.(1);
.(2);
.();
/
..C#(C) ,
...IC#C()
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