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22仿真币
现有二类产品，A和B，如何实现1个A和1个B组装成1个C？我用orderlist建了二个OL_1和OL_2,分别用于A和B的等待，到了下一个进程，要取用的时候，一个都取不出来，实在不知为什么了，请大侠帮忙。% X1 S+ ]3 l$ N1 @
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begin P_wait arriving
' u) {/ r s ?" |. L; P3 T" F if this load type=L_a1 then
' T0 {3 ^! x8 N- A wait to be ordered on OL_1
# J1 Z( K B' m5 I if this load type=L_b1 then" n& z, h f/ H7 d$ J- M
wait to be ordered on OL_2# N) c/ l3 O4 m5 \ {$ y0 }
send to P_assemble
* l2 O2 n, n* U7 `5 w( gend
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: {: J9 C9 Z3 A# l: [" L' tbegin P_assemble arriving K, [% S9 I; N" X* i
order a load from OL_1 to die
. i( |5 ?2 W# E l+ Y( I in case order not filled backorder on OL_12 S3 L; d, g p
order a load from OL_2 to continue
3 l( y1 T+ [! B# x: u& n8 p( W2 K in case order not filled backorder on OL_2
0 x# p. u+ l- z0 V2 O% d! Y" C set load type to L_product
+ r' W( } m, E, R+ _, v( d; d y' k get R_massm
/ u4 l5 ~) ~* n: J1 a3 A wait for normal 5,1 min$ e9 A3 ]6 o9 g# ^+ P
free R_massm {8 i$ v% p& P4 [
move into Q_stock
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发表于 2009-6-14 16:41:55
楼主