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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。
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begin P_wait arriving) y, r# j. d* Z% L! i
if this load type=L_a1 then6 v6 e# ~* x% [. ~$ D% T8 ~
wait to be ordered on OL_1
& M2 |! x9 ]& C, Q2 Q/ S, g3 n if this load type=L_b1 then
( c1 ?5 ~1 F) r wait to be ordered on OL_2# s, H) X. P1 |
send to P_assemble
! { d4 O/ g, K1 L) L, M* ]9 p+ Vend
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, m5 D4 o9 q q/ W" K. \begin P_assemble arriving8 J: a! R. r* T7 {: Z! s
order a load from OL_1 to die
4 u7 k5 c3 W8 }! @ Z/ p1 F+ h' O in case order not filled backorder on OL_1
( ?7 b0 M- l* \* Y" f8 n: L Q6 T order a load from OL_2 to continue
; s9 A4 O! N6 V( a2 `/ O# |0 G in case order not filled backorder on OL_2
2 S+ i4 y) @8 X3 g set load type to L_product
5 A0 Q! w* ^) v1 d. m+ c get R_massm
; `* B6 i, y7 S3 q4 D/ R wait for normal 5,1 min4 T; q+ G7 s% b$ l; h3 y
free R_massm
* j. U6 i$ @' c8 ` move into Q_stock
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发表于 2009-6-14 16:41:55
楼主