/test/language/unclassified/aux_jlp8_cross.e

 1-- This file is part of SmartEiffel The GNU Eiffel Compiler Tools and Libraries.
 2-- See the Copyright notice at the end of this file.
 3--
 4deferred class AUX_JLP8_CROSS[E, F, G]
 5
 6inherit
 7   AUX_JLP8_PROVIDER[G]
 8      redefine is_runnable
 9      end
10
11feature {ANY}
12   attach (p1: AUX_JLP8_PROVIDER[E]; p2: AUX_JLP8_PROVIDER[F])
13      do
14         prov1 := p1
15         prov2 := p2
16      end
17
18   start
19      do
20         prov1.start
21         prov2.start
22      end
23
24   next
25      do
26         prov1.next
27         prov2.next
28      end
29
30   item: G
31      do
32         Result := cross_operation(prov1.item, prov2.item)
33      end
34
35   exhausted: BOOLEAN
36      do
37         Result := prov1.exhausted or prov2.exhausted
38      end
39
40   abort
41      do
42         prov1.abort
43         prov2.abort
44      end
45
46   aborted: BOOLEAN
47      do
48         Result := prov1.aborted or prov2.aborted
49      end
50
51   is_runnable: BOOLEAN
52      do
53         Result := prov1 /= Void and prov2 /= Void
54      end
55
56   cross_operation (e: E; f: F): G
57      deferred
58      end
59
60   prov1: AUX_JLP8_PROVIDER[E]
61
62   prov2: AUX_JLP8_PROVIDER[F]
63
64end -- class AUX_JLP8_CROSS
65--
66-- ------------------------------------------------------------------------------------------------------------------------------
67-- Copyright notice below. Please read.
68--
69-- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
70-- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
71-- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
72-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
73-- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
74-- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
75--
76-- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.       - University of Nancy 1 - FRANCE
77-- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
78--
79-- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
80--
81-- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
82-- ------------------------------------------------------------------------------------------------------------------------------