01: package org.ofbiz.rules.logikus;
02:
03: import org.ofbiz.rules.engine.*;
04: import org.ofbiz.rules.parse.*;
05:
06: /**
07: * <p><b>Title:</b> Logikus Exception
08: * <p><b>Description:</b> None
09: * <p>Copyright (c) 1999 Steven J. Metsker.
10: * <p>Copyright (c) 2001 The Open For Business Project - www.ofbiz.org
11: *
12: * <p>Permission is hereby granted, free of charge, to any person obtaining a
13: * copy of this software and associated documentation files (the "Software"),
14: * to deal in the Software without restriction, including without limitation
15: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16: * and/or sell copies of the Software, and to permit persons to whom the
17: * Software is furnished to do so, subject to the following conditions:
18: *
19: * <p>The above copyright notice and this permission notice shall be included
20: * in all copies or substantial portions of the Software.
21: *
22: * <p>THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23: * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
25: * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
26: * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
27: * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
28: * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29: *
30: * <br>
31: * <p>Pops a structure from the top of the stack and pushes a Not
32: * version of it.
33: *
34: * @author Steven J. Metsker
35: * @version 1.0
36: */
37: public class NotAssembler extends Assembler {
38:
39: /**
40: * Pops a structure from the top of the stack and pushes a Not
41: * version of it.
42: *
43: * @param Assembly the assembly to work on
44: */
45: public void workOn(Assembly a) {
46: Structure s = (Structure) a.pop();
47:
48: a.push(new Not(s));
49: }
50: }
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