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Java > Open Source Codes > org > objectweb > medor > expression > lib > Like


1 /**
2  * MEDOR: Middleware Enabling Distributed Object Requests
3  *
4  * Copyright (C) 2001-2003 France Telecom R&D
5  * Contact: alexandre.lefebvre@rd.francetelecom.com
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  *
21  * Initial developers: M. Alia, A. Lefebvre, S. Chassande-Barrioz
22  */
23 package org.objectweb.medor.expression.lib;
24
25 import org.objectweb.medor.expression.api.Expression;
26 import org.objectweb.medor.expression.api.ExpressionException;
27 import org.objectweb.medor.expression.api.MalformedExpressionException;
28 import org.objectweb.medor.expression.api.Operand;
29 import org.objectweb.medor.expression.api.Operator;
30 import org.objectweb.medor.expression.api.ParameterOperand;
31
32 /**
33  * @author S.Chassande-Barrioz
34  */
35 public class Like
36     extends BasicOperator
37     implements Operator {
38
39     boolean not = false;
40
41     public Like() {
42     }
43
44     public Like(Expression str, Expression pattern, Expression escape) {
45         super(new Expression[] {str, pattern, escape});
46     }
47
48     public Like(Expression str, Expression pattern, Expression escape, boolean not) {
49         super(new Expression[] {str, pattern, escape});
50         this.not = not;
51     }
52
53     public Like(Expression str, Expression pattern) {
54         super(new Expression[] {str, pattern});
55     }
56
57     public Like(Expression str, Expression pattern, boolean not) {
58         super(new Expression[] {str, pattern});
59         this.not = not;
60     }
61
62     public Object JavaDoc clone(Object JavaDoc clone, java.util.Map JavaDoc obj2clone) throws CloneNotSupportedException JavaDoc {
63         clone = super.clone(clone, obj2clone);
64         ((Like) clone).not = not;
65         return clone;
66     }
67
68     // IMPLEMENTATION OF THE Operator INTERFACE //
69 //------------------------------------------//
70
71     public String JavaDoc getOperatorString() {
72         return (not ? "NOT LIKE" : "LIKE");
73     }
74
75     public Operand compileExpression()
76         throws ExpressionException, MalformedExpressionException {
77         throw new ExpressionException("Not yet implemented");
78     }
79
80
81     public Operand getResult() throws IllegalStateException JavaDoc {
82         return null;
83     }
84
85     public org.objectweb.medor.expression.api.Operand
86             evaluate(ParameterOperand[] values, Object JavaDoc o)
87         throws ExpressionException {
88         //TODO Implement Like operator
89 throw new ExpressionException("Not yet implemented");
90     }
91 }
92
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