01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * Portions Copyright Apache Software Foundation.
07: *
08: * The contents of this file are subject to the terms of either the GNU
09: * General Public License Version 2 only ("GPL") or the Common Development
10: * and Distribution License("CDDL") (collectively, the "License"). You
11: * may not use this file except in compliance with the License. You can obtain
12: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
13: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
14: * language governing permissions and limitations under the License.
15: *
16: * When distributing the software, include this License Header Notice in each
17: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
18: * Sun designates this particular file as subject to the "Classpath" exception
19: * as provided by Sun in the GPL Version 2 section of the License file that
20: * accompanied this code. If applicable, add the following below the License
21: * Header, with the fields enclosed by brackets [] replaced by your own
22: * identifying information: "Portions Copyrighted [year]
23: * [name of copyright owner]"
24: *
25: * Contributor(s):
26: *
27: * If you wish your version of this file to be governed by only the CDDL or
28: * only the GPL Version 2, indicate your decision by adding "[Contributor]
29: * elects to include this software in this distribution under the [CDDL or GPL
30: * Version 2] license." If you don't indicate a single choice of license, a
31: * recipient has the option to distribute your version of this file under
32: * either the CDDL, the GPL Version 2 or to extend the choice of license to
33: * its licensees as provided above. However, if you add GPL Version 2 code
34: * and therefore, elected the GPL Version 2 license, then the option applies
35: * only if the new code is made subject to such option by the copyright
36: * holder.
37: */
38:
39: package org.apache.taglibs.standard.lang.jstl;
40:
41: /**
42: *
43: * <p>This is the superclass for all relational operators (except ==
44: * or !=)
45: *
46: * @author Nathan Abramson - Art Technology Group
47: * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: tcfujii $
48: **/
49:
50: public abstract class RelationalOperator extends BinaryOperator {
51: //-------------------------------------
52: /**
53: *
54: * Applies the operator to the given value
55: **/
56: public Object apply(Object pLeft, Object pRight, Object pContext,
57: Logger pLogger) throws ELException {
58: return Coercions.applyRelationalOperator(pLeft, pRight, this ,
59: pLogger);
60: }
61:
62: //-------------------------------------
63: /**
64: *
65: * Applies the operator to the given double values
66: **/
67: public abstract boolean apply(double pLeft, double pRight,
68: Logger pLogger);
69:
70: //-------------------------------------
71: /**
72: *
73: * Applies the operator to the given long values
74: **/
75: public abstract boolean apply(long pLeft, long pRight,
76: Logger pLogger);
77:
78: //-------------------------------------
79: /**
80: *
81: * Applies the operator to the given String values
82: **/
83: public abstract boolean apply(String pLeft, String pRight,
84: Logger pLogger);
85:
86: //-------------------------------------
87: }
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