01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.ejb.ql;
30:
31: import com.caucho.config.ConfigException;
32: import com.caucho.util.CharBuffer;
33:
34: /**
35: * Literal expression for EJB-QL.
36: */
37: class LiteralExpr extends Expr {
38: // literal value
39: private String _value;
40:
41: /**
42: * Creates a new literal expression.
43: *
44: * @param value the string value of the literal
45: * @param type the java type of the literal
46: */
47: LiteralExpr(String value, Class javaType) {
48: _value = value;
49:
50: setJavaType(javaType);
51: }
52:
53: /**
54: * Returns the literal value
55: */
56: String getValue() {
57: return _value;
58: }
59:
60: /**
61: * Prints the where SQL for this expression
62: *
63: * @param gen the java code generator
64: */
65: void generateWhere(CharBuffer cb) {
66: cb.append(_value);
67: }
68:
69: /**
70: * Prints the where SQL for this expression
71: *
72: * @param c the java code generator
73: */
74: void printSelect(CharBuffer cb) throws ConfigException {
75: cb.append(_value);
76: }
77:
78: public String toString() {
79: return _value;
80: }
81: }
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