1 /*
2 * $Source: /usr/cvsroot/melati/maven-dsd-plugin/src/main/java/org/melati/poem/prepro/BigDecimalFieldDef.java,v $
3 * $Revision: 1.12 $
4 *
5 * Copyright (C) 2003 Samuel Goldstein
6 *
7 * Part of Melati (http://melati.org), a framework for the rapid
8 * development of clean, maintainable web applications.
9 *
10 * Melati is free software; Permission is granted to copy, distribute
11 * and/or modify this software under the terms either:
12 *
13 * a) the GNU General Public License as published by the Free Software
14 * Foundation; either version 2 of the License, or (at your option)
15 * any later version,
16 *
17 * or
18 *
19 * b) any version of the Melati Software License, as published
20 * at http://melati.org
21 *
22 * You should have received a copy of the GNU General Public License and
23 * the Melati Software License along with this program;
24 * if not, write to the Free Software Foundation, Inc.,
25 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26 * GNU General Public License and visit http://melati.org to obtain the
27 * Melati Software License.
28 *
29 * Feel free to contact the Developers of Melati (http://melati.org),
30 * if you would like to work out a different arrangement than the options
31 * outlined here. It is our intention to allow Melati to be used by as
32 * wide an audience as possible.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * Contact details for copyright holder:
40 *
41 * Samuel Goldstein <samuel At 1969.ws>
42 * http://www.1969.ws
43 * 13101 W. Washington Blvd Suite 248, Los Angeles, CA 90066 USA
44 */
45
46 package org.melati.poem.prepro;
47
48 import java.util.Vector;
49
50 /**
51 * A definition of a <tt>BigDecimalPoemType</tt> from the DSD.
52 *
53 * Its member variables are populated from the DSD or defaults. Its methods are
54 * used to generate the java code.
55 */
56 public class BigDecimalFieldDef extends AtomFieldDef {
57
58 private int scale;
59
60 private int precision;
61
62 /**
63 * Constructor.
64 *
65 * @param lineNo
66 * the line number in the DSD file
67 * @param table
68 * the {@link TableDef} that this <code>Field</code> is part of
69 * @param name
70 * the name of this field
71 * @param displayOrder
72 * where to place this field in a list
73 * @param qualifiers
74 * all the qualifiers of this field
75 *
76 * @throws IllegalityException
77 * if a semantic inconsistency is detected
78 */
79 public BigDecimalFieldDef(int lineNo, TableDef table, String name,
80 int displayOrder, Vector<FieldQualifier> qualifiers) throws IllegalityException {
81 super(lineNo, table, name, "BigDecimal", displayOrder, qualifiers);
82 table.addImport("org.melati.poem.BigDecimalPoemType", "table");
83 table.addImport("java.math.BigDecimal", "table");
84 table.addImport("java.math.BigDecimal", "persistent");
85 }
86
87 /**
88 * @param w
89 * The base persistent java file.
90 * @throws IOException
91 * if something goes wrong with the file system
92 */
93 // PMD objects to overriding methods which only call super
94 // public void generateBaseMethods(Writer w) throws IOException {
95 // super.generateBaseMethods(w);
96 /*
97 * w.write("\n" + " public final void set" + mixedCaseName + "(double cooked)\n" + "
98 * throws AccessPoemException, ValidationPoemException {\n" + " set" + mixedCaseName +
99 * "(new Double(cooked));\n" + " }\n");
100 */
101 // }
102 /** @return the Java string for this <code>PoemType</code>. */
103 public String poemTypeJava() {
104 return "new BigDecimalPoemType(" + isNullable() + ", " + getPrecision()
105 + ", " + getScale() + ")";
106 }
107
108 /**
109 * Retrieve the precision.
110 *
111 * @return the precision
112 */
113 public int getPrecision() {
114 return precision;
115 }
116
117 /**
118 * Set the precision.
119 *
120 * @param precision
121 */
122 public void setPrecision(int precision) {
123 if (this.precision != 0)
124 throw new IllegalityException(lineNumber, "Redefinition of precision.");
125 this.precision = precision;
126 }
127
128 /**
129 * Retrieve the scale.
130 *
131 * @return the scale
132 */
133 public int getScale() {
134 return scale;
135 }
136
137 /**
138 * Set the scale.
139 *
140 * @param scale the scale to set
141 */
142 public void setScale(int scale) {
143 if (this.scale != 0)
144 throw new IllegalityException(lineNumber, "Redefinition of scale.");
145 this.scale = scale;
146 }
147
148 }