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1
2
12 package com.versant.core.jdbc.metadata;
13
14 import com.versant.core.util.StringListParser;
15 import com.versant.core.jdbc.JdbcConverterFactory;
16 import com.versant.core.jdbc.JdbcConverterFactoryRegistry;
17 import com.versant.core.jdbc.JdbcConverter;
18 import com.versant.core.jdbc.JdbcTypeRegistry;
19
20 import com.versant.core.common.BindingSupportImpl;
21
22
30 public class JdbcTypeMapping implements Cloneable  {
31
32 public static final int NOT_SET = 0;
33 public static final int FALSE = 1;
34 public static final int TRUE = 2;
35
36 private String database;
37 private int jdbcType;
38 private String sqlType;
39 private int length = -1;
40 private int scale = -1;
41 private int nulls = NOT_SET;
42 private int equalityTest = NOT_SET;
43 private JdbcConverterFactory converterFactory;
44
45 public JdbcTypeMapping() {
46 }
47
48 public JdbcTypeMapping(String sqlType, int length, int scale,
49 int nulls, int equalityTest, JdbcConverterFactory converter) {
50 this.sqlType = sqlType;
51 this.length = length;
52 this.scale = scale;
53 this.nulls = nulls;
54 this.equalityTest = equalityTest;
55 this.converterFactory = converter;
56 }
57
58 public String getDatabase() {
59 return database;
60 }
61
62 public void setDatabase(String database) {
63 this.database = database;
64 }
65
66 public int getJdbcType() {
67 return jdbcType;
68 }
69
70 public void setJdbcType(int jdbcType) {
71 this.jdbcType = jdbcType;
72 }
73
74 public String getSqlType() {
75 return sqlType;
76 }
77
78 public void setSqlType(String sqlType) {
79 this.sqlType = sqlType;
80 }
81
82 public int getLength() {
83 return length;
84 }
85
86 public void setLength(int length) {
87 this.length = length;
88 }
89
90 public int getScale() {
91 return scale;
92 }
93
94 public void setScale(int scale) {
95 this.scale = scale;
96 }
97
98 public int getNulls() {
99 return nulls;
100 }
101
102 public void setNulls(int nulls) {
103 this.nulls = nulls;
104 }
105
106 public int getEqualityTest() {
107 return equalityTest;
108 }
109
110 public void setEqualityTest(int equalityTest) {
111 this.equalityTest = equalityTest;
112 }
113
114 public JdbcConverterFactory getConverterFactory() {
115 return converterFactory;
116 }
117
118 public void setConverterFactory(JdbcConverterFactory converterFactory) {
119 this.converterFactory = converterFactory;
120 }
121
122 public String toString() {
123 StringBuffer s = new StringBuffer ();
124 if (database != null) s.append("database: " + database + " ");
125 if (jdbcType != 0) {
126 s.append("jdbcType: " + JdbcTypes.toString(jdbcType) + " ");
127 }
128 if (sqlType != null) s.append("sqlType: " + sqlType + " ");
129 if (length >= 0) s.append("length: " + length + " ");
130 if (scale >= 0) s.append("scale: " + scale + " ");
131 if (nulls != NOT_SET) s.append("nulls: " + (nulls == TRUE) + " ");
132 if (equalityTest != NOT_SET) {
133 s.append("equalityTest: " + (equalityTest == TRUE) + " ");
134 }
135 if (converterFactory != null) {
136 s.append("converterFactory: " + converterFactory);
137 }
138 return s.toString();
139 }
140
141 private int nextTriState(StringListParser p, String name) {
142 String s = p.nextQuotedString();
143 if (s == null) {
144 return NOT_SET;
145 } else if (s.equals("true")) {
146 return TRUE;
147 } else if (s.equals("false")) {
148 return FALSE;
149 } else {
150 throw BindingSupportImpl.getInstance().runtime(
151 "Invalid " + name + " setting: '" + s + "'");
152 }
153 }
154
155
158 public void parse(StringListParser p, JdbcConverterFactoryRegistry jcfreg) {
159 jdbcType = JdbcTypes.parse(p.nextString());
160 database = p.nextQuotedString();
161 sqlType = p.nextQuotedString();
162 length = getInt(p);
163 scale = getInt(p);
164 nulls = nextTriState(p, "nulls");
165 equalityTest = nextTriState(p, "equalityTest");
166 String s = p.nextQuotedString();
167 if (s != null) converterFactory = jcfreg.getFactory(s);
168 }
169
170 private int getInt(StringListParser p) {
171 String s = p.nextQuotedString();
172 if (s == null) return -1;
173 return Integer.parseInt(s);
174 }
175
176
182 public boolean match(int jdbcType, String database) {
183 return this.jdbcType == jdbcType
184 && (database == null
185 || this.database == null
186 || this.database.equals(database));
187 }
188
189
193 public void copyFrom(JdbcTypeMapping r) {
194 if (database == null) database = r.database;
195 if (jdbcType == 0) jdbcType = r.jdbcType;
196 if (sqlType == null) sqlType = r.sqlType;
197 if (length == -1) length = r.length;
198 if (scale == -1) scale = r.scale;
199 if (nulls == NOT_SET) nulls = r.nulls;
200 if (equalityTest == NOT_SET) equalityTest = r.equalityTest;
201 if (converterFactory == null) converterFactory = r.converterFactory;
202 }
203
204 public Object clone() {
205 try {
206 return super.clone();
207 } catch (CloneNotSupportedException e) {
208 throw new IllegalStateException ("clone() failed?");
209 }
210 }
211
212 }
213 |
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