Source Code Cross Referenced for TableFactory.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » db » table » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.db.table 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *   Free SoftwareFoundation, Inc.
023:         *   59 Temple Place, Suite 330
024:         *   Boston, MA 02111-1307  USA
025:         *
026:         * @author Scott Ferguson
027:         */
028:
029:        package com.caucho.db.table;
030:
031:        import com.caucho.db.Database;
032:        import com.caucho.db.sql.Expr;
033:        import com.caucho.util.L10N;
034:
035:        import java.io.IOException;
036:        import java.sql.SQLException;
037:        import java.util.ArrayList;
038:
039:        public class TableFactory {
040:            private static final L10N L = new L10N(TableFactory.class);
041:
042:            private Database _database;
043:
044:            private String _name;
045:            private Row _row;
046:
047:            private ArrayList<Constraint> _constraints = new ArrayList<Constraint>();
048:
049:            public TableFactory(Database database) {
050:                _database = database;
051:            }
052:
053:            /**
054:             * Returns the table name.
055:             */
056:            public String getName() {
057:                return _name;
058:            }
059:
060:            /**
061:             * Returns the row.
062:             */
063:            public Row getRow() {
064:                return _row;
065:            }
066:
067:            /**
068:             * Creates a table.
069:             */
070:            public void startTable(String name) {
071:                _name = name;
072:                _row = new Row();
073:            }
074:
075:            /**
076:             * Adds a varchar
077:             */
078:            public Column addVarchar(String name, int size) {
079:                _row.allocateColumn();
080:
081:                if (size <= 128)
082:                    return _row.addColumn(new StringColumn(_row, name, size));
083:                else
084:                    return _row
085:                            .addColumn(new BigStringColumn(_row, name, size));
086:            }
087:
088:            /**
089:             * Adds a varbinary
090:             */
091:            public Column addVarbinary(String name, int size) {
092:                _row.allocateColumn();
093:
094:                if (size <= 128)
095:                    return _row.addColumn(new BinaryColumn(_row, name, size));
096:                else
097:                    return _row.addColumn(new BlobColumn(_row, name));
098:            }
099:
100:            /**
101:             * Adds a blob
102:             */
103:            public Column addBlob(String name) {
104:                _row.allocateColumn();
105:
106:                return _row.addColumn(new BlobColumn(_row, name));
107:            }
108:
109:            /**
110:             * Adds an integer
111:             */
112:            public Column addInteger(String name) {
113:                _row.allocateColumn();
114:
115:                return _row.addColumn(new IntColumn(_row, name));
116:            }
117:
118:            /**
119:             * Adds a long
120:             */
121:            public Column addLong(String name) {
122:                _row.allocateColumn();
123:
124:                return _row.addColumn(new LongColumn(_row, name));
125:            }
126:
127:            /**
128:             * Adds a double
129:             */
130:            public Column addDouble(String name) {
131:                _row.allocateColumn();
132:
133:                return _row.addColumn(new DoubleColumn(_row, name));
134:            }
135:
136:            /**
137:             * Adds a datetime column
138:             */
139:            public Column addDateTime(String name) {
140:                _row.allocateColumn();
141:
142:                return _row.addColumn(new DateColumn(_row, name));
143:            }
144:
145:            /**
146:             * Adds a numeric
147:             */
148:            public Column addNumeric(String name, int precision, int scale) {
149:                _row.allocateColumn();
150:
151:                return _row.addColumn(new NumericColumn(_row, name, precision,
152:                        scale));
153:            }
154:
155:            /**
156:             * Sets the named column as a primary key constraint.
157:             */
158:            public void setPrimaryKey(String name) throws SQLException {
159:                Column column = _row.getColumn(name);
160:
161:                if (column == null)
162:                    throw new SQLException(L
163:                            .l("`{0}' is not a valid column for primary key",
164:                                    name));
165:
166:                column.setUnique();
167:                column.setNotNull();
168:
169:                //addConstraint(new PrimaryKeySingleColumnConstraint(column));
170:            }
171:
172:            /**
173:             * Sets the named column as not null
174:             */
175:            public void setNotNull(String name) throws SQLException {
176:                Column column = _row.getColumn(name);
177:
178:                if (column == null)
179:                    throw new SQLException(L.l(
180:                            "`{0}' is not a valid column for NOT NULL", name));
181:
182:                column.setNotNull();
183:            }
184:
185:            /**
186:             * Sets the column default
187:             */
188:            public void setDefault(String name, Expr expr) throws SQLException {
189:                Column column = _row.getColumn(name);
190:
191:                if (column == null)
192:                    throw new SQLException(L.l(
193:                            "`{0}' is not a valid column for DEFAULT", name));
194:
195:                column.setDefault(expr);
196:            }
197:
198:            /**
199:             * Sets the named column as unique
200:             */
201:            public void setUnique(String name) throws SQLException {
202:                Column column = _row.getColumn(name);
203:
204:                if (column == null)
205:                    throw new SQLException(L.l(
206:                            "'{0}' is not a valid column for NOT NULL", name));
207:
208:                column.setUnique();
209:
210:                // already checked by unique
211:                //addConstraint(new UniqueSingleColumnConstraint(column));
212:            }
213:
214:            /**
215:             * Sets the named column as auto-increment
216:             */
217:            public void setAutoIncrement(String name, int min)
218:                    throws SQLException {
219:                Column column = _row.getColumn(name);
220:
221:                if (column == null)
222:                    throw new SQLException(L.l(
223:                            "'{0}' is not a valid column for auto_increment",
224:                            name));
225:
226:                column.setAutoIncrement(min);
227:            }
228:
229:            /**
230:             * Sets the array of columns as unique
231:             */
232:            public void addUnique(ArrayList<String> names) throws SQLException {
233:                if (names.size() == 1) {
234:                    setUnique(names.get(0));
235:                    return;
236:                }
237:
238:                ArrayList<Column> columns = new ArrayList<Column>();
239:
240:                for (int i = 0; i < names.size(); i++) {
241:                    String name = names.get(i);
242:
243:                    Column column = _row.getColumn(name);
244:
245:                    if (column == null)
246:                        throw new SQLException(L.l(
247:                                "`{0}' is not a valid column for UNIQUE", name));
248:                }
249:
250:                Column[] columnArray = new Column[columns.size()];
251:                columns.toArray(columnArray);
252:
253:                if (columnArray.length == 1) {
254:                    columnArray[0].setUnique();
255:
256:                    //addConstraint(new UniqueSingleColumnConstraint(columnArray[0]));
257:                } else
258:                    addConstraint(new UniqueConstraint(columnArray));
259:            }
260:
261:            /**
262:             * Sets the array of columns as the primary key
263:             */
264:            public void addPrimaryKey(ArrayList<String> names)
265:                    throws SQLException {
266:                if (names.size() == 1) {
267:                    setPrimaryKey(names.get(0));
268:                    return;
269:                }
270:
271:                ArrayList<Column> columns = new ArrayList<Column>();
272:
273:                for (int i = 0; i < names.size(); i++) {
274:                    String name = names.get(i);
275:
276:                    Column column = _row.getColumn(name);
277:
278:                    if (column == null)
279:                        throw new SQLException(L.l(
280:                                "`{0}' is not a valid column for PRIMARY KEY",
281:                                name));
282:                }
283:
284:                Column[] columnArray = new Column[columns.size()];
285:                columns.toArray(columnArray);
286:
287:                if (columnArray.length == 1) {
288:                    columnArray[0].setPrimaryKey(true);
289:                    //addConstraint(new PrimaryKeySingleColumnConstraint(columnArray[0]));
290:                } else
291:                    addConstraint(new PrimaryKeyConstraint(columnArray));
292:            }
293:
294:            /**
295:             * Adds a constraint.
296:             */
297:            public void addConstraint(Constraint constraint) {
298:                _constraints.add(constraint);
299:            }
300:
301:            /**
302:             * Returns the constraints.
303:             */
304:            public Constraint[] getConstraints() {
305:                Constraint[] constraints = new Constraint[_constraints.size()];
306:                _constraints.toArray(constraints);
307:
308:                return constraints;
309:            }
310:
311:            /**
312:             * Creates the table.
313:             */
314:            public void create() throws java.sql.SQLException, IOException {
315:                Table table = new Table(_database, _name, _row,
316:                        getConstraints());
317:
318:                table.create();
319:            }
320:        }
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