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Java > Open Source Codes > org > apache > torque > engine > platform > PlatformMysqlImpl


1 package org.apache.torque.engine.platform;
2
3 /*
4  * Copyright 2003-2004 The Apache Software Foundation.
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18
19 import org.apache.torque.engine.database.model.Domain;
20 import org.apache.torque.engine.database.model.SchemaType;
21
22 /**
23  * MySql Platform implementation.
24  *
25  * @author <a HREF="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
26  * @version $Id: PlatformMysqlImpl.java,v 1.6 2004/02/22 06:27:19 jmcnally Exp $
27  */
28 public class PlatformMysqlImpl extends PlatformDefaultImpl
29 {
30     /**
31      * Default constructor.
32      */
33     public PlatformMysqlImpl()
34     {
35         super();
36         initialize();
37     }
38
39     /**
40      * Initializes db specific domain mapping.
41      */
42     private void initialize()
43     {
44         setSchemaDomainMapping(new Domain(SchemaType.NUMERIC, "DECIMAL"));
45         setSchemaDomainMapping(new Domain(SchemaType.INTEGER, "MEDIUMINT"));
46         setSchemaDomainMapping(new Domain(SchemaType.LONGVARCHAR, "MEDIUMTEXT"));
47         setSchemaDomainMapping(new Domain(SchemaType.DATE, "DATETIME"));
48         setSchemaDomainMapping(new Domain(SchemaType.BINARY, "BLOB"));
49         setSchemaDomainMapping(new Domain(SchemaType.VARBINARY, "MEDIUMBLOB"));
50         setSchemaDomainMapping(new Domain(SchemaType.LONGVARBINARY, "LONGBLOB"));
51         setSchemaDomainMapping(new Domain(SchemaType.BLOB, "LONGBLOB"));
52         setSchemaDomainMapping(new Domain(SchemaType.CLOB, "LONGTEXT"));
53     }
54
55     /**
56      * @see Platform#getAutoIncrement()
57      */
58     public String JavaDoc getAutoIncrement()
59     {
60         return "AUTO_INCREMENT";
61     }
62
63     /**
64      * @see Platform#hasSize(String)
65      */
66     public boolean hasSize(String JavaDoc sqlType) {
67         return !("MEDIUMTEXT".equals(sqlType) || "LONGTEXT".equals(sqlType)
68                 || "BLOB".equals(sqlType) || "MEDIUMBLOB".equals(sqlType)
69                 || "LONGBLOB".equals(sqlType));
70     }
71 }
72
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