1 | /* |
2 | * Copyright 2006-2008 the original author or authors. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | package org.springframework.batch.item.database.support; |
17 | |
18 | import javax.sql.DataSource; |
19 | |
20 | import org.springframework.jdbc.support.incrementer.*; |
21 | |
22 | /** |
23 | * Default implementation of the {@link DataFieldMaxValueIncrementerFactory} |
24 | * interface. Valid types are: |
25 | * |
26 | * Valid values are: |
27 | * |
28 | * <ul> |
29 | * <li>db2</li> |
30 | * <li>db2zos</li> |
31 | * <li>derby</li> |
32 | * <li>hsql</li> |
33 | * <li>mysql</li> |
34 | * <li>oracle</li> |
35 | * <li>postgres</li> |
36 | * <li>sqlserver</li> |
37 | * <li>sybase</li> |
38 | * </ul> |
39 | * |
40 | * @author Lucas Ward |
41 | * |
42 | */ |
43 | public class DefaultDataFieldMaxValueIncrementerFactory implements DataFieldMaxValueIncrementerFactory { |
44 | |
45 | static final String DB_TYPE_DB2 = "db2"; |
46 | |
47 | static final String DB_TYPE_DB2ZOS = "db2zos"; |
48 | |
49 | static final String DB_TYPE_DERBY = "derby"; |
50 | |
51 | static final String DB_TYPE_HSQL = "hsql"; |
52 | |
53 | static final String DB_TYPE_MYSQL = "mysql"; |
54 | |
55 | static final String DB_TYPE_ORACLE = "oracle"; |
56 | |
57 | static final String DB_TYPE_POSTGRES = "postgres"; |
58 | |
59 | static final String DB_TYPE_SQLSERVER = "sqlserver"; |
60 | |
61 | static final String DB_TYPE_SYBASE = "sybase"; |
62 | |
63 | private DataSource dataSource; |
64 | |
65 | private String incrementerColumnName = "ID"; |
66 | |
67 | /** |
68 | * Public setter for the column name (defaults to "ID") in the incrementer. |
69 | * Only used by some platforms (Derby, HSQL, MySQL, SQL Server and Sybase), |
70 | * and should be fine for use with Spring Batch meta data as long as the default |
71 | * batch schema hasn't been changed. |
72 | * |
73 | * @param incrementerColumnName the primary key column name to set |
74 | */ |
75 | public void setIncrementerColumnName(String incrementerColumnName) { |
76 | this.incrementerColumnName = incrementerColumnName; |
77 | } |
78 | |
79 | public DefaultDataFieldMaxValueIncrementerFactory(DataSource dataSource) { |
80 | this.dataSource = dataSource; |
81 | } |
82 | |
83 | public DataFieldMaxValueIncrementer getIncrementer(String incrementerType, String incrementerName) { |
84 | if (DB_TYPE_DB2.equals(incrementerType)) { |
85 | return new DB2SequenceMaxValueIncrementer(dataSource, incrementerName); |
86 | } |
87 | else if (DB_TYPE_DB2ZOS.equals(incrementerType)) { |
88 | return new DB2MainframeSequenceMaxValueIncrementer(dataSource, incrementerName); |
89 | } |
90 | else if (DB_TYPE_DERBY.equals(incrementerType)) { |
91 | return new DerbyMaxValueIncrementer(dataSource, incrementerName, incrementerColumnName); |
92 | } |
93 | else if (DB_TYPE_HSQL.equals(incrementerType)) { |
94 | return new HsqlMaxValueIncrementer(dataSource, incrementerName, incrementerColumnName); |
95 | } |
96 | else if (DB_TYPE_MYSQL.equals(incrementerType)) { |
97 | return new MySQLMaxValueIncrementer(dataSource, incrementerName, incrementerColumnName); |
98 | } |
99 | else if (DB_TYPE_ORACLE.equals(incrementerType)) { |
100 | return new OracleSequenceMaxValueIncrementer(dataSource, incrementerName); |
101 | } |
102 | else if (DB_TYPE_POSTGRES.equals(incrementerType)) { |
103 | return new PostgreSQLSequenceMaxValueIncrementer(dataSource, incrementerName); |
104 | } |
105 | else if (DB_TYPE_SQLSERVER.equals(incrementerType)) { |
106 | return new SqlServerMaxValueIncrementer(dataSource, incrementerName, incrementerColumnName); |
107 | } |
108 | else if (DB_TYPE_SYBASE.equals(incrementerType)) { |
109 | return new SybaseMaxValueIncrementer(dataSource, incrementerName, incrementerColumnName); |
110 | } |
111 | throw new IllegalArgumentException("databaseType argument was not on the approved list"); |
112 | |
113 | } |
114 | |
115 | public boolean isSupportedIncrementerType(String incrementerType) { |
116 | if (!DB_TYPE_DB2.equals(incrementerType) |
117 | && !DB_TYPE_DB2ZOS.equals(incrementerType) |
118 | && !DB_TYPE_DERBY.equals(incrementerType) |
119 | && !DB_TYPE_HSQL.equals(incrementerType) |
120 | && !DB_TYPE_MYSQL.equals(incrementerType) |
121 | && !DB_TYPE_ORACLE.equals(incrementerType) |
122 | && !DB_TYPE_POSTGRES.equals(incrementerType) |
123 | && !DB_TYPE_SQLSERVER.equals(incrementerType) |
124 | && !DB_TYPE_SYBASE.equals(incrementerType)) { |
125 | return false; |
126 | } |
127 | else { |
128 | return true; |
129 | } |
130 | } |
131 | |
132 | public String[] getSupportedIncrementerTypes() { |
133 | return new String[] { DB_TYPE_DB2, DB_TYPE_DB2ZOS, DB_TYPE_DERBY, DB_TYPE_HSQL, DB_TYPE_MYSQL, |
134 | DB_TYPE_ORACLE, DB_TYPE_POSTGRES, DB_TYPE_SQLSERVER, DB_TYPE_SYBASE }; |
135 | } |
136 | } |