1 package org.apache.torque.engine.platform;
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22 import org.apache.torque.engine.database.model.Domain;
23 import org.apache.torque.engine.database.model.SchemaType;
24
25 /***
26 * DB2 Platform implementation.
27 *
28 * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
29 * @version $Id: PlatformDb2Impl.java 473814 2006-11-11 22:30:30Z tv $
30 */
31 public class PlatformDb2Impl extends PlatformDefaultImpl
32 {
33 /***
34 * Default constructor.
35 */
36 public PlatformDb2Impl()
37 {
38 super();
39 initialize();
40 }
41
42 /***
43 * Initializes db specific domain mapping.
44 */
45 private void initialize()
46 {
47 setSchemaDomainMapping(new Domain(SchemaType.CHAR, "VARCHAR"));
48 setSchemaDomainMapping(new Domain(SchemaType.BOOLEANCHAR, "VARCHAR"));
49 setSchemaDomainMapping(new Domain(SchemaType.LONGVARCHAR, "LONG VARCHAR"));
50 setSchemaDomainMapping(new Domain(SchemaType.BINARY, "CHAR(n) FOR BIT DATA"));
51 setSchemaDomainMapping(new Domain(SchemaType.VARBINARY, "VARCHAR(n) FOR BIT DATA"));
52 setSchemaDomainMapping(new Domain(SchemaType.LONGVARBINARY, "LONG VARCHAR FOR BIT DATA"));
53 }
54
55 /***
56 * @see Platform#getMaxColumnNameLength()
57 */
58 public int getMaxColumnNameLength()
59 {
60
61 return 18;
62 }
63
64 /***
65 * @see Platform#getAutoIncrement()
66 */
67 public String getAutoIncrement()
68 {
69 return "GENERATED ALWAYS AS IDENTITY";
70 }
71
72 }