org.exolab.castor.jdo.keygen
public final class SequenceKeyGenerator extends Object implements KeyGenerator
Version: $Revision: 6238 $ $Date: 2006-04-13 06:47:36 -0600 (Thu, 13 Apr 2006) $
See Also: SequenceKeyGeneratorFactory
Field Summary | |
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protected PersistenceFactory | _factory |
protected String | _factoryName |
protected String | _seqName |
Constructor Summary | |
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SequenceKeyGenerator(PersistenceFactory factory, Properties params, int sqlType)
Initialize the SEQUENCE key generator. |
Method Summary | |
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Object | generateKey(Connection conn, String tableName, String primKeyName, Properties props) |
byte | getStyle()
Style of key generator: BEFORE_INSERT, DURING_INSERT or AFTER_INSERT ? |
boolean | isInSameConnection()
Is key generated in the same connection as INSERT? |
String | patchSQL(String insert, String primKeyName)
Gives a possibility to patch the Castor-generated SQL statement
for INSERT (makes sense for DURING_INSERT key generators) |
void | supportsSqlType(int sqlType)
Determine if the key generator supports a given sql type.
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Parameters: conn An open connection within the given transaction tableName The table name primKeyName The primary key name props A temporary replacement for Principal object
Returns: A new key
Throws: PersistenceException An error occured talking to persistent storage
Parameters: sqlType
Throws: MappingException