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java.lang.Objectorg.exolab.castor.jdo.keygen.UUIDKeyGenerator
public final class UUIDKeyGenerator
UUID key generator.
UUIDKeyGeneratorFactory
Field Summary |
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Fields inherited from interface org.exolab.castor.persist.spi.KeyGenerator |
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AFTER_INSERT, BEFORE_INSERT, DURING_INSERT |
Constructor Summary | |
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UUIDKeyGenerator(PersistenceFactory factory,
int sqlType)
Initialize the UUID key generator. |
Method Summary | |
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java.lang.Object |
generateKey(java.sql.Connection conn,
java.lang.String tableName,
java.lang.String primKeyName,
java.util.Properties props)
Generate a new unique key for the specified table. |
byte |
getStyle()
Style of key generator: BEFORE_INSERT, DURING_INSERT or AFTER_INSERT ? |
boolean |
isInSameConnection()
Is key generated in the same connection as INSERT? |
java.lang.String |
patchSQL(java.lang.String insert,
java.lang.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. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public UUIDKeyGenerator(PersistenceFactory factory, int sqlType) throws MappingException
MappingException
Method Detail |
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public void supportsSqlType(int sqlType) throws MappingException
supportsSqlType
in interface KeyGenerator
sqlType
-
MappingException
public java.lang.Object generateKey(java.sql.Connection conn, java.lang.String tableName, java.lang.String primKeyName, java.util.Properties props) throws PersistenceException
generateKey
in interface KeyGenerator
conn
- An open connection within the given transactiontableName
- The table nameprimKeyName
- The primary key nameprops
- A temporary replacement for Principal object
PersistenceException
- An error occured talking to persistent
storagepublic final byte getStyle()
getStyle
in interface KeyGenerator
public final java.lang.String patchSQL(java.lang.String insert, java.lang.String primKeyName)
patchSQL
in interface KeyGenerator
insert
- Castor-generated INSERT statementprimKeyName
- The primary key namepublic boolean isInSameConnection()
isInSameConnection
in interface KeyGenerator
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