Package org.castor.cpa.persistence.sql.keygen

Class UUIDKeyGenerator

java.lang.Object
org.castor.cpa.persistence.sql.keygen.AbstractKeyGenerator
org.castor.cpa.persistence.sql.keygen.AbstractBeforeKeyGenerator
org.castor.cpa.persistence.sql.keygen.UUIDKeyGenerator
All Implemented Interfaces:
KeyGenerator
public final class UUIDKeyGenerator extends AbstractBeforeKeyGenerator
UUID key generator.
Version:
$Revision: 8632 $ $Date: 2006-04-10 16:39:24 -0600 (Mon, 10 Apr 2006) $
Author:
Thomas Fach, Bruce Snyder, Ralf Joachim
See Also:

  • Constructor Details

    • UUIDKeyGenerator

      public UUIDKeyGenerator(PersistenceFactory factory, int sqlType) throws MappingException
      Initialize the UUID key generator.
      Parameters:
      factory - Instance of PersistenceFactory to be used.
      sqlType - SqlType variable to determine type.
      Throws:
      MappingException - An exception indicating an invalid mapping error.

  • Method Details

    • generateKey

      public Object generateKey(Connection conn, String tableName, String primKeyName) throws PersistenceException
      Generate a new key for the specified table. This method is called when a new object is about to be created. In some environments the name of the owner of the object is known, e.g. the principal in a J2EE server. This method is never called for DURING_INSERT key generators.
      Parameters:
      conn - An open connection within the given transaction
      tableName - The table name
      primKeyName - The primary key name
      Returns:
      A new key
      Throws:
      PersistenceException - An error occured talking to persistent storage

    • isInSameConnection

      public boolean isInSameConnection()
      Is key generated in the same connection as INSERT? For DURING_INSERT style this method is never called.
      Returns:
      {code}True{code} If this instance is in same JDBC Connection.