com.objectwave.persist
Interface PrimaryKeyStrategy

All Known Implementing Classes:

GlobalSequence, SelectAndUpdate, TableSequence

public interface PrimaryKeyStrategy

Implement this interface if the code is to assist with the creation with the generation of PrimaryKeyValues.

Version:

$Id: PrimaryKeyStrategy.java,v 2.0 2001/06/11 16:00:03 dave_hoag Exp $

Author:

dhoag

Method Summary

java.lang.Object

nextPrimaryKey(RDBBroker broker, RDBPersistence pObj) Calls to this method should never return the same value.

Method Detail

nextPrimaryKey

public java.lang.Object nextPrimaryKey(RDBBroker broker,
                                       RDBPersistence pObj)
                                throws java.sql.SQLException,
                                       QueryException

Calls to this method should never return the same value. When this method is called, the broker assumes the value returned will create a unique primary key value that can identify a unique row in the database.

Parameters:

broker -

pObj -

Returns:

Throws:

java.sql.SQLException

QueryException