org.apache.ojb.broker.util.sequence
Class SequenceManagerTransientImpl

java.lang.Object
  org.apache.ojb.broker.util.sequence.AbstractSequenceManager
      org.apache.ojb.broker.util.sequence.SequenceManagerTransientImpl

All Implemented Interfaces:

SequenceManager

public class SequenceManagerTransientImpl
extends AbstractSequenceManager

For internal use only! This class is used to create transient primary key values for transient Identity objects.

Version:

$Id: SequenceManagerTransientImpl.java,v 1.1 2007-08-24 22:17:29 ewestfal Exp $

Field Summary

Fields inherited from class org.apache.ojb.broker.util.sequence.AbstractSequenceManager

GLOBAL_SEQUENCE_NAME, PROPERTY_AUTO_NAMING

Constructor Summary

SequenceManagerTransientImpl(PersistenceBroker broker)

Method Summary

protected long	getUniqueLong(FieldDescriptor field) returns a unique long value for field.
Object	getUniqueValue(FieldDescriptor field) Returns a unique object for the given field attribute.

Methods inherited from class org.apache.ojb.broker.util.sequence.AbstractSequenceManager

afterStore, calculateSequenceName, getBrokerForClass, getConfigurationProperties, getConfigurationProperty, getPlatform, setConfigurationProperties, setConfigurationProperty, setReferenceFKs, useAutoNaming

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SequenceManagerTransientImpl

public SequenceManagerTransientImpl(PersistenceBroker broker)

Method Detail

getUniqueLong

protected long getUniqueLong(FieldDescriptor field)
                      throws SequenceManagerException

Description copied from class: AbstractSequenceManager

returns a unique long value for field. the returned number is unique accross all tables in the extent of clazz.

Specified by:

getUniqueLong in class AbstractSequenceManager

Throws:

SequenceManagerException

getUniqueValue

public Object getUniqueValue(FieldDescriptor field)
                      throws SequenceManagerException

Returns a unique object for the given field attribute. The returned value takes in account the jdbc-type and the FieldConversion.sql2java() conversion defined for field. The returned object is unique accross all tables in the extent of class the field belongs to.

Specified by:

getUniqueValue in interface SequenceManager

Overrides:

getUniqueValue in class AbstractSequenceManager

Throws:

SequenceManagerException