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

java.lang.Object
  org.apache.ojb.broker.util.sequence.AbstractSequenceManager
      org.apache.ojb.broker.util.sequence.SequenceManagerNextValImpl
          org.apache.ojb.broker.util.sequence.SequenceManagerSeqHiLoImpl

All Implemented Interfaces:

SequenceManager

public class SequenceManagerSeqHiLoImpl

extends SequenceManagerNextValImpl

A High/Low database sequence based implementation. See SequenceManagerNextValImpl for more information.

Implementation configuration properties:

Property Key	Property Values
grabSize	Integer entry determines the number of IDs allocated within the H/L sequence manager implementation. Default was '20'.
autoNaming	Default was 'true'. If set 'true' OJB try to build a sequence name automatic if none found in field-descriptor and set this generated name as sequence-name in field-descriptor. If set 'false' OJB throws an exception if none sequence name was found in field-descriptor.

Limitations:

• do not use when other applications use the database based sequence ditto

Version:

$Id: SequenceManagerSeqHiLoImpl.java 365232 2005-12-21 22:36:07Z tomdz $

Author:

Armin Waibel

Field Summary

static java.lang.String

PROPERTY_GRAB_SIZE

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

PROPERTY_AUTO_NAMING

Constructor Summary

SequenceManagerSeqHiLoImpl(PersistenceBroker broker)

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

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

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_GRAB_SIZE

public static final java.lang.String PROPERTY_GRAB_SIZE

See Also:

Constant Field Values

Constructor Detail

SequenceManagerSeqHiLoImpl

public SequenceManagerSeqHiLoImpl(PersistenceBroker broker)