kodo.jdbc.meta.strats
Class LockGroupNumberVersionStrategy

java.lang.Object
  org.apache.openjpa.jdbc.meta.strats.AbstractStrategy
      org.apache.openjpa.jdbc.meta.strats.AbstractVersionStrategy
          kodo.jdbc.meta.strats.ColumnPerLockGroupVersionStrategy
              kodo.jdbc.meta.strats.LockGroupNumberVersionStrategy

All Implemented Interfaces:

Serializable, Strategy, VersionStrategy

public class LockGroupNumberVersionStrategy
extends ColumnPerLockGroupVersionStrategy

Uses a version number for optimistic versioning.

See Also:

Serialized Form

Field Summary

static String

ALIAS

Fields inherited from class org.apache.openjpa.jdbc.meta.strats.AbstractVersionStrategy

vers

Constructor Summary

LockGroupNumberVersionStrategy()

Method Summary

String	getAlias()
int	getInitialValue() Return the initial value for version column.
protected int	getJavaType() Return the code from JavaTypes for the version values this strategy uses.
protected Object	nextVersion(Object version) Return the next version given the current one, which may be null.
void	setInitialValue(int initial) Set the initial value for version column.

Methods inherited from class kodo.jdbc.meta.strats.ColumnPerLockGroupVersionStrategy

checkVersion, compare, compareVersion, delete, insert, load, map, select, update

Methods inherited from class org.apache.openjpa.jdbc.meta.strats.AbstractVersionStrategy

afterLoad, getBulkUpdateValues, setVersion

Methods inherited from class org.apache.openjpa.jdbc.meta.strats.AbstractStrategy

customDelete, customInsert, customUpdate, initialize, isCustomDelete, isCustomInsert, isCustomUpdate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.openjpa.jdbc.meta.Strategy

customDelete, customInsert, customUpdate, initialize, isCustomDelete, isCustomInsert, isCustomUpdate

Field Detail

ALIAS

public static final String ALIAS

See Also:

Constant Field Values

Constructor Detail

LockGroupNumberVersionStrategy

public LockGroupNumberVersionStrategy()

Method Detail

setInitialValue

public void setInitialValue(int initial)

Set the initial value for version column. Defaults to 1.

getInitialValue

public int getInitialValue()

Return the initial value for version column. Defaults to 1.

getAlias

public String getAlias()

Specified by:

getAlias in interface Strategy

Overrides:

getAlias in class AbstractStrategy

getJavaType

protected int getJavaType()

Description copied from class: ColumnPerLockGroupVersionStrategy

Return the code from JavaTypes for the version values this strategy uses. This method is only used during mapping installation.

Specified by:

getJavaType in class ColumnPerLockGroupVersionStrategy

nextVersion

protected Object nextVersion(Object version)

Description copied from class: ColumnPerLockGroupVersionStrategy

Return the next version given the current one, which may be null.

Specified by:

nextVersion in class ColumnPerLockGroupVersionStrategy