org.apache.openjpa.jdbc.meta.strats
Class SuperclassVersionStrategy

java.lang.Object
  org.apache.openjpa.jdbc.meta.strats.AbstractStrategy
      org.apache.openjpa.jdbc.meta.strats.AbstractVersionStrategy
          org.apache.openjpa.jdbc.meta.strats.SuperclassVersionStrategy

All Implemented Interfaces:

Serializable, Strategy, VersionStrategy

public class SuperclassVersionStrategy
extends AbstractVersionStrategy

Version strategy that delegates to the suerpclass version.

Author:

Abe White

See Also:

Serialized Form

Field Summary

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

vers

Constructor Summary

SuperclassVersionStrategy()

Method Summary

void	afterLoad(OpenJPAStateManager sm, JDBCStore store) This method is called after data is loaded into the instance, in case the version indicator works off of a state image.
boolean	checkVersion(OpenJPAStateManager sm, JDBCStore store, boolean updateVersion) Checks the version of the given state manager with the version stored in memory.
int	compareVersion(Object v1, Object v2)
Map	getBulkUpdateValues()

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

load, select, setVersion

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

customDelete, customInsert, customUpdate, delete, getAlias, initialize, insert, isCustomDelete, isCustomInsert, isCustomUpdate, map, update

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, delete, getAlias, initialize, insert, isCustomDelete, isCustomInsert, isCustomUpdate, map, update

Constructor Detail

SuperclassVersionStrategy

public SuperclassVersionStrategy()

Method Detail

afterLoad

public void afterLoad(OpenJPAStateManager sm,
                      JDBCStore store)

Description copied from interface: VersionStrategy

This method is called after data is loaded into the instance, in case the version indicator works off of a state image.

Specified by:

afterLoad in interface VersionStrategy

Overrides:

afterLoad in class AbstractVersionStrategy

checkVersion

public boolean checkVersion(OpenJPAStateManager sm,
                            JDBCStore store,
                            boolean updateVersion)
                     throws SQLException

Description copied from interface: VersionStrategy

Checks the version of the given state manager with the version stored in memory.

Specified by:

checkVersion in interface VersionStrategy

Overrides:

checkVersion in class AbstractVersionStrategy

Returns:

true if the in-memory version was up-to-date, false otherwise

Throws:

SQLException

compareVersion

public int compareVersion(Object v1,
                          Object v2)

Specified by:

compareVersion in interface VersionStrategy

Overrides:

compareVersion in class AbstractVersionStrategy

See Also:

StoreManager.compareVersion(org.apache.openjpa.kernel.OpenJPAStateManager, java.lang.Object, java.lang.Object)

getBulkUpdateValues

public Map getBulkUpdateValues()

Specified by:

getBulkUpdateValues in interface VersionStrategy

Overrides:

getBulkUpdateValues in class AbstractVersionStrategy

Returns:

a Map specifying how to update each version column during a bulk update.