kodo.jdbc.meta.strats
Class ColumnPerLockGroupVersionStrategy

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

All Implemented Interfaces:

Serializable, Strategy, VersionStrategy

Direct Known Subclasses:

LockGroupNumberVersionStrategy, LockGroupTimestampVersionStrategy

public abstract class ColumnPerLockGroupVersionStrategy
extends AbstractVersionStrategy

Uses a column and corresponding version object for each lock group.

See Also:

Serialized Form

Field Summary

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

vers

Constructor Summary

ColumnPerLockGroupVersionStrategy()

Method Summary

boolean	checkVersion(OpenJPAStateManager sm, JDBCStore store, boolean updateVersion)
protected int	compare(Object v1, Object v2) Compare the two versions.
int	compareVersion(Object v1, Object v2)
void	delete(OpenJPAStateManager sm, JDBCStore store, RowManager rm)
protected abstract int	getJavaType() Return the code from JavaTypes for the version values this strategy uses.
void	insert(OpenJPAStateManager sm, JDBCStore store, RowManager rm)
void	load(OpenJPAStateManager sm, JDBCStore store, Result res)
void	map(boolean adapt)
protected abstract Object	nextVersion(Object version) Return the next version given the current one, which may be null.
boolean	select(Select sel, ClassMapping mapping)
void	update(OpenJPAStateManager sm, JDBCStore store, RowManager rm)

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, getAlias, 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, getAlias, initialize, isCustomDelete, isCustomInsert, isCustomUpdate

Constructor Detail

ColumnPerLockGroupVersionStrategy

public ColumnPerLockGroupVersionStrategy()

Method Detail

getJavaType

protected abstract int getJavaType()

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

nextVersion

protected abstract Object nextVersion(Object version)

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

compare

protected int compare(Object v1,
                      Object v2)

Compare the two versions. Defaults to assuming the version objects implement Comparable.

See Also:

Comparator.compare(T, T)

map

public void map(boolean adapt)

Specified by:

map in interface Strategy

Overrides:

map in class AbstractStrategy

insert

public void insert(OpenJPAStateManager sm,
                   JDBCStore store,
                   RowManager rm)
            throws SQLException

Specified by:

insert in interface Strategy

Overrides:

insert in class AbstractStrategy

Throws:

SQLException

update

public void update(OpenJPAStateManager sm,
                   JDBCStore store,
                   RowManager rm)
            throws SQLException

Specified by:

update in interface Strategy

Overrides:

update in class AbstractStrategy

Throws:

SQLException

delete

public void delete(OpenJPAStateManager sm,
                   JDBCStore store,
                   RowManager rm)
            throws SQLException

Specified by:

delete in interface Strategy

Overrides:

delete in class AbstractStrategy

Throws:

SQLException

select

public boolean select(Select sel,
                      ClassMapping mapping)

Specified by:

select in interface VersionStrategy

Overrides:

select in class AbstractVersionStrategy

load

public void load(OpenJPAStateManager sm,
                 JDBCStore store,
                 Result res)
          throws SQLException

Specified by:

load in interface VersionStrategy

Overrides:

load in class AbstractVersionStrategy

Throws:

SQLException

checkVersion

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

Specified by:

checkVersion in interface VersionStrategy

Overrides:

checkVersion in class AbstractVersionStrategy

Throws:

SQLException

compareVersion

public int compareVersion(Object v1,
                          Object v2)

Specified by:

compareVersion in interface VersionStrategy

Overrides:

compareVersion in class AbstractVersionStrategy