org.apache.openjpa.jdbc.kernel
Class AbstractUpdateManager

java.lang.Object
  org.apache.openjpa.jdbc.kernel.AbstractUpdateManager

All Implemented Interfaces:

UpdateManager, Configurable

Direct Known Subclasses:

ConstraintUpdateManager, OperationOrderUpdateManager

public abstract class AbstractUpdateManager
extends Object
implements UpdateManager, Configurable

Base update manager with common functionality.

Author:

Abe White

Nested Class Summary

protected static class

AbstractUpdateManager.CustomMapping Executes customized mapping updates.

Field Summary

protected JDBCConfiguration	conf
protected DBDictionary	dict

Constructor Summary

AbstractUpdateManager()

Method Summary

protected Collection	addException(Collection exceps, Exception err) Add the given exception to the given list, which may start out as null.
protected void	delete(OpenJPAStateManager sm, ClassMapping mapping, RowManager rowMgr, JDBCStore store, Collection customs) Recursive method to delete the given instance, base class last.
void	endConfiguration() Invoked upon completion of bean property configuration for this object.
Collection	flush(Collection states, JDBCStore store) Flush the given instances to the data store.
protected abstract Collection	flush(RowManager rowMgr, PreparedStatementManager psMgr, Collection exceps) Flush all rows of the given row manager.
protected void	insert(OpenJPAStateManager sm, ClassMapping mapping, RowManager rowMgr, JDBCStore store, Collection customs) Recursive method to insert the given instance, base class first.
protected abstract PreparedStatementManager	newPreparedStatementManager(JDBCStore store, Connection conn) Return a new PreparedStatementManager.
protected abstract RowManager	newRowManager() Return a new RowManager.
protected Collection	populateRowManager(OpenJPAStateManager sm, RowManager rowMgr, JDBCStore store, Collection exceps, Collection customs) Populate the row manager with rows to be flushed for the given state.
void	setConfiguration(Configuration conf) Invoked prior to setting bean properties.
void	startConfiguration() Invoked before bean property configuration is begun on this object.
protected void	update(OpenJPAStateManager sm, BitSet dirty, ClassMapping mapping, RowManager rowMgr, JDBCStore store, Collection customs) Recursive method to update the given instance.
protected void	updateIndicators(OpenJPAStateManager sm, ClassMapping mapping, RowManager rowMgr, JDBCStore store, Collection customs, boolean versionUpdateOnly) Update version and discriminator indicators.

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.kernel.UpdateManager

orderDirty

Field Detail

conf

protected JDBCConfiguration conf

dict

protected DBDictionary dict

Constructor Detail

AbstractUpdateManager

public AbstractUpdateManager()

Method Detail

setConfiguration

public void setConfiguration(Configuration conf)

Description copied from interface: Configurable

Invoked prior to setting bean properties.

Specified by:

setConfiguration in interface Configurable

startConfiguration

public void startConfiguration()

Description copied from interface: Configurable

Invoked before bean property configuration is begun on this object.

Specified by:

startConfiguration in interface Configurable

endConfiguration

public void endConfiguration()

Description copied from interface: Configurable

Invoked upon completion of bean property configuration for this object.

Specified by:

endConfiguration in interface Configurable

flush

public Collection flush(Collection states,
                        JDBCStore store)

Description copied from interface: UpdateManager

Flush the given instances to the data store.

Specified by:

flush in interface UpdateManager

See Also:

StoreManager.flush(java.util.Collection)

newRowManager

protected abstract RowManager newRowManager()

Return a new RowManager.

newPreparedStatementManager

protected abstract PreparedStatementManager newPreparedStatementManager(JDBCStore store,
                                                                        Connection conn)

Return a new PreparedStatementManager.

flush

protected abstract Collection flush(RowManager rowMgr,
                                    PreparedStatementManager psMgr,
                                    Collection exceps)

Flush all rows of the given row manager. Add exceptions to exceps (which may start as null) using addException(java.util.Collection, java.lang.Exception). Return exceps.

populateRowManager

protected Collection populateRowManager(OpenJPAStateManager sm,
                                        RowManager rowMgr,
                                        JDBCStore store,
                                        Collection exceps,
                                        Collection customs)

Populate the row manager with rows to be flushed for the given state.

Parameters:

exceps - exceptions encountered when flushing will be added to this list and returned; the list may be null initially

customs - buffer custom mappings

Returns:

the exceptions list

addException

protected Collection addException(Collection exceps,
                                  Exception err)

Add the given exception to the given list, which may start out as null.

insert

protected void insert(OpenJPAStateManager sm,
                      ClassMapping mapping,
                      RowManager rowMgr,
                      JDBCStore store,
                      Collection customs)
               throws SQLException

Recursive method to insert the given instance, base class first.

Throws:

SQLException

delete

protected void delete(OpenJPAStateManager sm,
                      ClassMapping mapping,
                      RowManager rowMgr,
                      JDBCStore store,
                      Collection customs)
               throws SQLException

Recursive method to delete the given instance, base class last.

Throws:

SQLException

update

protected void update(OpenJPAStateManager sm,
                      BitSet dirty,
                      ClassMapping mapping,
                      RowManager rowMgr,
                      JDBCStore store,
                      Collection customs)
               throws SQLException

Recursive method to update the given instance.

Throws:

SQLException

updateIndicators

protected void updateIndicators(OpenJPAStateManager sm,
                                ClassMapping mapping,
                                RowManager rowMgr,
                                JDBCStore store,
                                Collection customs,
                                boolean versionUpdateOnly)
                         throws SQLException

Update version and discriminator indicators.

Throws:

SQLException