org.apache.openjpa.jdbc.kernel
Class AbstractJDBCSavepointManager

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

All Implemented Interfaces:

SavepointManager, Configurable

Direct Known Subclasses:

JDBC3SavepointManager

public abstract class AbstractJDBCSavepointManager
extends Object
implements SavepointManager, Configurable

Abstract SavepointManager implementation that delegates to the subclass for savepoint operations on the active Connection. This implementation issues a flush and relies on the driver/db to restore back to the flushed state.

Since:

0.3.4

Author:

Steve Kim

Nested Class Summary

protected class

AbstractJDBCSavepointManager.ConnectionSavepoint A savepoint which provides access to the current transactional connection.

Constructor Summary

AbstractJDBCSavepointManager()

Method Summary

void	endConfiguration() Invoked upon completion of bean property configuration for this object.
boolean	getRestoreFieldState() Return whether to retain in-memory copies of field values for restore on rollback.
OpenJPASavepoint	newSavepoint(String name, Broker broker) Return a new savepoint for the given name, which may be null.
protected abstract void	rollbackDataStore(AbstractJDBCSavepointManager.ConnectionSavepoint savepoint) Rollback the datastore savepoint.
void	setConfiguration(Configuration conf) Invoked prior to setting bean properties.
protected abstract void	setDataStore(AbstractJDBCSavepointManager.ConnectionSavepoint savepoint) Set the datastore savepoint.
void	setRestoreFieldState(boolean restore) Set whether to retain in-memory copies of field values for restore on rollback.
void	startConfiguration() Invoked before bean property configuration is begun on this object.
boolean	supportsIncrementalFlush() Return whether the savepoints generated by this manager can handle incremental flushes to the datastore.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractJDBCSavepointManager

public AbstractJDBCSavepointManager()

Method Detail

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

setConfiguration

public void setConfiguration(Configuration conf)

Description copied from interface: Configurable

Invoked prior to setting bean properties.

Specified by:

setConfiguration 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

getRestoreFieldState

public boolean getRestoreFieldState()

Return whether to retain in-memory copies of field values for restore on rollback. Defaults to {@link OpenJPAConfiguration#getRestoreState).

setRestoreFieldState

public void setRestoreFieldState(boolean restore)

Set whether to retain in-memory copies of field values for restore on rollback. Defaults to OpenJPAConfiguration.getRestoreState().

newSavepoint

public OpenJPASavepoint newSavepoint(String name,
                                     Broker broker)

Description copied from interface: SavepointManager

Return a new savepoint for the given name, which may be null.

Specified by:

newSavepoint in interface SavepointManager

supportsIncrementalFlush

public boolean supportsIncrementalFlush()

Description copied from interface: SavepointManager

Return whether the savepoints generated by this manager can handle incremental flushes to the datastore.

Specified by:

supportsIncrementalFlush in interface SavepointManager

rollbackDataStore

protected abstract void rollbackDataStore(AbstractJDBCSavepointManager.ConnectionSavepoint savepoint)

Rollback the datastore savepoint.

setDataStore

protected abstract void setDataStore(AbstractJDBCSavepointManager.ConnectionSavepoint savepoint)

Set the datastore savepoint.