org.apache.openjpa.kernel
Class SavepointFieldManager

java.lang.Object
  org.apache.openjpa.kernel.AbstractFieldManager
      org.apache.openjpa.kernel.ClearFieldManager
          org.apache.openjpa.kernel.SavepointFieldManager

All Implemented Interfaces:

Serializable, FieldConsumer, FieldManager, FieldSupplier

 class SavepointFieldManager
extends ClearFieldManager
implements Serializable

FieldManager type used to store information for savepoint rollback.

Since:

0.3.4

Author:

Steve Kim

Constructor Summary

SavepointFieldManager(StateManagerImpl sm, boolean copy)
Constructor.

Method Summary

Object	fetchObjectField(int field) Return the value of the given field.
PersistenceCapable	getCopy() Return the persistence capable copy holding the savepoint field values.
BitSet	getDirty() Return the dirty fields during the saved state.
BitSet	getFlushed() Return the flushed fields during the saved state.
BitSet	getLoaded() Return the fields stored in this manager.
Object	getLoadVersion()
PCState	getPCState() Return the saved PCState
StateManagerImpl	getStateManager() Return the state manager that this manager is associated with.
Object	getVersion()
boolean	restoreField(int field) Restore the given field.
void	storeField(FieldMetaData field) Store the data for the given field.
void	storeObjectField(int field, Object curVal) Set the value of the given field.

Methods inherited from class org.apache.openjpa.kernel.ClearFieldManager

fetchBooleanField, fetchByteField, fetchCharField, fetchDoubleField, fetchFloatField, fetchIntField, fetchLongField, fetchShortField, fetchStringField, getInstance

Methods inherited from class org.apache.openjpa.kernel.AbstractFieldManager

storeBooleanField, storeByteField, storeCharField, storeDoubleField, storeFloatField, storeIntField, storeLongField, storeShortField, storeStringField

Methods inherited from class java.lang.Object

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

Constructor Detail

SavepointFieldManager

public SavepointFieldManager(StateManagerImpl sm,
                             boolean copy)

Constructor. Provide instance to save and indicate whether to copy persistent fields. Transactional fields will be copied regardless of copy setting.

Method Detail

getStateManager

public StateManagerImpl getStateManager()

Return the state manager that this manager is associated with.

getVersion

public Object getVersion()

getLoadVersion

public Object getLoadVersion()

getCopy

public PersistenceCapable getCopy()

Return the persistence capable copy holding the savepoint field values.

getPCState

public PCState getPCState()

Return the saved PCState

getLoaded

public BitSet getLoaded()

Return the fields stored in this manager.

getDirty

public BitSet getDirty()

Return the dirty fields during the saved state.

getFlushed

public BitSet getFlushed()

Return the flushed fields during the saved state.

storeField

public void storeField(FieldMetaData field)

Store the data for the given field.

restoreField

public boolean restoreField(int field)

Restore the given field. If this method returns true, then you need to use this field manager to replace the given field in the state manager's instance.

fetchObjectField

public Object fetchObjectField(int field)

Description copied from interface: FieldSupplier

Return the value of the given field.

Specified by:

fetchObjectField in interface FieldSupplier

Overrides:

fetchObjectField in class ClearFieldManager

storeObjectField

public void storeObjectField(int field,
                             Object curVal)

Description copied from interface: FieldConsumer

Set the value of the given field.

Specified by:

storeObjectField in interface FieldConsumer

Overrides:

storeObjectField in class AbstractFieldManager