org.apache.openjpa.kernel
Class PCDataImpl

java.lang.Object
  org.apache.openjpa.kernel.AbstractPCData
      org.apache.openjpa.kernel.PCDataImpl

All Implemented Interfaces:

Serializable, PCData

Direct Known Subclasses:

DataCachePCDataImpl

public class PCDataImpl
extends AbstractPCData

Default PCData implementation.

Author:

Patrick Linskey, Abe White

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.openjpa.kernel.AbstractPCData

NULL

Constructor Summary

PCDataImpl(Object oid, ClassMetaData meta)
Constructor.

Method Summary

void	clearData(int index)
Object	getData(int index) Return the data stored in the given field index.
Object	getId() Return the id of this instance.
Object	getImplData() Returns the instance-level impl data, or null if none.
Object	getImplData(int index)
Object	getIntermediate(int index)
BitSet	getLoaded() Return the loaded field mask.
Class	getType() Return the type of this instance.
Object	getVersion() Returns the current version object that this data was loaded from.
boolean	isLoaded(int index) Whether the given field index has stored data.
void	load(OpenJPAStateManager sm, BitSet fields, FetchConfiguration fetch, Object context) Loads some or all of the marked fields from the cache into the given state manager.
void	load(OpenJPAStateManager sm, FetchConfiguration fetch, Object context) Loads all fields that are currently stored in the cache into the given state manager.
protected void	loadField(OpenJPAStateManager sm, FieldMetaData fmd, FetchConfiguration fetch, Object context) Set field-level information into the given state manager.
protected void	loadImplData(OpenJPAStateManager sm) Set impl data information into the given state manager.
protected void	loadImplData(OpenJPAStateManager sm, FieldMetaData fmd) Set field-level impl data into the given state manager.
protected void	loadIntermediate(OpenJPAStateManager sm, FieldMetaData fmd) Set intermediate information for the given field into the state manager.
protected void	loadVersion(OpenJPAStateManager sm) Set version information into the given state manager.
AbstractPCData	newEmbeddedPCData(OpenJPAStateManager sm) Return a new PCData implementation of the right type for embedded instances.
void	setData(int index, Object val)
void	setImplData(int index, Object val)
void	setImplData(Object val) Sets the stored instance-level impl data.
void	setIntermediate(int index, Object val)
void	setLoaded(int index, boolean loaded)
void	setVersion(Object version) Sets the current version object that this data was loaded from.
void	store(OpenJPAStateManager sm) Store all loaded fields of the state manager.
void	store(OpenJPAStateManager sm, BitSet fields) Store the given fields from the state manager.
protected void	storeField(OpenJPAStateManager sm, FieldMetaData fmd) Store field-level information from the given state manager.
protected void	storeImplData(OpenJPAStateManager sm) Store impl data from the given state manager.
protected void	storeImplData(OpenJPAStateManager sm, FieldMetaData fmd, boolean fieldLoaded) Store impl data for the given field.
protected void	storeIntermediate(OpenJPAStateManager sm, FieldMetaData fmd) Store the intermediate field value for the given field.
protected void	storeVersion(OpenJPAStateManager sm) Store version information from the given state manager.

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

toData, toEmbeddedData, toEmbeddedField, toField, toNestedData, toNestedField, toRelationData, toRelationField

Methods inherited from class java.lang.Object

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

Constructor Detail

PCDataImpl

public PCDataImpl(Object oid,
                  ClassMetaData meta)

Constructor.

Method Detail

getId

public Object getId()

Description copied from interface: PCData

Return the id of this instance.

getType

public Class getType()

Description copied from interface: PCData

Return the type of this instance.

getLoaded

public BitSet getLoaded()

Description copied from class: AbstractPCData

Return the loaded field mask.

Specified by:

getLoaded in class AbstractPCData

getData

public Object getData(int index)

Description copied from interface: PCData

Return the data stored in the given field index.

setData

public void setData(int index,
                    Object val)

clearData

public void clearData(int index)

getImplData

public Object getImplData()

Description copied from interface: PCData

Returns the instance-level impl data, or null if none.

setImplData

public void setImplData(Object val)

Description copied from interface: PCData

Sets the stored instance-level impl data.

getImplData

public Object getImplData(int index)

setImplData

public void setImplData(int index,
                        Object val)

getIntermediate

public Object getIntermediate(int index)

setIntermediate

public void setIntermediate(int index,
                            Object val)

isLoaded

public boolean isLoaded(int index)

Description copied from interface: PCData

Whether the given field index has stored data.

Specified by:

isLoaded in interface PCData

Overrides:

isLoaded in class AbstractPCData

setLoaded

public void setLoaded(int index,
                      boolean loaded)

getVersion

public Object getVersion()

Description copied from interface: PCData

Returns the current version object that this data was loaded from.

setVersion

public void setVersion(Object version)

Description copied from interface: PCData

Sets the current version object that this data was loaded from.

load

public void load(OpenJPAStateManager sm,
                 FetchConfiguration fetch,
                 Object context)

Description copied from interface: PCData

Loads all fields that are currently stored in the cache into the given state manager.

Parameters:

sm - the state manager to load

fetch - the fetch configuration to use for loading related objects

context - current context information

load

public void load(OpenJPAStateManager sm,
                 BitSet fields,
                 FetchConfiguration fetch,
                 Object context)

Description copied from interface: PCData

Loads some or all of the marked fields from the cache into the given state manager.

Parameters:

sm - the state manager to load

fields - the fields to load; clear the bits for the fields that are successfully loaded

fetch - the fetch configuration to use for loading related objects

context - current context information

loadVersion

protected void loadVersion(OpenJPAStateManager sm)

Set version information into the given state manager.

loadImplData

protected void loadImplData(OpenJPAStateManager sm)

Set impl data information into the given state manager.

loadField

protected void loadField(OpenJPAStateManager sm,
                         FieldMetaData fmd,
                         FetchConfiguration fetch,
                         Object context)

Set field-level information into the given state manager.

loadImplData

protected void loadImplData(OpenJPAStateManager sm,
                            FieldMetaData fmd)

Set field-level impl data into the given state manager.

loadIntermediate

protected void loadIntermediate(OpenJPAStateManager sm,
                                FieldMetaData fmd)

Set intermediate information for the given field into the state manager.

store

public void store(OpenJPAStateManager sm)

Description copied from interface: PCData

Store all loaded fields of the state manager.

store

public void store(OpenJPAStateManager sm,
                  BitSet fields)

Description copied from interface: PCData

Store the given fields from the state manager.

storeVersion

protected void storeVersion(OpenJPAStateManager sm)

Store version information from the given state manager.

storeImplData

protected void storeImplData(OpenJPAStateManager sm)

Store impl data from the given state manager.

storeField

protected void storeField(OpenJPAStateManager sm,
                          FieldMetaData fmd)

Store field-level information from the given state manager.

storeIntermediate

protected void storeIntermediate(OpenJPAStateManager sm,
                                 FieldMetaData fmd)

Store the intermediate field value for the given field.

storeImplData

protected void storeImplData(OpenJPAStateManager sm,
                             FieldMetaData fmd,
                             boolean fieldLoaded)

Store impl data for the given field.

newEmbeddedPCData

public AbstractPCData newEmbeddedPCData(OpenJPAStateManager sm)

Return a new PCData implementation of the right type for embedded instances. Returns a PCDataImpl by default.

Specified by:

newEmbeddedPCData in class AbstractPCData