org.apache.openjpa.enhance
Interface StateManager

All Known Subinterfaces:

OpenJPAStateManager

All Known Implementing Classes:

DetachedStateManager, DetachedValueStateManager, ObjectIdStateManager, StateManagerImpl

public interface StateManager

Internal state manager for managed instances.

Field Summary

static int	SET_ATTACH
static int	SET_REMOTE
static int	SET_USER

Method Summary

void	accessingField(int idx) Field access callback.
void	dirty(String field) Make named field dirty.
Object	fetchObjectId() Return the object id, assigning it if necessary.
Object	getGenericContext() Persistence context.
Object	getPCPrimaryKey(Object oid, int field) Return the persistence-capable primary key object by extracting the identity value of the related instance stored in the given field from the given object id.
Object	getVersion() Returns the optimistic version for this instance.
boolean	isDeleted() Whether the instance is deleted in this transaction.
boolean	isDetached() Whether the instance is detached (i.e.
boolean	isDirty() Whether the instance has been modified in this transaction.
boolean	isNew() Whether the instance is newly-persisted in this transaction.
boolean	isPersistent() Whether the instance is persistent.
boolean	isTransactional() Whether the instance is transactional.
void	providedBooleanField(PersistenceCapable pc, int idx, boolean cur) Provide state callback.
void	providedByteField(PersistenceCapable pc, int idx, byte cur) Provide state callback.
void	providedCharField(PersistenceCapable pc, int idx, char cur) Provide state callback.
void	providedDoubleField(PersistenceCapable pc, int idx, double cur) Provide state callback.
void	providedFloatField(PersistenceCapable pc, int idx, float cur) Provide state callback.
void	providedIntField(PersistenceCapable pc, int idx, int cur) Provide state callback.
void	providedLongField(PersistenceCapable pc, int idx, long cur) Provide state callback.
void	providedObjectField(PersistenceCapable pc, int idx, Object cur) Provide state callback.
void	providedShortField(PersistenceCapable pc, int idx, short cur) Provide state callback.
void	providedStringField(PersistenceCapable pc, int idx, String cur) Provide state callback.
void	proxyDetachedDeserialized(int idx) Proxy the given detached field after deserialization.
boolean	replaceBooleanField(PersistenceCapable pc, int idx) Replace state callback.
byte	replaceByteField(PersistenceCapable pc, int idx) Replace state callback.
char	replaceCharField(PersistenceCapable pc, int idx) Replace state callback.
double	replaceDoubleField(PersistenceCapable pc, int idx) Replace state callback.
byte	replaceFlags() Change internal flags.
float	replaceFloatField(PersistenceCapable pc, int idx) Replace state callback.
int	replaceIntField(PersistenceCapable pc, int idx) Replace state callback.
long	replaceLongField(PersistenceCapable pc, int idx) Replace state callback.
Object	replaceObjectField(PersistenceCapable pc, int idx) Replace state callback.
short	replaceShortField(PersistenceCapable pc, int idx) Replace state callback.
StateManager	replaceStateManager(StateManager sm) Change state manager.
String	replaceStringField(PersistenceCapable pc, int idx) Replace state callback.
boolean	serializing() Callback to prepare instance for serialization.
void	settingBooleanField(PersistenceCapable pc, int idx, boolean cur, boolean next, int set) Setting state callback.
void	settingByteField(PersistenceCapable pc, int idx, byte cur, byte next, int set) Setting state callback.
void	settingCharField(PersistenceCapable pc, int idx, char cur, char next, int set) Setting state callback.
void	settingDoubleField(PersistenceCapable pc, int idx, double cur, double next, int set) Setting state callback.
void	settingFloatField(PersistenceCapable pc, int idx, float cur, float next, int set) Setting state callback.
void	settingIntField(PersistenceCapable pc, int idx, int cur, int next, int set) Setting state callback.
void	settingLongField(PersistenceCapable pc, int idx, long cur, long next, int set) Setting state callback.
void	settingObjectField(PersistenceCapable pc, int idx, Object cur, Object next, int set) Setting state callback.
void	settingShortField(PersistenceCapable pc, int idx, short cur, short next, int set) Setting state callback.
void	settingStringField(PersistenceCapable pc, int idx, String cur, String next, int set) Setting state callback.
boolean	writeDetached(ObjectOutput out) Write detached state object and detached state manager to the given stream.

Field Detail

SET_USER

static final int SET_USER

See Also:

Constant Field Values

SET_REMOTE

static final int SET_REMOTE

See Also:

Constant Field Values

SET_ATTACH

static final int SET_ATTACH

See Also:

Constant Field Values

Method Detail

getGenericContext

Object getGenericContext()

Persistence context.

getPCPrimaryKey

Object getPCPrimaryKey(Object oid,
                       int field)

Return the persistence-capable primary key object by extracting the identity value of the related instance stored in the given field from the given object id.

replaceFlags

byte replaceFlags()

Change internal flags.

replaceStateManager

StateManager replaceStateManager(StateManager sm)

Change state manager.

getVersion

Object getVersion()

Returns the optimistic version for this instance.

isDirty

boolean isDirty()

Whether the instance has been modified in this transaction.

isTransactional

boolean isTransactional()

Whether the instance is transactional.

isPersistent

boolean isPersistent()

Whether the instance is persistent.

isNew

boolean isNew()

Whether the instance is newly-persisted in this transaction.

isDeleted

boolean isDeleted()

Whether the instance is deleted in this transaction.

isDetached

boolean isDetached()

Whether the instance is detached (i.e. this manager is a detached state manager)

dirty

void dirty(String field)

Make named field dirty.

fetchObjectId

Object fetchObjectId()

Return the object id, assigning it if necessary.

serializing

boolean serializing()

Callback to prepare instance for serialization.

Returns:

true to null detached state after serialize

writeDetached

boolean writeDetached(ObjectOutput out)
                      throws IOException

Write detached state object and detached state manager to the given stream.

Returns:

true if managed fields also written to stream

Throws:

IOException

proxyDetachedDeserialized

void proxyDetachedDeserialized(int idx)

Proxy the given detached field after deserialization.

accessingField

void accessingField(int idx)

Field access callback.

settingBooleanField

void settingBooleanField(PersistenceCapable pc,
                         int idx,
                         boolean cur,
                         boolean next,
                         int set)

Setting state callback.

settingCharField

void settingCharField(PersistenceCapable pc,
                      int idx,
                      char cur,
                      char next,
                      int set)

Setting state callback.

settingByteField

void settingByteField(PersistenceCapable pc,
                      int idx,
                      byte cur,
                      byte next,
                      int set)

Setting state callback.

settingShortField

void settingShortField(PersistenceCapable pc,
                       int idx,
                       short cur,
                       short next,
                       int set)

Setting state callback.

settingIntField

void settingIntField(PersistenceCapable pc,
                     int idx,
                     int cur,
                     int next,
                     int set)

Setting state callback.

settingLongField

void settingLongField(PersistenceCapable pc,
                      int idx,
                      long cur,
                      long next,
                      int set)

Setting state callback.

settingFloatField

void settingFloatField(PersistenceCapable pc,
                       int idx,
                       float cur,
                       float next,
                       int set)

Setting state callback.

settingDoubleField

void settingDoubleField(PersistenceCapable pc,
                        int idx,
                        double cur,
                        double next,
                        int set)

Setting state callback.

settingStringField

void settingStringField(PersistenceCapable pc,
                        int idx,
                        String cur,
                        String next,
                        int set)

Setting state callback.

settingObjectField

void settingObjectField(PersistenceCapable pc,
                        int idx,
                        Object cur,
                        Object next,
                        int set)

Setting state callback.

providedBooleanField

void providedBooleanField(PersistenceCapable pc,
                          int idx,
                          boolean cur)

Provide state callback.

providedCharField

void providedCharField(PersistenceCapable pc,
                       int idx,
                       char cur)

Provide state callback.

providedByteField

void providedByteField(PersistenceCapable pc,
                       int idx,
                       byte cur)

Provide state callback.

providedShortField

void providedShortField(PersistenceCapable pc,
                        int idx,
                        short cur)

Provide state callback.

providedIntField

void providedIntField(PersistenceCapable pc,
                      int idx,
                      int cur)

Provide state callback.

providedLongField

void providedLongField(PersistenceCapable pc,
                       int idx,
                       long cur)

Provide state callback.

providedFloatField

void providedFloatField(PersistenceCapable pc,
                        int idx,
                        float cur)

Provide state callback.

providedDoubleField

void providedDoubleField(PersistenceCapable pc,
                         int idx,
                         double cur)

Provide state callback.

providedStringField

void providedStringField(PersistenceCapable pc,
                         int idx,
                         String cur)

Provide state callback.

providedObjectField

void providedObjectField(PersistenceCapable pc,
                         int idx,
                         Object cur)

Provide state callback.

replaceBooleanField

boolean replaceBooleanField(PersistenceCapable pc,
                            int idx)

Replace state callback.

replaceCharField

char replaceCharField(PersistenceCapable pc,
                      int idx)

Replace state callback.

replaceByteField

byte replaceByteField(PersistenceCapable pc,
                      int idx)

Replace state callback.

replaceShortField

short replaceShortField(PersistenceCapable pc,
                        int idx)

Replace state callback.

replaceIntField

int replaceIntField(PersistenceCapable pc,
                    int idx)

Replace state callback.

replaceLongField

long replaceLongField(PersistenceCapable pc,
                      int idx)

Replace state callback.

replaceFloatField

float replaceFloatField(PersistenceCapable pc,
                        int idx)

Replace state callback.

replaceDoubleField

double replaceDoubleField(PersistenceCapable pc,
                          int idx)

Replace state callback.

replaceStringField

String replaceStringField(PersistenceCapable pc,
                          int idx)

Replace state callback.

replaceObjectField

Object replaceObjectField(PersistenceCapable pc,
                          int idx)

Replace state callback.