Package org.hibernate.engine.spi

Class CollectionEntry

java.lang.Object

org.hibernate.engine.spi.CollectionEntry

All Implemented Interfaces:

Serializable

public final class CollectionEntry
extends Object
implements Serializable

We need an entry to tell us all about the current state of a collection with respect to its persistent state

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
CollectionEntry(PersistentCollection<?> collection, SessionFactoryImplementor factory)	For initialized detached collections
CollectionEntry(PersistentCollection<?> collection, CollectionPersister loadedPersister, Object loadedKey, boolean ignore)	For collections just loaded from the database
CollectionEntry(CollectionPersister loadedPersister, Object loadedKey)	For uninitialized detached collections
CollectionEntry(CollectionPersister persister, PersistentCollection<?> collection)	For newly wrapped collections, or dereferenced collection wrappers

Method Summary

Modifier and Type	Method	Description
void	afterAction(PersistentCollection<?> collection)	Called after execution of an action
static CollectionEntry	deserialize(ObjectInputStream ois, SessionImplementor session)	Custom deserialization routine used during deserialization of a Session/PersistenceContext for increased performance.
@Nullable Object	getCurrentKey()	This is only available late during the flush cycle
@Nullable CollectionPersister	getCurrentPersister()
@Nullable Object	getKey()
@Nullable Object	getLoadedKey()
@Nullable CollectionPersister	getLoadedPersister()	This is only available late during the flush cycle
Collection<?>	getOrphans(String entityName, PersistentCollection<?> collection)	Get the collection orphans (entities which were removed from the collection)
@Nullable String	getRole()
@Nullable Serializable	getSnapshot()
boolean	isDorecreate()
boolean	isDoremove()
boolean	isDoupdate()
boolean	isIgnore()
boolean	isProcessed()
boolean	isReached()
boolean	isSnapshotEmpty(PersistentCollection<?> collection)
void	postFlush(PersistentCollection<?> collection)	Called after a successful flush
void	postInitialize(PersistentCollection<?> collection, SharedSessionContractImplementor session)
void	preFlush(PersistentCollection<?> collection)
void	resetStoredSnapshot(PersistentCollection<?> collection, Serializable storedSnapshot)	Reset the stored snapshot for both the persistent collection and this collection entry.
void	serialize(ObjectOutputStream oos)	Custom serialization routine used during serialization of a Session/PersistenceContext for increased performance.
void	setCurrentKey(@Nullable Object currentKey)
void	setCurrentPersister(@Nullable CollectionPersister currentPersister)
void	setDorecreate(boolean dorecreate)
void	setDoremove(boolean doremove)
void	setDoupdate(boolean doupdate)
void	setProcessed(boolean processed)
void	setReached(boolean reached)
void	setRole(@Nullable String role)
String	toString()
boolean	wasDereferenced()

Methods inherited from class java.lang.Object

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

Constructor Details

CollectionEntry

public CollectionEntry(CollectionPersister persister,
 PersistentCollection<?> collection)

For newly wrapped collections, or dereferenced collection wrappers

CollectionEntry

public CollectionEntry(PersistentCollection<?> collection,
 CollectionPersister loadedPersister,
 Object loadedKey,
 boolean ignore)

For collections just loaded from the database

CollectionEntry

public CollectionEntry(CollectionPersister loadedPersister,
 Object loadedKey)

For uninitialized detached collections

CollectionEntry

public CollectionEntry(PersistentCollection<?> collection,
 SessionFactoryImplementor factory)

For initialized detached collections

Method Details

preFlush

public void preFlush(PersistentCollection<?> collection)
              throws HibernateException

Throws:

HibernateException

postInitialize

public void postInitialize(PersistentCollection<?> collection,
 SharedSessionContractImplementor session)
                    throws HibernateException

Throws:

HibernateException

postFlush

public void postFlush(PersistentCollection<?> collection)
               throws HibernateException

Called after a successful flush

Throws:

HibernateException

afterAction

public void afterAction(PersistentCollection<?> collection)

Called after execution of an action

getKey

public @Nullable Object getKey()

getRole

public @Nullable String getRole()

getSnapshot

public @Nullable Serializable getSnapshot()

resetStoredSnapshot

public void resetStoredSnapshot(PersistentCollection<?> collection,
 Serializable storedSnapshot)

Reset the stored snapshot for both the persistent collection and this collection entry. Used during the merge of detached collections.

Parameters:

collection - the persistent collection to be updated

storedSnapshot - the new stored snapshot

wasDereferenced

public boolean wasDereferenced()

isReached

public boolean isReached()

setReached

public void setReached(boolean reached)

isProcessed

public boolean isProcessed()

setProcessed

public void setProcessed(boolean processed)

isDoupdate

public boolean isDoupdate()

setDoupdate

public void setDoupdate(boolean doupdate)

isDoremove

public boolean isDoremove()

setDoremove

public void setDoremove(boolean doremove)

isDorecreate

public boolean isDorecreate()

setDorecreate

public void setDorecreate(boolean dorecreate)

isIgnore

public boolean isIgnore()

getCurrentPersister

public @Nullable CollectionPersister getCurrentPersister()

setCurrentPersister

public void setCurrentPersister(@Nullable CollectionPersister currentPersister)

getCurrentKey

public @Nullable Object getCurrentKey()

This is only available late during the flush cycle

setCurrentKey

public void setCurrentKey(@Nullable Object currentKey)

getLoadedPersister

public @Nullable CollectionPersister getLoadedPersister()

This is only available late during the flush cycle

getLoadedKey

public @Nullable Object getLoadedKey()

setRole

public void setRole(@Nullable String role)

toString

public String toString()

Overrides:

toString in class Object

getOrphans

public Collection<?> getOrphans(String entityName,
 PersistentCollection<?> collection)
                         throws HibernateException

Get the collection orphans (entities which were removed from the collection)

Throws:

HibernateException

isSnapshotEmpty

public boolean isSnapshotEmpty(PersistentCollection<?> collection)

serialize

public void serialize(ObjectOutputStream oos)
               throws IOException

Custom serialization routine used during serialization of a Session/PersistenceContext for increased performance.

Parameters:

oos - The stream to which we should write the serial data.

Throws:

IOException

deserialize

public static CollectionEntry deserialize(ObjectInputStream ois,
 SessionImplementor session)
                                   throws IOException,
ClassNotFoundException

Custom deserialization routine used during deserialization of a Session/PersistenceContext for increased performance.

Parameters:

ois - The stream from which to read the entry.

session - The session being deserialized.

Returns:

The deserialized CollectionEntry

Throws:

IOException

ClassNotFoundException