程序包 org.hibernate.engine.internal

类 AbstractEntityEntry

java.lang.Object

org.hibernate.engine.internal.AbstractEntityEntry

所有已实现的接口:

Serializable, EntityEntry

直接已知子类:

ImmutableEntityEntry, MutableEntityEntry

public abstract class AbstractEntityEntry
extends Object
implements Serializable, EntityEntry

A base implementation of EntityEntry

作者:

Gavin King, Emmanuel Bernard , Gunnar Morling, Sanne Grinovero

另请参阅:

序列化表格

嵌套类概要

嵌套类

修饰符和类型	类	说明
protected static class	AbstractEntityEntry.BooleanState	Represents a boolean flag stored within a number value, using one bit at a specified offset.
protected static class	AbstractEntityEntry.EnumState<E extends Enum<E>>	Represents an enum value stored within a number value, using four bits starting at a specified offset.

字段概要

字段

修饰符和类型	字段	说明
protected EntityKey	cachedEntityKey
protected Serializable	id
protected Object[]	loadedState
protected EntityEntryExtraState	next
protected PersistenceContext	persistenceContext
protected EntityPersister	persister
protected Object	rowId
protected Object	version

构造器概要

构造器

限定符	构造器	说明
protected	AbstractEntityEntry(SessionFactoryImplementor factory, String entityName, Serializable id, Status status, Status previousStatus, Object[] loadedState, Object[] deletedState, Object version, LockMode lockMode, boolean existsInDatabase, boolean isBeingReplicated, PersistenceContext persistenceContext)	This for is used during custom deserialization handling
	AbstractEntityEntry(Status status, Object[] loadedState, Object rowId, Serializable id, Object version, LockMode lockMode, boolean existsInDatabase, EntityPersister persister, boolean disableVersionIncrement, PersistenceContext persistenceContext)
	AbstractEntityEntry(Status status, Object[] loadedState, Object rowId, Serializable id, Object version, LockMode lockMode, boolean existsInDatabase, EntityPersister persister, EntityMode entityMode, String tenantId, boolean disableVersionIncrement, PersistenceContext persistenceContext)	已过时。 the tenantId and entityMode parameters where removed: this constructor accepts but ignores them.

方法概要

修饰符和类型	方法	说明
void	addExtraState(EntityEntryExtraState extraState)
void	forceLocked(Object entity, Object nextVersion)
protected boolean	getCompressedValue(AbstractEntityEntry.BooleanState state)	Gets the current value of the given boolean flag.
protected <E extends Enum<E>> E	getCompressedValue(AbstractEntityEntry.EnumState<E> state)	Gets the current value of the given enum property.
Object[]	getDeletedState()
EntityKey	getEntityKey()	Get the EntityKey based on this EntityEntry.
String	getEntityName()
<T extends EntityEntryExtraState> T	getExtraState(Class<T> extraStateType)
Serializable	getId()
Object[]	getLoadedState()
Object	getLoadedValue(String propertyName)
LockMode	getLockMode()
PersistenceContext	getPersistenceContext()
EntityPersister	getPersister()
Object	getRowId()
Status	getStatus()
Object	getVersion()
boolean	isBeingReplicated()
boolean	isExistsInDatabase()
boolean	isModifiableEntity()	Can the entity be modified?
boolean	isNullifiable(boolean earlyInsert, SharedSessionContractImplementor session)
boolean	isReadOnly()
void	overwriteLoadedStateCollectionValue(String propertyName, PersistentCollection collection)
void	postDelete()	After actually deleting a row, record the fact that the instance no longer exists in the database
void	postInsert(Object[] insertedState)	After actually inserting a row, record the fact that the instance exists on the database (needed for identity-column key generation)
void	postUpdate(Object entity, Object[] updatedState, Object nextVersion)	Handle updating the internal state of the entry after actually performing the database update.
boolean	requiresDirtyCheck(Object entity)	Not sure this is the best method name, but the general idea here is to return true if the entity can possibly be dirty.
void	serialize(ObjectOutputStream oos)	Custom serialization routine used during serialization of a Session/PersistenceContext for increased performance.
protected void	setCompressedValue(AbstractEntityEntry.BooleanState state, boolean value)	Saves the value for the given boolean flag.
protected <E extends Enum<E>> void	setCompressedValue(AbstractEntityEntry.EnumState<E> state, E value)	Saves the value for the given enum property.
void	setDeletedState(Object[] deletedState)
void	setLockMode(LockMode lockMode)
void	setReadOnly(boolean readOnly, Object entity)
void	setStatus(Status status)
String	toString()

从类继承的方法 java.lang.Object

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

字段详细资料

id

protected final Serializable id

loadedState

protected Object[] loadedState

version

protected Object version

persister

protected final EntityPersister persister

cachedEntityKey

protected transient EntityKey cachedEntityKey

rowId

protected final transient Object rowId

persistenceContext

protected final transient PersistenceContext persistenceContext

next

protected EntityEntryExtraState next

构造器详细资料

AbstractEntityEntry

@Deprecated
public AbstractEntityEntry(Status status,
                           Object[] loadedState,
                           Object rowId,
                           Serializable id,
                           Object version,
                           LockMode lockMode,
                           boolean existsInDatabase,
                           EntityPersister persister,
                           EntityMode entityMode,
                           String tenantId,
                           boolean disableVersionIncrement,
                           PersistenceContext persistenceContext)

已过时。

the tenantId and entityMode parameters where removed: this constructor accepts but ignores them. Use the other constructor!

AbstractEntityEntry

public AbstractEntityEntry(Status status,
                           Object[] loadedState,
                           Object rowId,
                           Serializable id,
                           Object version,
                           LockMode lockMode,
                           boolean existsInDatabase,
                           EntityPersister persister,
                           boolean disableVersionIncrement,
                           PersistenceContext persistenceContext)

AbstractEntityEntry

protected AbstractEntityEntry(SessionFactoryImplementor factory,
                              String entityName,
                              Serializable id,
                              Status status,
                              Status previousStatus,
                              Object[] loadedState,
                              Object[] deletedState,
                              Object version,
                              LockMode lockMode,
                              boolean existsInDatabase,
                              boolean isBeingReplicated,
                              PersistenceContext persistenceContext)

This for is used during custom deserialization handling

方法详细资料

getLockMode

public LockMode getLockMode()

指定者:

getLockMode 在接口中 EntityEntry

setLockMode

public void setLockMode(LockMode lockMode)

指定者:

setLockMode 在接口中 EntityEntry

getStatus

public Status getStatus()

指定者:

getStatus 在接口中 EntityEntry

setStatus

public void setStatus(Status status)

指定者:

setStatus 在接口中 EntityEntry

getId

public Serializable getId()

指定者:

getId 在接口中 EntityEntry

getLoadedState

public Object[] getLoadedState()

指定者:

getLoadedState 在接口中 EntityEntry

getDeletedState

public Object[] getDeletedState()

指定者:

getDeletedState 在接口中 EntityEntry

setDeletedState

public void setDeletedState(Object[] deletedState)

指定者:

setDeletedState 在接口中 EntityEntry

isExistsInDatabase

public boolean isExistsInDatabase()

指定者:

isExistsInDatabase 在接口中 EntityEntry

getVersion

public Object getVersion()

指定者:

getVersion 在接口中 EntityEntry

getPersister

public EntityPersister getPersister()

指定者:

getPersister 在接口中 EntityEntry

getEntityKey

public EntityKey getEntityKey()

从接口复制的说明: EntityEntry

Get the EntityKey based on this EntityEntry.

指定者:

getEntityKey 在接口中 EntityEntry

返回:

the EntityKey

getEntityName

public String getEntityName()

指定者:

getEntityName 在接口中 EntityEntry

isBeingReplicated

public boolean isBeingReplicated()

指定者:

isBeingReplicated 在接口中 EntityEntry

getRowId

public Object getRowId()

指定者:

getRowId 在接口中 EntityEntry

postUpdate

public void postUpdate(Object entity,
                       Object[] updatedState,
                       Object nextVersion)

从接口复制的说明: EntityEntry

Handle updating the internal state of the entry after actually performing the database update. Specifically we update the snapshot information and escalate the lock mode

指定者:

postUpdate 在接口中 EntityEntry

参数:

entity - The entity instance

updatedState - The state calculated after the update (becomes the new loaded state.

nextVersion - The new version.

postDelete

public void postDelete()

从接口复制的说明: EntityEntry

After actually deleting a row, record the fact that the instance no longer exists in the database

指定者:

postDelete 在接口中 EntityEntry

postInsert

public void postInsert(Object[] insertedState)

从接口复制的说明: EntityEntry

After actually inserting a row, record the fact that the instance exists on the database (needed for identity-column key generation)

指定者:

postInsert 在接口中 EntityEntry

isNullifiable

public boolean isNullifiable(boolean earlyInsert,
                             SharedSessionContractImplementor session)

指定者:

isNullifiable 在接口中 EntityEntry

getLoadedValue

public Object getLoadedValue(String propertyName)

指定者:

getLoadedValue 在接口中 EntityEntry

overwriteLoadedStateCollectionValue

public void overwriteLoadedStateCollectionValue(String propertyName,
                                                PersistentCollection collection)

指定者:

overwriteLoadedStateCollectionValue 在接口中 EntityEntry

requiresDirtyCheck

public boolean requiresDirtyCheck(Object entity)

从接口复制的说明: EntityEntry

Not sure this is the best method name, but the general idea here is to return true if the entity can possibly be dirty. This can only be the case if it is in a modifiable state (not read-only/deleted) and it either has mutable properties or field-interception is not telling us it is dirty. Clear as mud? :/ A name like canPossiblyBeDirty might be better

指定者:

requiresDirtyCheck 在接口中 EntityEntry

参数:

entity - The entity to test

返回:

true indicates that the entity could possibly be dirty and that dirty check should happen; false indicates there is no way the entity can be dirty

isModifiableEntity

public boolean isModifiableEntity()

从接口复制的说明: EntityEntry

Can the entity be modified? The entity is modifiable if all of the following are true:

• the entity class is mutable
• the entity is not read-only
• if the current status is Status.DELETED, then the entity was not read-only when it was deleted

指定者:

isModifiableEntity 在接口中 EntityEntry

返回:

true, if the entity is modifiable; false, otherwise,

forceLocked

public void forceLocked(Object entity,
                        Object nextVersion)

指定者:

forceLocked 在接口中 EntityEntry

isReadOnly

public boolean isReadOnly()

指定者:

isReadOnly 在接口中 EntityEntry

setReadOnly

public void setReadOnly(boolean readOnly,
                        Object entity)

指定者:

setReadOnly 在接口中 EntityEntry

toString

public String toString()

指定者:

toString 在接口中 EntityEntry

覆盖:

toString 在类中 Object

serialize

public void serialize(ObjectOutputStream oos)
               throws IOException

从接口复制的说明: EntityEntry

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

指定者:

serialize 在接口中 EntityEntry

参数:

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

抛出:

IOException - If a stream error occurs

addExtraState

public void addExtraState(EntityEntryExtraState extraState)

指定者:

addExtraState 在接口中 EntityEntry

getExtraState

public <T extends EntityEntryExtraState> T getExtraState(Class<T> extraStateType)

指定者:

getExtraState 在接口中 EntityEntry

getPersistenceContext

public PersistenceContext getPersistenceContext()

setCompressedValue

protected <E extends Enum<E>> void setCompressedValue(AbstractEntityEntry.EnumState<E> state,
                                                      E value)

Saves the value for the given enum property.

参数:

state - identifies the value to store

value - the value to store; The caller must make sure that it matches the given identifier

getCompressedValue

protected <E extends Enum<E>> E getCompressedValue(AbstractEntityEntry.EnumState<E> state)

Gets the current value of the given enum property.

参数:

state - identifies the value to store

返回:

the current value of the specified property

setCompressedValue

protected void setCompressedValue(AbstractEntityEntry.BooleanState state,
                                  boolean value)

Saves the value for the given boolean flag.

参数:

state - identifies the value to store

value - the value to store

getCompressedValue

protected boolean getCompressedValue(AbstractEntityEntry.BooleanState state)

Gets the current value of the given boolean flag.

参数:

state - identifies the value to store

返回:

the current value of the specified flag