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Hibernate (Hibernate API Documentation) - Hibernate 2.1.8 正式版 API 英文文档

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net.sf.hibernate
Class Hibernate

java.lang.Object
  net.sf.hibernate.Hibernate

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public final class Hibernate

extends Object

• Provides access to the full range of Hibernate built-in types. Type instances may be used to bind values to query parameters.
• A factory for new Blobs and Clobs.
• Defines static methods for manipulation of proxies.

Author:

Gavin King

See Also:

Clob, Blob, Type

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Field Summary
static NullableType	BIG_DECIMAL           Hibernate big_decimal type.
static NullableType	BINARY           Hibernate binary type.
static NullableType	BLOB           Hibernate blob type.
static NullableType	BOOLEAN           Hibernate boolean type.
static NullableType	BYTE           Hibernate byte type.
static NullableType	CALENDAR           Hibernate calendar type.
static NullableType	CALENDAR_DATE           Hibernate calendar_date type.
static NullableType	CHARACTER           Hibernate character type.
static NullableType	CLASS           Hibernate class type.
static NullableType	CLOB           Hibernate clob type.
static NullableType	CURRENCY           Hibernate currency type.
static NullableType	DATE           Hibernate date type.
static NullableType	DOUBLE           Hibernate double type.
static NullableType	FLOAT           Hibernate float type.
static NullableType	INTEGER           Hibernate integer type.
static NullableType	LOCALE           Hibernate locale type.
static NullableType	LONG           Hibernate long type.
static Type	OBJECT           Hibernate object type.
static NullableType	SERIALIZABLE           Hibernate serializable type.
static NullableType	SHORT           Hibernate short type.
static NullableType	STRING           Hibernate string type.
static NullableType	TEXT           Hibernate text type.
static NullableType	TIME           Hibernate time type.
static NullableType	TIMESTAMP           Hibernate timestamp type.
static NullableType	TIMEZONE           Hibernate timezone type.
static NullableType	TRUE_FALSE           Hibernate true_false type.
static NullableType	YES_NO           Hibernate yes_no type.

 

Method Summary
static Type	any(Type metaType, Type identifierType)           A Hibernate any type.
static Type	association(Class persistentClass)           Deprecated. use Hibernate.entity()
static void	close(Iterator iterator)           Close an Iterator created by iterate() immediately, instead of waiting until the session is closed or disconnected.
static Blob	createBlob(byte[] bytes)           Create a new Blob.
static Blob	createBlob(InputStream stream)           Create a new Blob.
static Blob	createBlob(InputStream stream, int length)           Create a new Blob.
static Clob	createClob(Reader reader, int length)           Create a new Clob.
static Clob	createClob(String string)           Create a new Clob.
static Type	custom(Class userTypeClass)           A Hibernate custom type.
static Type	entity(Class persistentClass)           A Hibernate persistent object (entity) type.
static Type	enum(Class enumClass)           Deprecated. Support for PersistentEnums will be removed in 2.2
static Class	getClass(Object proxy)           Get the true, underlying class of a proxied persistent class.
static void	initialize(Object proxy)           Force initialization of a proxy or persistent collection.
static boolean	isInitialized(Object proxy)           Chekc if the proxy or persistent collection is initialized.
static Type	serializable(Class serializableClass)           A Hibernate serializable type.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

LONG

public static final NullableType LONG

Hibernate long type.

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SHORT

public static final NullableType SHORT

Hibernate short type.

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INTEGER

public static final NullableType INTEGER

Hibernate integer type.

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BYTE

public static final NullableType BYTE

Hibernate byte type.

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FLOAT

public static final NullableType FLOAT

Hibernate float type.

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DOUBLE

public static final NullableType DOUBLE

Hibernate double type.

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CHARACTER

public static final NullableType CHARACTER

Hibernate character type.

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STRING

public static final NullableType STRING

Hibernate string type.

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TIME

public static final NullableType TIME

Hibernate time type.

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DATE

public static final NullableType DATE

Hibernate date type.

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TIMESTAMP

public static final NullableType TIMESTAMP

Hibernate timestamp type.

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BOOLEAN

public static final NullableType BOOLEAN

Hibernate boolean type.

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TRUE_FALSE

public static final NullableType TRUE_FALSE

Hibernate true_false type.

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YES_NO

public static final NullableType YES_NO

Hibernate yes_no type.

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BIG_DECIMAL

public static final NullableType BIG_DECIMAL

Hibernate big_decimal type.

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BINARY

public static final NullableType BINARY

Hibernate binary type.

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TEXT

public static final NullableType TEXT

Hibernate text type.

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BLOB

public static final NullableType BLOB

Hibernate blob type.

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CLOB

public static final NullableType CLOB

Hibernate clob type.

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CALENDAR

public static final NullableType CALENDAR

Hibernate calendar type.

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CALENDAR_DATE

public static final NullableType CALENDAR_DATE

Hibernate calendar_date type.

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LOCALE

public static final NullableType LOCALE

Hibernate locale type.

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CURRENCY

public static final NullableType CURRENCY

Hibernate currency type.

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TIMEZONE

public static final NullableType TIMEZONE

Hibernate timezone type.

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CLASS

public static final NullableType CLASS

Hibernate class type.

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SERIALIZABLE

public static final NullableType SERIALIZABLE

Hibernate serializable type.

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OBJECT

public static final Type OBJECT

Hibernate object type.

Method Detail

enum

public static Type enum(Class enumClass)
                 throws MappingException

Deprecated. Support for PersistentEnums will be removed in 2.2

A Hibernate persistent enum type.

Throws:

MappingException

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serializable

public static Type serializable(Class serializableClass)

A Hibernate serializable type.

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any

public static Type any(Type metaType,
                       Type identifierType)

A Hibernate any type.

Parameters:

metaType - a type mapping java.lang.Class to a single column

identifierType - the entity identifier type

Returns:

the Type

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association

public static Type association(Class persistentClass)

Deprecated. use Hibernate.entity()

A Hibernate persistent object (entity) type.

Parameters:

persistentClass - a mapped entity class

Returns:

the Type

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entity

public static Type entity(Class persistentClass)

A Hibernate persistent object (entity) type.

Parameters:

persistentClass - a mapped entity class

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custom

public static Type custom(Class userTypeClass)
                   throws HibernateException

A Hibernate custom type.

Parameters:

userTypeClass - a class that implements UserType

Throws:

HibernateException

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initialize

public static void initialize(Object proxy)
                       throws HibernateException

Force initialization of a proxy or persistent collection.

Parameters:

proxy - a persistable object, proxy, persistent collection or null

Throws:

HibernateException - if we can't initialize the proxy at this time, eg. the Session was closed

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isInitialized

public static boolean isInitialized(Object proxy)

Chekc if the proxy or persistent collection is initialized.

Parameters:

proxy - a persistable object, proxy, persistent collection or null

Returns:

true if the argument is already initialized, or is not a proxy or collection

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getClass

public static Class getClass(Object proxy)

Get the true, underlying class of a proxied persistent class. This operation will initialize a proxy by side-effect.

Parameters:

proxy - a persistable object or proxy

Returns:

the true class of the instance

Throws:

HibernateException

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createBlob

public static Blob createBlob(byte[] bytes)

Create a new Blob. The returned object will be initially immutable.

Parameters:

bytes - a byte array

Returns:

the Blob

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createBlob

public static Blob createBlob(InputStream stream,
                              int length)

Create a new Blob. The returned object will be initially immutable.

Parameters:

stream - a binary stream

length - the number of bytes in the stream

Returns:

the Blob

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createBlob

public static Blob createBlob(InputStream stream)
                       throws IOException

Create a new Blob. The returned object will be initially immutable.

Parameters:

stream - a binary stream

Returns:

the Blob

Throws:

IOException

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createClob

public static Clob createClob(String string)

Create a new Clob. The returned object will be initially immutable.

Parameters:

string - a String

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createClob

public static Clob createClob(Reader reader,
                              int length)

Create a new Clob. The returned object will be initially immutable.

Parameters:

reader - a character stream

length - the number of characters in the stream

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close

public static void close(Iterator iterator)
                  throws HibernateException

Close an Iterator created by iterate() immediately, instead of waiting until the session is closed or disconnected.

Parameters:

iterator - an Iterator created by iterate()

Throws:

HibernateException

See Also:

Session.iterate(java.lang.String), Query.iterate()

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