Persistence (Java EE 5 SDK)

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摘要: 嵌套 | 字段 | 构造器 | 方法	详细信息: 字段 | 构造器 | 方法

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javax.persistence Class Persistence

java.lang.Object
  javax.persistence.Persistence

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public class Persistence

extends Object

Bootstrap class that is used to obtain an EntityManagerFactory.

从以下版本开始:

Java Persistence 1.0

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字段摘要
static String	PERSISTENCE_PROVIDER
protected static Set<PersistenceProvider>	providers

 

构造器摘要
Persistence()

 

方法摘要
static EntityManagerFactory	createEntityManagerFactory(String persistenceUnitName)           Create and return an EntityManagerFactory for the named persistence unit.
static EntityManagerFactory	createEntityManagerFactory(String persistenceUnitName, Map properties)           Create and return an EntityManagerFactory for the named persistence unit using the given properties.

 

类方法继承 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

字段详细信息

PERSISTENCE_PROVIDER

public static final String PERSISTENCE_PROVIDER

另请参见:

常量字段

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providers

protected static final Set<PersistenceProvider> providers

构造器详细信息

Persistence

public Persistence()

方法详细信息

createEntityManagerFactory

public static EntityManagerFactory createEntityManagerFactory(String persistenceUnitName)

Create and return an EntityManagerFactory for the named persistence unit.

参数:

persistenceUnitName - The name of the persistence unit

返回:

The factory that creates EntityManagers configured according to the specified persistence unit

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createEntityManagerFactory

public static EntityManagerFactory createEntityManagerFactory(String persistenceUnitName,
                                                              Map properties)

Create and return an EntityManagerFactory for the named persistence unit using the given properties.

参数:

persistenceUnitName - The name of the persistence unit

properties - Additional properties to use when creating the factory. The values of these properties override any values that may have been configured elsewhere.

返回:

The factory that creates EntityManagers configured according to the specified persistence unit.

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概述  软件包   类  树  已过时  索引  帮助		Java EE 5 SDK 深圳电信培训中心.徐海蛟老师.
上一个类   下一个类	框架    无框架
摘要: 嵌套 | 字段 | 构造器 | 方法	详细信息: 字段 | 构造器 | 方法

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