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Java Source Code / Java Documentation » J2EE » spring framework 2.5 » org.springframework.orm.jpa 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.springframework.orm.jpa.AbstractEntityManagerFactoryBean
      org.springframework.orm.jpa.LocalEntityManagerFactoryBean

LocalEntityManagerFactoryBean
public class LocalEntityManagerFactoryBean extends AbstractEntityManagerFactoryBean (Code)
org.springframework.beans.factory.FactoryBean that creates a JPA javax.persistence.EntityManagerFactory according to JPA's standard standalone bootstrap contract. This is the simplest way to set up a shared JPA EntityManagerFactory in a Spring application context; the EntityManagerFactory can then be passed to JPA-based DAOs via dependency injection. Note that switching to a JNDI lookup or to a org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean definition is just a matter of configuration!

Configuration settings are usually read from a META-INF/persistence.xml config file, residing in the class path, according to the JPA standalone bootstrap contract. Additionally, most JPA providers will require a special VM agent (specified on JVM startup) that allows them to instrument application classes. See the Java Persistence API specification and your provider documentation for setup details.

This EntityManagerFactory bootstrap is appropriate for standalone applications which solely use JPA for data access. If you want to set up your persistence provider for an external DataSource and/or for global transactions which span multiple resources, you will need to either deploy it into a full Java EE 5 application server and access the deployed EntityManagerFactory via JNDI, or use Spring's LocalContainerEntityManagerFactoryBean with appropriate configuration for local setup according to JPA's container contract.

Note: This FactoryBean has limited configuration power in terms of what configuration it is able to pass to the JPA provider. If you need more flexible configuration, for example passing a Spring-managed JDBC DataSource to the JPA provider, consider using Spring's more powerful LocalContainerEntityManagerFactoryBean instead.
author:
   Juergen Hoeller
author:
   Rod Johnson
since:
   2.0
See Also:   LocalEntityManagerFactoryBean.setJpaProperties
See Also:   LocalEntityManagerFactoryBean.setJpaVendorAdapter
See Also:   JpaTemplate.setEntityManagerFactory
See Also:   JpaTransactionManager.setEntityManagerFactory
See Also:   LocalContainerEntityManagerFactoryBean
See Also:   org.springframework.jndi.JndiObjectFactoryBean
See Also:   org.springframework.orm.jpa.support.SharedEntityManagerBean
See Also:   javax.persistence.Persistence.createEntityManagerFactory
See Also:   javax.persistence.spi.PersistenceProvider.createEntityManagerFactory





Method Summary
protected  EntityManagerFactorycreateNativeEntityManagerFactory()
     Initialize the EntityManagerFactory for the given configuration.



Method Detail
createNativeEntityManagerFactory
protected EntityManagerFactory createNativeEntityManagerFactory() throws PersistenceException(Code)
Initialize the EntityManagerFactory for the given configuration.
throws:
  javax.persistence.PersistenceException - in case of JPA initialization errors



Fields inherited from org.springframework.orm.jpa.AbstractEntityManagerFactoryBean
final protected Log logger(Code)(Java Doc)
public EntityManagerFactory nativeEntityManagerFactory(Code)(Java Doc)

Methods inherited from org.springframework.orm.jpa.AbstractEntityManagerFactoryBean
final public void afterPropertiesSet() throws PersistenceException(Code)(Java Doc)
protected EntityManagerFactory createEntityManagerFactoryProxy(EntityManagerFactory emf)(Code)(Java Doc)
abstract protected EntityManagerFactory createNativeEntityManagerFactory() throws PersistenceException(Code)(Java Doc)
public void destroy()(Code)(Java Doc)
public DataSource getDataSource()(Code)(Java Doc)
public Class<? extends EntityManager> getEntityManagerInterface()(Code)(Java Doc)
public JpaDialect getJpaDialect()(Code)(Java Doc)
public Map getJpaPropertyMap()(Code)(Java Doc)
public EntityManagerFactory getNativeEntityManagerFactory()(Code)(Java Doc)
public EntityManagerFactory getObject()(Code)(Java Doc)
public Class getObjectType()(Code)(Java Doc)
public PersistenceProvider getPersistenceProvider()(Code)(Java Doc)
public PersistenceUnitInfo getPersistenceUnitInfo()(Code)(Java Doc)
public String getPersistenceUnitName()(Code)(Java Doc)
public boolean isSingleton()(Code)(Java Doc)
public void setEntityManagerInterface(Class<? extends EntityManager> entityManagerInterface)(Code)(Java Doc)
public void setJpaDialect(JpaDialect jpaDialect)(Code)(Java Doc)
public void setJpaProperties(Properties jpaProperties)(Code)(Java Doc)
public void setJpaPropertyMap(Map jpaProperties)(Code)(Java Doc)
public void setJpaVendorAdapter(JpaVendorAdapter jpaVendorAdapter)(Code)(Java Doc)
public void setPersistenceProvider(PersistenceProvider persistenceProvider)(Code)(Java Doc)
public void setPersistenceProviderClass(Class<? extends PersistenceProvider> persistenceProviderClass)(Code)(Java Doc)
public void setPersistenceUnitName(String persistenceUnitName)(Code)(Java Doc)
public DataAccessException translateExceptionIfPossible(RuntimeException ex)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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