org.jberet.support.io

Class JpaItemReaderWriterBase

java.lang.Object

org.jberet.support.io.JpaItemReaderWriterBase

Direct Known Subclasses:

JpaItemReader, JpaItemWriter

public abstract class JpaItemReaderWriterBase
extends Object

The base class for JpaItemWriter and JpaItemReader.

Since:

1.3.0

See Also:

JpaItemReader, JpaItemWriter

Field Summary

Fields

Modifier and Type	Field and Description
protected javax.persistence.EntityManager	em
protected javax.persistence.EntityManagerFactory	emf
protected javax.enterprise.inject.Instance<javax.persistence.EntityManager>	entityManagerInstance javax.enterprise.inject.Instance that holds optional injection of EntityManager.
protected String	entityManagerLookupName JNDI lookup name of EntityManager.
protected String	persistenceUnitName Persistence unit name.
protected Map	persistenceUnitProperties Persistence unit properties, as a list of key-value pairs separated by comma (,).

Constructor Summary

Constructors

Constructor and Description
JpaItemReaderWriterBase()

Method Summary

Modifier and Type	Method and Description
protected void	closeEntityManager()
protected void	initEntityManager()
protected void	postConstruct()
protected void	preDestroy()

Methods inherited from class java.lang.Object

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

Field Detail

entityManagerInstance

@Inject
protected javax.enterprise.inject.Instance<javax.persistence.EntityManager> entityManagerInstance

javax.enterprise.inject.Instance that holds optional injection of EntityManager. If entityManagerLookupName is not specified, this field will be checked to obtain EntityManager.

entityManagerLookupName

@Inject
protected String entityManagerLookupName

JNDI lookup name of EntityManager. Optional property, and defaults to null. If specified, it will be used to perform a JNDI lookup of the EntityManager.

persistenceUnitName

@Inject
protected String persistenceUnitName

Persistence unit name. Optional property and defaults to null. If neither entityManagerLookupName nor entityManagerInstance is initialized with injected value, this persistence unit name will be used to create and EntityManager.

persistenceUnitProperties

@Inject
protected Map persistenceUnitProperties

Persistence unit properties, as a list of key-value pairs separated by comma (,). Optional property and defaults to null.

emf

protected javax.persistence.EntityManagerFactory emf

em

protected javax.persistence.EntityManager em

Constructor Detail

JpaItemReaderWriterBase

public JpaItemReaderWriterBase()

Method Detail

postConstruct

@PostConstruct
protected void postConstruct()

preDestroy

@PreDestroy
protected void preDestroy()

initEntityManager

protected void initEntityManager()

closeEntityManager

protected void closeEntityManager()