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public interface EntityManagerSource
Responsible for creating an EntityManager as needed.
Method Summary | |
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javax.persistence.EntityManager |
create(java.lang.String persistenceUnitName)
Creates an EntityManager for the given persistence unit name. |
javax.persistence.EntityManagerFactory |
getEntityManagerFactory(java.lang.String persistenceUnitName)
Gets the EntityManagerFactory for the given persistence unit name, creating it as necessary. |
java.util.List<javax.persistence.spi.PersistenceUnitInfo> |
getPersistenceUnitInfos()
Get the list of PersistenceUnitInfo parsed from persistence.xml |
Method Detail |
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javax.persistence.EntityManager create(java.lang.String persistenceUnitName)
EntityManager
for the given persistence unit name.
persistenceUnitName
- the name of a persistence unit as defined in persistence.xml
- Returns:
- EntityManager for the given persistence unit name
javax.persistence.EntityManagerFactory getEntityManagerFactory(java.lang.String persistenceUnitName)
EntityManagerFactory
for the given persistence unit name, creating it as necessary.
persistenceUnitName
- the name of a persistence unit as defined in persistence.xml
- Returns:
- EntityManagerFactory for the given persistence unit name
java.util.List<javax.persistence.spi.PersistenceUnitInfo> getPersistenceUnitInfos()
persistence.xml.
- Returns:
- list of PersistenceUnitInfos
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