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Albert Guojunyuo@gmail.com
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Persistence.xml
Persistence
EntityManagerFactory
Query
EntityManager
Transaction
persist()find()merge()delete()
persist()find()merge()delete()
EntityManagerFactoryBeanEntityManagerFactoryBean
JpaTemplateJpaTemplate
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EntityManagerFactoryBeanEntityManagerFactoryBean
JpaDaoSupportJpaDaoSupport
JpaTemplateJpaTemplate
Injected into
DepartmentDAO IDepartmentDAO
extends
implements
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entityManagerFactor
transactionManager
Inject into
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entityManagerFactor
DepartmentDAO
Inject into
JPAServiceBean
Inject into
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Jpatest.rar
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