eu.vaadinonkotlin.vaadin8.jpa

Class PersistenceContext

eu.vaadinonkotlin.vaadin8.jpa.PersistenceContext

public class PersistenceContext

Provides access to a single JDBC connection and its EntityManager, and several utility methods.

The DBKt.db function executes block in context of this class.

See Also:

DBKt.db

Constructor Summary

Constructors

Constructor and Description
PersistenceContext(javax.persistence.EntityManager em) Provides access to a single JDBC connection and its EntityManager, and several utility methods.

Method Summary

Modifier and Type	Method and Description
void	close()
java.sql.Connection	getConnection() The underlying JDBC connection.
javax.persistence.EntityManager	getEm() the entity manager reference
org.hibernate.internal.SessionImpl	getSession() Hibernate session; you can e.g. create a criteria query from this session: https://docs.jboss.org/hibernate/orm/3.3/reference/en/html/querycriteria.html

Constructor Detail

PersistenceContext

public PersistenceContext(javax.persistence.EntityManager em)

Provides access to a single JDBC connection and its EntityManager, and several utility methods.

The DBKt.db function executes block in context of this class.

Parameters:

em - the entity manager reference

See Also:

DBKt.db

Method Detail

getConnection

public java.sql.Connection getConnection()

The underlying JDBC connection.

getSession

public org.hibernate.internal.SessionImpl getSession()

Hibernate session; you can e.g. create a criteria query from this session: https://docs.jboss.org/hibernate/orm/3.3/reference/en/html/querycriteria.html

close

public void close()

getEm

public javax.persistence.EntityManager getEm()

the entity manager reference