org.apache.ambari.server.orm

Class GuiceJpaInitializer

java.lang.Object

org.apache.ambari.server.orm.GuiceJpaInitializer

public class GuiceJpaInitializer
extends Object

This class needs to be instantiated with Guice to initialize Guice-persist

Constructor Summary

Constructors

Constructor and Description
GuiceJpaInitializer(com.google.inject.persist.PersistService service, AmbariEventPublisher publisher) GuiceJpaInitializer constructor.

Method Summary

Modifier and Type	Method and Description
void	setInitialized() Called to indicate that the JPA service is initialized and ready for use.

Methods inherited from class java.lang.Object

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

Constructor Detail

GuiceJpaInitializer

@Inject
public GuiceJpaInitializer(com.google.inject.persist.PersistService service,
                                   AmbariEventPublisher publisher)

GuiceJpaInitializer constructor.

Starts the JPA service and holds on to an AmbariEventPublisher for future use.

Parameters:

service - the persist service

publisher - the Ambari event publisher

Method Detail

setInitialized

public void setInitialized()

Called to indicate that the JPA service is initialized and ready for use.

This means that the schema for the underlying database matches the JPA entity objects expectations and the PersistService has been started.

A JpaInitializedEvent is published so that subscribers can perform database-related tasks when the infrastructure is ready.