org.hibernate.engine.jdbc.connections.internal.MultiTenantConnectionProviderInitiator Maven / Gradle / Ivy
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JPMS Module-Info's for a few of the Jakarta Libraries just until they add them in themselves
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.engine.jdbc.connections.internal;
import java.util.Map;
import org.hibernate.MultiTenancyStrategy;
import org.hibernate.boot.registry.StandardServiceInitiator;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.boot.registry.classloading.spi.ClassLoadingException;
import org.hibernate.cfg.AvailableSettings;
import org.hibernate.engine.jdbc.connections.spi.DataSourceBasedMultiTenantConnectionProviderImpl;
import org.hibernate.engine.jdbc.connections.spi.MultiTenantConnectionProvider;
import org.hibernate.service.spi.ServiceException;
import org.hibernate.service.spi.ServiceRegistryImplementor;
import org.jboss.logging.Logger;
/**
* A service initiator for the MultiTenantConnectionProvider service
*
* @author Steve Ebersole
*/
public class MultiTenantConnectionProviderInitiator implements StandardServiceInitiator {
private static final Logger log = Logger.getLogger( MultiTenantConnectionProviderInitiator.class );
/**
* Singleton access
*/
public static final MultiTenantConnectionProviderInitiator INSTANCE = new MultiTenantConnectionProviderInitiator();
@Override
public Class getServiceInitiated() {
return MultiTenantConnectionProvider.class;
}
@Override
@SuppressWarnings( {"unchecked"})
public MultiTenantConnectionProvider initiateService(Map configurationValues, ServiceRegistryImplementor registry) {
final MultiTenancyStrategy strategy = MultiTenancyStrategy.determineMultiTenancyStrategy( configurationValues );
if ( !strategy.requiresMultiTenantConnectionProvider() ) {
// nothing to do, but given the separate hierarchies have to handle this here.
return null;
}
final Object configValue = configurationValues.get( AvailableSettings.MULTI_TENANT_CONNECTION_PROVIDER );
if ( configValue == null ) {
// if they also specified the data source *name*, then lets assume they want
// DataSourceBasedMultiTenantConnectionProviderImpl
final Object dataSourceConfigValue = configurationValues.get( AvailableSettings.DATASOURCE );
if ( dataSourceConfigValue != null && String.class.isInstance( dataSourceConfigValue ) ) {
return new DataSourceBasedMultiTenantConnectionProviderImpl();
}
return null;
}
if ( MultiTenantConnectionProvider.class.isInstance( configValue ) ) {
return (MultiTenantConnectionProvider) configValue;
}
else {
final Class implClass;
if ( Class.class.isInstance( configValue ) ) {
implClass = (Class) configValue;
}
else {
final String className = configValue.toString();
final ClassLoaderService classLoaderService = registry.getService( ClassLoaderService.class );
try {
implClass = classLoaderService.classForName( className );
}
catch (ClassLoadingException cle) {
log.warn( "Unable to locate specified class [" + className + "]", cle );
throw new ServiceException( "Unable to locate specified multi-tenant connection provider [" + className + "]" );
}
}
try {
return implClass.newInstance();
}
catch (Exception e) {
log.warn( "Unable to instantiate specified class [" + implClass.getName() + "]", e );
throw new ServiceException( "Unable to instantiate specified multi-tenant connection provider [" + implClass.getName() + "]" );
}
}
}
}