/*
* Hibernate OGM, Domain model persistence for NoSQL datastores
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.ogm.datastore.ehcache.utils;
import java.util.Map;
import org.hibernate.SessionFactory;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.ogm.cfg.OgmConfiguration;
import org.hibernate.ogm.datastore.document.options.AssociationStorageType;
import org.hibernate.ogm.datastore.ehcache.Ehcache;
import org.hibernate.ogm.datastore.ehcache.EhcacheDialect;
import org.hibernate.ogm.datastore.ehcache.dialect.impl.SerializableEntityKey;
import org.hibernate.ogm.datastore.ehcache.impl.EhcacheDatastoreProvider;
import org.hibernate.ogm.datastore.spi.DatastoreProvider;
import org.hibernate.ogm.dialect.spi.GridDialect;
import org.hibernate.ogm.model.key.spi.EntityKey;
import org.hibernate.ogm.options.navigation.GlobalContext;
import org.hibernate.ogm.utils.TestableGridDialect;
/**
* @author Alex Snaps
*/
public class EhcacheTestHelper implements TestableGridDialect {
@Override
public long getNumberOfEntities(SessionFactory sessionFactory) {
return getProvider( sessionFactory ).getEntityCache().getSize();
}
@Override
public long getNumberOfAssociations(SessionFactory sessionFactory) {
return getProvider( sessionFactory ).getAssociationCache().getSize();
}
@Override
public Map<String,Object> extractEntityTuple(SessionFactory sessionFactory, EntityKey key) {
@SuppressWarnings("unchecked")
Map<String, Object> tuple = (Map<String, Object>) getProvider( sessionFactory )
.getEntityCache()
.get( new SerializableEntityKey( key ) )
.getObjectValue();
return tuple;
}
private static EhcacheDatastoreProvider getProvider(SessionFactory sessionFactory) {
DatastoreProvider provider = ( (SessionFactoryImplementor) sessionFactory ).getServiceRegistry()
.getService( DatastoreProvider.class );
if ( !( EhcacheDatastoreProvider.class.isInstance( provider ) ) ) {
throw new RuntimeException( "Not testing with Ehcache, cannot extract underlying cache" );
}
return EhcacheDatastoreProvider.class.cast( provider );
}
/**
* TODO - EHCache _is_ transactional. Turn this on. We could turn on XA or Local.
* Local will be faster. We will pick this up from the cache config.
*
* @return
*/
@Override
public boolean backendSupportsTransactions() {
return false;
}
@Override
public void dropSchemaAndDatabase(SessionFactory sessionFactory) {
//Nothing to do
}
@Override
public Map<String, String> getEnvironmentProperties() {
return null;
}
@Override
public long getNumberOfAssociations(SessionFactory sessionFactory, AssociationStorageType type) {
throw new UnsupportedOperationException( "This datastore does not support different association storage strategies." );
}
@Override
public GlobalContext<?, ?> configureDatastore(OgmConfiguration configuration) {
return configuration.configureOptionsFor( Ehcache.class );
}
@Override
public GridDialect getGridDialect(DatastoreProvider datastoreProvider) {
return new EhcacheDialect( (EhcacheDatastoreProvider) datastoreProvider );
}
}