/*
* 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.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.map.MapDatastore;
import org.hibernate.ogm.datastore.map.impl.MapDatastoreProvider;
import org.hibernate.ogm.datastore.map.impl.MapDialect;
import org.hibernate.ogm.datastore.spi.DatastoreProvider;
import org.hibernate.ogm.dialect.spi.GridDialect;
import org.hibernate.ogm.model.key.spi.AssociationKey;
import org.hibernate.ogm.model.key.spi.EntityKey;
import org.hibernate.ogm.model.key.spi.RowKey;
import org.hibernate.ogm.options.navigation.GlobalContext;
/**
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2011 Red Hat Inc.
*/
public class HashMapTestHelper implements TestableGridDialect {
@Override
public long getNumberOfEntities(SessionFactory sessionFactory) {
return getEntityMap( sessionFactory ).size();
}
@Override
public long getNumberOfAssociations(SessionFactory sessionFactory) {
return getAssociationCache( sessionFactory ).size();
}
@Override
public Map<String, Object> extractEntityTuple(SessionFactory sessionFactory, EntityKey key) {
return getEntityMap( sessionFactory ).get( key );
}
private static Map<EntityKey, Map<String, Object>> getEntityMap(SessionFactory sessionFactory) {
MapDatastoreProvider castProvider = getProvider( sessionFactory );
return castProvider.getEntityMap();
}
private static MapDatastoreProvider getProvider(SessionFactory sessionFactory) {
DatastoreProvider provider = ( (SessionFactoryImplementor) sessionFactory ).getServiceRegistry().getService( DatastoreProvider.class );
if ( !( MapDatastoreProvider.class.isInstance( provider ) ) ) {
throw new RuntimeException( "Not testing with MapDatastoreProvider, cannot extract underlying map" );
}
return MapDatastoreProvider.class.cast( provider );
}
private static Map<AssociationKey, Map<RowKey, Map<String, Object>>> getAssociationCache( SessionFactory sessionFactory) {
MapDatastoreProvider castProvider = getProvider( sessionFactory );
return castProvider.getAssociationsMap();
}
@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( MapDatastore.class );
}
@Override
public GridDialect getGridDialect(DatastoreProvider datastoreProvider) {
return new MapDialect( (MapDatastoreProvider) datastoreProvider );
}
}