/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2012, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.engine.jdbc.connections.spi;
import java.sql.Connection;
import java.sql.SQLException;
import javax.sql.DataSource;
import org.hibernate.service.UnknownUnwrapTypeException;
/**
* Basic support for implementations of {@link MultiTenantConnectionProvider} based on DataSources.
* @author Steve Ebersole
*/
public abstract class AbstractDataSourceBasedMultiTenantConnectionProviderImpl implements MultiTenantConnectionProvider {
protected abstract DataSource selectAnyDataSource();
protected abstract DataSource selectDataSource(String tenantIdentifier);
@Override
public Connection getAnyConnection() throws SQLException {
return selectAnyDataSource().getConnection();
}
@Override
public void releaseAnyConnection(Connection connection) throws SQLException {
connection.close();
}
@Override
public Connection getConnection(String tenantIdentifier) throws SQLException {
return selectDataSource( tenantIdentifier ).getConnection();
}
@Override
public void releaseConnection(String tenantIdentifier, Connection connection) throws SQLException {
connection.close();
}
@Override
public boolean supportsAggressiveRelease() {
return true;
}
@Override
public boolean isUnwrappableAs(Class unwrapType) {
return MultiTenantConnectionProvider.class.equals( unwrapType ) ||
AbstractMultiTenantConnectionProvider.class.isAssignableFrom( unwrapType );
}
@Override
@SuppressWarnings( {"unchecked"})
public <T> T unwrap(Class<T> unwrapType) {
if ( isUnwrappableAs( unwrapType ) ) {
return (T) this;
}
else {
throw new UnknownUnwrapTypeException( unwrapType );
}
}
}