org.hibernate.engine.jdbc.connections.spi.AbstractMultiTenantConnectionProvider Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, 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 org.hibernate.service.UnknownUnwrapTypeException;
/**
* Basic support for {@link MultiTenantConnectionProvider} implementations using
* individual {@link ConnectionProvider} instances per tenant behind the scenes.
*
* @author Steve Ebersole
*/
public abstract class AbstractMultiTenantConnectionProvider implements MultiTenantConnectionProvider {
protected abstract ConnectionProvider getAnyConnectionProvider();
protected abstract ConnectionProvider selectConnectionProvider(String tenantIdentifier);
@Override
public Connection getAnyConnection() throws SQLException {
return getAnyConnectionProvider().getConnection();
}
@Override
public void releaseAnyConnection(Connection connection) throws SQLException {
getAnyConnectionProvider().closeConnection( connection );
}
@Override
public Connection getConnection(String tenantIdentifier) throws SQLException {
return selectConnectionProvider( tenantIdentifier ).getConnection();
}
@Override
public void releaseConnection(String tenantIdentifier, Connection connection) throws SQLException {
selectConnectionProvider( tenantIdentifier ).closeConnection( connection );
}
@Override
public boolean supportsAggressiveRelease() {
return getAnyConnectionProvider().supportsAggressiveRelease();
}
@Override
public boolean isUnwrappableAs(Class unwrapType) {
return ConnectionProvider.class.equals( unwrapType ) ||
MultiTenantConnectionProvider.class.equals( unwrapType ) ||
AbstractMultiTenantConnectionProvider.class.isAssignableFrom( unwrapType );
}
@Override
@SuppressWarnings( {"unchecked"})
public T unwrap(Class unwrapType) {
if ( isUnwrappableAs( unwrapType ) ) {
return (T) this;
}
else {
throw new UnknownUnwrapTypeException( unwrapType );
}
}
}