org.hibernate.service.jdbc.connections.internal.UserSuppliedConnectionProviderImpl Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, 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.service.jdbc.connections.internal;
import java.sql.Connection;
import java.sql.SQLException;
import org.hibernate.service.UnknownUnwrapTypeException;
import org.hibernate.service.jdbc.connections.spi.ConnectionProvider;
/**
* An implementation of the {@link ConnectionProvider} interface that simply throws an exception when a connection
* is requested, the assumption being that the application is responsible for handing the connection to use to
* the session
*
* @author Gavin King
* @author Steve Ebersole
*/
public class UserSuppliedConnectionProviderImpl implements ConnectionProvider {
@Override
public boolean isUnwrappableAs(Class unwrapType) {
return ConnectionProvider.class.equals( unwrapType ) ||
UserSuppliedConnectionProviderImpl.class.isAssignableFrom( unwrapType );
}
@Override
@SuppressWarnings( {"unchecked"})
public T unwrap(Class unwrapType) {
if ( ConnectionProvider.class.equals( unwrapType ) ||
UserSuppliedConnectionProviderImpl.class.isAssignableFrom( unwrapType ) ) {
return (T) this;
}
else {
throw new UnknownUnwrapTypeException( unwrapType );
}
}
/**
* {@inheritDoc}
*/
public Connection getConnection() throws SQLException {
throw new UnsupportedOperationException( "The application must supply JDBC connections" );
}
/**
* {@inheritDoc}
*/
public void closeConnection(Connection conn) throws SQLException {
throw new UnsupportedOperationException( "The application must supply JDBC connections" );
}
/**
* {@inheritDoc}
*/
public boolean supportsAggressiveRelease() {
return false;
}
}