/*
 * Copyright (c) 2007, 2024, Oracle and/or its affiliates.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2.0, as published by
 * the Free Software Foundation.
 *
 * This program is designed to work with certain software that is licensed under separate terms, as designated in a particular file or component or in
 * included license documentation. The authors of MySQL hereby grant you an additional permission to link the program and your derivative works with the
 * separately licensed software that they have either included with the program or referenced in the documentation.
 *
 * Without limiting anything contained in the foregoing, this file, which is part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
 * version 1.0, a copy of which can be found at http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * 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 General Public License, version 2.0, for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

package com.mysql.cj.jdbc.ha;

import java.sql.SQLException;

import com.mysql.cj.Messages;
import com.mysql.cj.exceptions.MysqlErrorNumbers;
import com.mysql.cj.jdbc.exceptions.SQLError;

public class LoadBalancedMySQLConnection extends MultiHostMySQLConnection implements LoadBalancedConnection {

    public LoadBalancedMySQLConnection(LoadBalancedConnectionProxy proxy) {
        super(proxy);
    }

    @Override
    public LoadBalancedConnectionProxy getThisAsProxy() {
        return (LoadBalancedConnectionProxy) super.getThisAsProxy();
    }

    @Override
    public void close() throws SQLException {
        getThisAsProxy().doClose();
    }

    @Override
    public void ping() throws SQLException {
        ping(true);
    }

    @Override
    public void ping(boolean allConnections) throws SQLException {
        if (allConnections) {
            getThisAsProxy().doPing();
        } else {
            getActiveMySQLConnection().ping();
        }
    }

    @Override
    public boolean addHost(String host) throws SQLException {
        return getThisAsProxy().addHost(host);
    }

    @Override
    public void removeHost(String host) throws SQLException {
        getThisAsProxy().removeHost(host);
    }

    @Override
    public void removeHostWhenNotInUse(String host) throws SQLException {
        getThisAsProxy().removeHostWhenNotInUse(host);
    }

    @Override
    public boolean isWrapperFor(Class<?> iface) throws SQLException {
        // This works for classes that aren't actually wrapping anything
        return iface.isInstance(this);
    }

    @Override
    public <T> T unwrap(java.lang.Class<T> iface) throws java.sql.SQLException {
        try {
            // This works for classes that aren't actually wrapping anything
            return iface.cast(this);
        } catch (ClassCastException cce) {
            throw SQLError.createSQLException(Messages.getString("Common.UnableToUnwrap", new Object[] { iface.toString() }),
                    MysqlErrorNumbers.SQLSTATE_CONNJ_ILLEGAL_ARGUMENT, getExceptionInterceptor());
        }
    }

}
