package com.tesora.dve.db.mysql;

/*
 * #%L
 * Tesora Inc.
 * Database Virtualization Engine
 * %%
 * Copyright (C) 2011 - 2014 Tesora Inc.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

import com.tesora.dve.concurrent.CompletionHandle;
import com.tesora.dve.db.DBConnection;
import com.tesora.dve.db.mysql.common.DBTypeBasedUtils;
import com.tesora.dve.db.mysql.portal.protocol.MysqlGroupedPreparedStatementId;

import java.util.List;

import org.apache.log4j.Logger;

import com.tesora.dve.db.MysqlQueryResultConsumer;
import com.tesora.dve.db.mysql.libmy.MyParameter;
import com.tesora.dve.db.mysql.libmy.MyPreparedStatement;
import com.tesora.dve.server.messaging.SQLCommand;

public class MysqlStmtExecuteCommand extends MysqlExecuteCommand {

	static Logger logger = Logger.getLogger( MysqlStmtExecuteCommand.class );

	private MyPreparedStatement<MysqlGroupedPreparedStatementId> pstmt;
	private List<Object> params;
    private int preparedID;

    public MysqlStmtExecuteCommand(SQLCommand sql, DBConnection.Monitor monitor, MyPreparedStatement<MysqlGroupedPreparedStatementId> pstmt, int preparedID, List<Object> params,
                                   MysqlQueryResultConsumer resultConsumer, CompletionHandle<Boolean> promise) {
		super(sql, monitor, resultConsumer, promise);
		this.pstmt = pstmt;
        this.preparedID = preparedID;
		this.params = params;
        // Make sure the parameter types in the param metadata match the types of the objects in
        // the parameter values
        if (pstmt.getNumParams() > 0) {
            MyFieldType mft;
            for (int i = 0; i < params.size(); ++i) {
                if (params.get(i) != null) {
                    mft = DBTypeBasedUtils.getJavaTypeFunc(params.get(i).getClass()).getMyFieldType();
                    if (pstmt.getParameter(i + 1).getType() != mft)
                        pstmt.setParameter(i + 1, new MyParameter(mft));
                } else {
                    pstmt.setParameter(i + 1, new MyParameter(MyFieldType.FIELD_TYPE_NULL));
                }
            }
        }
	}

}