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.CompletionTarget;
import com.tesora.dve.db.mysql.libmy.MyMessage;
import io.netty.channel.ChannelHandlerContext;

import com.tesora.dve.exceptions.PEException;

public class MysqlStmtCloseCommand extends MysqlCommand {

    int preparedID;
    boolean written = false;
    CompletionTarget<Boolean> promise;

    public MysqlStmtCloseCommand(int preparedID, CompletionTarget<Boolean> target) {
        super();
        this.preparedID = preparedID;
        this.promise = target;
    }

    @Override
    public void packetStall(ChannelHandlerContext ctx) {
    }

	@Override
	public boolean processPacket(ChannelHandlerContext ctx,MyMessage message) throws PEException {
		return true;
	}

	@Override
	public void failure(Exception e) {
        if (written)
            return;
        else
            promise.failure(e);
	}

    @Override
    public void active(ChannelHandlerContext ctx) {
        this.promise.success(true);
        this.written = true;
    }
}