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.db.mysql.libmy.MyMessage; import io.netty.channel.ChannelHandlerContext; import com.tesora.dve.exceptions.PEException; public interface MysqlCommandResultsProcessor { void active(ChannelHandlerContext ctx); boolean processPacket(ChannelHandlerContext ctx, MyMessage message) throws PEException; /** * Notifies the processor that the source is temporarily out of messages. This is mainly useful for allowing the * processor to buffer some number of messages in processPacket while they are available, but flush them if the upstream * socket runs out of immediately available bytes. * * @param ctx * @throws PEException */ void packetStall(ChannelHandlerContext ctx) throws PEException; void failure(Exception e); void end(ChannelHandlerContext ctx); }