Java tutorial
package com.tesora.dve.db.mysql.libmy; /* * #%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 io.netty.buffer.ByteBuf; import com.tesora.dve.exceptions.PECodingException; public class MyServerGreetingErrorResponse extends MyErrorResponse { public MyServerGreetingErrorResponse(Exception e) { super(e); } @Override public void marshallMessage(ByteBuf cb) { cb.writeByte(ERRORPKT_FIELD_COUNT); cb.writeShort((short) getErrorNumber()); cb.writeBytes(getErrorMsg().getBytes()); } @Override public MyMessageType getMessageType() { return MyMessageType.SERVER_GREETING_ERROR_RESPONSE; } @Override public void unmarshallMessage(ByteBuf cb) { throw new PECodingException("Method not supported for " + this.getClass().getName()); } }