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 com.tesora.dve.db.mysql.MysqlMessage;
import io.netty.buffer.ByteBuf;
import java.nio.ByteOrder;
public abstract class MyMessage implements MysqlMessage, MyMarshallMessage, MyUnmarshallMessage {
public static final short MESSAGE_HEADER_LENGTH = 4;
boolean endsSequence = false;
// ---------
// classes extending MyMessage should implement this methods to
// return the relevant value.
// NOTE: these values are the identifiers used in replication.
public abstract MyMessageType getMessageType();
// -------
public void marshallPayload(ByteBuf destination) {
destination = destination.order(ByteOrder.LITTLE_ENDIAN);
if ( this.isMessageTypeEncoded() )
destination.writeByte(this.getMessageType().getByteValue());
this.marshallMessage(destination);
}
public boolean isSequenceEnd() {
return endsSequence;
}
public void setSequenceEnd(boolean endsSequence) {
this.endsSequence = endsSequence;
}
@Override
public String toString() {
return getClass().getSimpleName();
}
}