com.tesora.dve.mysqlapi.repl.messages.MyExecuteLoadLogEvent.java Source code

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Here is the source code for com.tesora.dve.mysqlapi.repl.messages.MyExecuteLoadLogEvent.java

Source

package com.tesora.dve.mysqlapi.repl.messages;

/*
 * #%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 io.netty.buffer.Unpooled;
import io.netty.util.CharsetUtil;

import org.apache.log4j.Logger;

import com.tesora.dve.db.mysql.common.MysqlAPIUtils;
import com.tesora.dve.exceptions.PEException;

public class MyExecuteLoadLogEvent extends MyLogEventPacket {
    private static final Logger logger = Logger.getLogger(MyExecuteLoadLogEvent.class);

    public static final int MAX_BUFFER_LEN = 100000;
    int threadId;
    int time;
    byte dbLen;
    short errorCode;
    short statusBlockLen;
    int fileId;
    int startPos;
    int endPos;
    byte duplicateFlag;
    String dbName;
    ByteBuf query;
    String origQuery;
    String skipErrorMessage;

    MyStatusVariables statusVars = new MyStatusVariables();

    public MyExecuteLoadLogEvent(MyReplEventCommonHeader ch) {
        super(ch);
    }

    @Override
    public void accept(ReplicationVisitorTarget visitorTarget) throws PEException {
        visitorTarget.visit((MyExecuteLoadLogEvent) this);
    }

    @Override
    public void unmarshallMessage(ByteBuf cb) throws PEException {
        threadId = cb.readInt();
        time = cb.readInt();
        dbLen = cb.readByte();
        errorCode = cb.readShort();
        statusBlockLen = cb.readShort();
        fileId = cb.readInt();
        startPos = cb.readInt();
        endPos = cb.readInt();
        duplicateFlag = cb.readByte();
        // really we should check if replication version >=4 or else this is wrong
        statusVars.parseStatusVariables(cb, statusBlockLen);

        dbName = MysqlAPIUtils.readBytesAsString(cb, dbLen, CharsetUtil.UTF_8);
        cb.skipBytes(1); //for trailing 0
        query = Unpooled.buffer(cb.readableBytes());
        query.writeBytes(cb);
        origQuery = query.toString(CharsetUtil.UTF_8);
    }

    @Override
    public void marshallMessage(ByteBuf cb) {
        cb.writeInt(threadId);
        cb.writeInt(time);
        cb.writeByte(dbLen);
        cb.writeShort(errorCode);
        cb.writeShort(statusBlockLen);
        cb.writeInt(fileId);
        cb.writeInt(startPos);
        cb.writeInt(endPos);
        cb.writeByte(duplicateFlag);

        statusVars.writeStatusVariables(cb);

        cb.writeBytes(dbName.getBytes(CharsetUtil.UTF_8));
        cb.writeByte(0); //for trailing 0
        cb.writeBytes(query);
    }

    public String getDbName() {
        return dbName;
    }

    public String getOrigQuery() {
        return origQuery;
    }

    public int getFileId() {
        return fileId;
    }

    public short getErrorCode() {
        return errorCode;
    }

    public void setErrorCode(short errorCode) {
        this.errorCode = errorCode;
    }

    public void setSkipErrors(boolean shouldSkip, String skipErrorMessage) {
        this.setSkipErrors(shouldSkip);
        this.skipErrorMessage = skipErrorMessage;
    }

}