Update MysqlUpdateExecutor.java

This commit is contained in:
luoyaogui
2017-06-27 15:05:33 +08:00
committed by GitHub
parent 523130cf8b
commit 3dba400624
@@ -1,6 +1,7 @@
package com.alibaba.otter.canal.parse.driver.mysql;
import java.io.IOException;
import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -8,7 +9,6 @@ import org.slf4j.LoggerFactory;
import com.alibaba.otter.canal.parse.driver.mysql.packets.client.QueryCommandPacket;
import com.alibaba.otter.canal.parse.driver.mysql.packets.server.ErrorPacket;
import com.alibaba.otter.canal.parse.driver.mysql.packets.server.OKPacket;
import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannel;
import com.alibaba.otter.canal.parse.driver.mysql.utils.PacketManager;
/**
@@ -21,34 +21,33 @@ public class MysqlUpdateExecutor {
private static final Logger logger = LoggerFactory.getLogger(MysqlUpdateExecutor.class);
private SocketChannel channel;
private MysqlConnector connector;
public MysqlUpdateExecutor(MysqlConnector connector){
if (!connector.isConnected()) {
throw new RuntimeException("should execute connector.connect() first");
}
this.channel = connector.getChannel();
this.connector = connector;
}
public MysqlUpdateExecutor(SocketChannel ch){
/* public MysqlUpdateExecutor(SocketChannel ch){
this.channel = ch;
}
}*/
public OKPacket update(String updateString) throws IOException {
QueryCommandPacket cmd = new QueryCommandPacket();
cmd.setQueryString(updateString);
byte[] bodyBytes = cmd.toBytes();
PacketManager.write(channel, bodyBytes);
PacketManager.writeBody(connector.getChannel(), bodyBytes);
logger.debug("read update result...");
byte[] body = PacketManager.readBytes(channel, PacketManager.readHeader(channel, 4).getPacketBodyLength());
byte[] body = PacketManager.readBytes(connector.getChannel(), PacketManager.readHeader(connector.getChannel(), 4).getPacketBodyLength());
if (body[0] < 0) {
ErrorPacket packet = new ErrorPacket();
packet.fromBytes(body);
throw new IOException(packet + "\n with command: " + updateString);
}
//channel.lock();//锁定读
OKPacket packet = new OKPacket();
packet.fromBytes(body);