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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.shardingsphere.db.protocol.mysql.packet.binlog.management;
19  
20  import lombok.Getter;
21  import org.apache.shardingsphere.db.protocol.mysql.packet.binlog.AbstractMySQLBinlogEventPacket;
22  import org.apache.shardingsphere.db.protocol.mysql.packet.binlog.MySQLBinlogEventHeader;
23  import org.apache.shardingsphere.db.protocol.mysql.payload.MySQLPacketPayload;
24  
25  /**
26   * MySQL binlog rotate event packet.
27   *
28   * @see <a href="https://dev.mysql.com/doc/dev/mysql-server/latest/classbinary__log_1_1Rotate__event.html">ROTATE_EVENT</a>
29   */
30  @Getter
31  public final class MySQLBinlogRotateEventPacket extends AbstractMySQLBinlogEventPacket {
32      
33      private final long position;
34      
35      private final String nextBinlogName;
36      
37      public MySQLBinlogRotateEventPacket(final MySQLBinlogEventHeader binlogEventHeader, final long position, final String nextBinlogName) {
38          super(binlogEventHeader);
39          this.position = position;
40          this.nextBinlogName = nextBinlogName;
41      }
42      
43      public MySQLBinlogRotateEventPacket(final MySQLBinlogEventHeader binlogEventHeader, final MySQLPacketPayload payload) {
44          super(binlogEventHeader);
45          position = payload.readInt8();
46          nextBinlogName = payload.readStringFix(getRemainBytesLength(payload));
47      }
48      
49      @Override
50      protected void writeEvent(final MySQLPacketPayload payload) {
51          payload.writeInt8(position);
52          payload.writeStringEOF(nextBinlogName);
53      }
54  }