github.com/kaydxh/golang@v0.0.131/pkg/binlog/datastore/message.go (about)

     1  /*
     2   *Copyright (c) 2023, kaydxh
     3   *
     4   *Permission is hereby granted, free of charge, to any person obtaining a copy
     5   *of this software and associated documentation files (the "Software"), to deal
     6   *in the Software without restriction, including without limitation the rights
     7   *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   *copies of the Software, and to permit persons to whom the Software is
     9   *furnished to do so, subject to the following conditions:
    10   *
    11   *The above copyright notice and this permission notice shall be included in all
    12   *copies or substantial portions of the Software.
    13   *
    14   *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   *SOFTWARE.
    21   */
    22  package datastore
    23  
    24  import (
    25  	"reflect"
    26  	"sort"
    27  )
    28  
    29  type MessageKey struct {
    30  	Key     string
    31  	MsgType MsgType
    32  
    33  	Fields []string
    34  	// To db is table name
    35  	Path string
    36  }
    37  
    38  func (m MessageKey) Equual(s MessageKey) bool {
    39  	if m.Key != s.Key {
    40  		return false
    41  	}
    42  
    43  	if m.MsgType != s.MsgType {
    44  		return false
    45  	}
    46  
    47  	if m.Path != s.Path {
    48  		return false
    49  	}
    50  
    51  	sort.Strings(m.Fields)
    52  	sort.Strings(s.Fields)
    53  	return reflect.DeepEqual(m.Fields, s.Fields)
    54  }
    55  
    56  type Message struct {
    57  	Key   []byte
    58  	Value []byte
    59  }
    60  
    61  type MsgType int32
    62  
    63  const (
    64  	MsgType_Insert MsgType = 0
    65  	MsgType_Delete MsgType = 1
    66  	MsgType_Update MsgType = 2
    67  	MsgType_Get    MsgType = 3
    68  )