github.com/datastax/go-cassandra-native-protocol@v0.0.0-20220706104457-5e8aad05cf90/message/message.go (about)

     1  // Copyright 2020 DataStax
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package message
    16  
    17  import (
    18  	"io"
    19  
    20  	"github.com/datastax/go-cassandra-native-protocol/primitive"
    21  )
    22  
    23  type Message interface {
    24  	IsResponse() bool
    25  	GetOpCode() primitive.OpCode
    26  	DeepCopyMessage() Message
    27  }
    28  
    29  type Encoder interface {
    30  	Encode(msg Message, dest io.Writer, version primitive.ProtocolVersion) error
    31  	EncodedLength(msg Message, version primitive.ProtocolVersion) (int, error)
    32  }
    33  
    34  type Decoder interface {
    35  	Decode(source io.Reader, version primitive.ProtocolVersion) (Message, error)
    36  }
    37  
    38  type Codec interface {
    39  	Encoder
    40  	Decoder
    41  	GetOpCode() primitive.OpCode
    42  }