github.com/datastax/go-cassandra-native-protocol@v0.0.0-20220706104457-5e8aad05cf90/message/ready.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  	"errors"
    19  	"fmt"
    20  	"io"
    21  
    22  	"github.com/datastax/go-cassandra-native-protocol/primitive"
    23  )
    24  
    25  // Ready is a response sent when the coordinator replies to a Startup request without requiring authentication.
    26  // +k8s:deepcopy-gen=true
    27  // +k8s:deepcopy-gen:interfaces=github.com/datastax/go-cassandra-native-protocol/message.Message
    28  type Ready struct {
    29  }
    30  
    31  func (m *Ready) IsResponse() bool {
    32  	return true
    33  }
    34  
    35  func (m *Ready) GetOpCode() primitive.OpCode {
    36  	return primitive.OpCodeReady
    37  }
    38  
    39  func (m *Ready) String() string {
    40  	return "READY"
    41  }
    42  
    43  type readyCodec struct{}
    44  
    45  func (c *readyCodec) Encode(msg Message, _ io.Writer, _ primitive.ProtocolVersion) error {
    46  	_, ok := msg.(*Ready)
    47  	if !ok {
    48  		return errors.New(fmt.Sprintf("expected *message.Ready, got %T", msg))
    49  	}
    50  	return nil
    51  }
    52  
    53  func (c *readyCodec) EncodedLength(msg Message, _ primitive.ProtocolVersion) (int, error) {
    54  	_, ok := msg.(*Ready)
    55  	if !ok {
    56  		return -1, errors.New(fmt.Sprintf("expected *message.Ready, got %T", msg))
    57  	}
    58  	return 0, nil
    59  }
    60  
    61  func (c *readyCodec) Decode(_ io.Reader, _ primitive.ProtocolVersion) (Message, error) {
    62  	return &Ready{}, nil
    63  }
    64  
    65  func (c *readyCodec) GetOpCode() primitive.OpCode {
    66  	return primitive.OpCodeReady
    67  }