github.com/matrixorigin/matrixone@v1.2.0/pkg/pb/metadata/metadata.go (about)

     1  // Copyright 2022 Matrix Origin
     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 metadata
    16  
    17  import (
    18  	"bytes"
    19  	"fmt"
    20  	"strings"
    21  )
    22  
    23  // IsEmpty return true if is a empty DNShard
    24  func (m TNShard) IsEmpty() bool {
    25  	return m.ShardID == 0
    26  }
    27  
    28  // Equal returns true if DNShard is same
    29  func (m TNShard) Equal(tn TNShard) bool {
    30  	return m.ShardID == tn.ShardID && m.ReplicaID == tn.ReplicaID
    31  }
    32  
    33  // DebugString returns debug string
    34  func (m TNShard) DebugString() string {
    35  	return fmt.Sprintf("%d-%d-%d-%s", m.ShardID, m.ReplicaID, m.LogShardID, m.Address)
    36  }
    37  
    38  // DebugString returns debug string
    39  func (m TNStore) DebugString() string {
    40  	n := len(m.Shards)
    41  	var buf bytes.Buffer
    42  	buf.WriteString(m.UUID)
    43  	buf.WriteString("/")
    44  	buf.WriteString(fmt.Sprintf("%d", len(m.Shards)))
    45  	buf.WriteString(" DNShards[")
    46  	for idx, shard := range m.Shards {
    47  		buf.WriteString(shard.DebugString())
    48  		if idx < n-1 {
    49  			buf.WriteString(", ")
    50  		}
    51  	}
    52  	buf.WriteString("]")
    53  	return buf.String()
    54  }
    55  
    56  // DebugString returns debug string
    57  func (m CNStore) DebugString() string {
    58  	return fmt.Sprintf("%s/%s", m.UUID, m.Role.String())
    59  }
    60  
    61  // MustParseCNRole parse CN Role from role string
    62  func MustParseCNRole(role string) CNRole {
    63  	if v, ok := CNRole_value[strings.ToUpper(role)]; ok {
    64  		return CNRole(v)
    65  	}
    66  	panic(fmt.Sprintf("invalid CN Role %s", role))
    67  }
    68  
    69  func (m CNService) DebugString() string {
    70  	var buf bytes.Buffer
    71  	buf.WriteString(m.ServiceID)
    72  	buf.WriteString("/sql(")
    73  	buf.WriteString(m.SQLAddress)
    74  	buf.WriteString(")/pipeline(")
    75  	buf.WriteString(m.PipelineServiceAddress)
    76  	buf.WriteString(")/lock(")
    77  	buf.WriteString(m.LockServiceAddress)
    78  	buf.WriteString(")/[")
    79  	for k, v := range m.Labels {
    80  		buf.WriteString(k)
    81  		buf.WriteString("=")
    82  		buf.WriteString(v.String())
    83  		buf.WriteString(" ")
    84  	}
    85  	buf.WriteString("]")
    86  	return buf.String()
    87  }
    88  
    89  func (m TNService) DebugString() string {
    90  	var buf bytes.Buffer
    91  	buf.WriteString(m.ServiceID)
    92  	buf.WriteString("/txn(")
    93  	buf.WriteString(m.TxnServiceAddress)
    94  	buf.WriteString(")/[")
    95  	n := len(m.Shards)
    96  	for idx, shard := range m.Shards {
    97  		buf.WriteString(shard.DebugString())
    98  		if idx < n-1 {
    99  			buf.WriteString(", ")
   100  		}
   101  	}
   102  	buf.WriteString("]/")
   103  	for k, v := range m.Labels {
   104  		buf.WriteString(k)
   105  		buf.WriteString("=")
   106  		buf.WriteString(v.String())
   107  		buf.WriteString(" ")
   108  	}
   109  	buf.WriteString("]")
   110  	return buf.String()
   111  }
   112  
   113  // ToTitle converts the state string to title-like string.
   114  func ToTitle(s string) string {
   115  	if s == "" {
   116  		return ""
   117  	}
   118  	return strings.ToUpper(s[:1]) + strings.ToLower(s[1:])
   119  }
   120  
   121  // ValidStateString returns true if the state string is valid.
   122  func ValidStateString(s string) bool {
   123  	title := ToTitle(s)
   124  	for v := range WorkState_value {
   125  		if title == v {
   126  			return true
   127  		}
   128  	}
   129  	return false
   130  }