/
partition.go
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/
partition.go
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// Copyright 2019 The Vearch Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License.
package entity
import (
"github.com/tiglabs/raft"
"sync"
)
type PartitionStatus uint8
const (
PA_UNKNOW PartitionStatus = iota
PA_INVALID
PA_CLOSED
PA_READONLY
PA_READWRITE
)
const (
ReplicasOK = 1
ReplicasNotReady = 2
)
type PartitionForSearch struct {
*Partition
DBName, SpaceName string
}
//partition/[id]:[body]
type Partition struct {
Id PartitionID `json:"id,omitempty"`
SpaceId SpaceID `json:"space_id,omitempty"`
DBId DBID `json:"db_id,omitempty"`
//Slot stores the lower limit of the slot range
Slot SlotID `json:"partition_slot"`
LeaderID NodeID `json:"leader_name,omitempty"`
Replicas []NodeID `json:"replicas,omitempty"` //leader in replicas
UpdateTime int64 `json:"update_time,omitempty"`
Path string `json:"-"`
status PartitionStatus
lock sync.RWMutex
ReStatusMap map[uint64]uint32 `json:"status,omitempty"` //leader in replicas
}
//this is safe method for set status
func (p *Partition) SetStatus(s PartitionStatus) {
p.lock.Lock()
defer p.lock.Unlock()
p.status = s
}
//this is safe method for get status
func (p *Partition) GetStatus() PartitionStatus {
p.lock.RLock()
defer p.lock.RUnlock()
return p.status
}
//get partition from every partitions
type PartitionInfo struct {
PartitionID PartitionID `json:"pid,omitempty"`
DocNum uint64 `json:"doc_num,omitempty"`
Size int64 `json:"size,omitempty"`
ReplicaNum int `json:"replica_num,omitempty"`
RepStatus map[NodeID]string `json:"replica_status,omitempty"`
Path string `json:"path,omitempty"`
Unreachable []uint64 `json:"unreachable,omitempty"`
Status PartitionStatus `json:"status,omitempty"`
Color string `json:"color,omitempty"`
Ip string `json:"ip,omitempty"`
NodeID uint64 `json:"node_id,omitempty"`
RaftStatus *raft.Status `json:"raft_status,omitempty"`
IndexStatus int `json:"index_status"`
Error string `json:"error,omitempty"`
}