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提取获取hashID

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This commit is contained in:
白茶清欢 2021-02-24 23:18:29 +08:00
parent a9768f5aa3
commit 31e90d97b5
3 changed files with 77 additions and 57 deletions
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56
easymap/segment.go
View File

@ -8,11 +8,14 @@
package easymap
import (
"fmt"
"github.com/spaolacci/murmur3"
"github.com/go-developer/gopkg/util"
)
// NewSegment 获取分段map实例
//
// Author : go_developer@163.com<张德满>
//
// Date : 11:05 下午 2021/2/24
func NewSegment(segmentCnt int, withLock bool) (EasyMap, error) {
if segmentCnt <= 0 {
return nil, segmentError()
@ -33,97 +36,97 @@ type segment struct {
}
func (s *segment) Get(key interface{}) (interface{}, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].Get(key)
}
func (s *segment) GetWithReceiver(key interface{}, dest interface{}) error {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetWithReceiver(key, dest)
}
func (s *segment) GetUint(key interface{}) (uint, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetUint(key)
}
func (s *segment) GetUint8(key interface{}) (uint8, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetUint8(key)
}
func (s *segment) GetUint16(key interface{}) (uint16, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetUint16(key)
}
func (s *segment) GetUint32(key interface{}) (uint32, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetUint32(key)
}
func (s *segment) GetUint64(key interface{}) (uint64, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetUint64(key)
}
func (s *segment) GetInt(key interface{}) (int, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetInt(key)
}
func (s *segment) GetInt8(key interface{}) (int8, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetInt8(key)
}
func (s *segment) GetInt16(key interface{}) (int16, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetInt16(key)
}
func (s *segment) GetInt32(key interface{}) (int32, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetInt32(key)
}
func (s *segment) GetInt64(key interface{}) (int64, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetInt64(key)
}
func (s *segment) GetFloat32(key interface{}) (float32, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetFloat32(key)
}
func (s *segment) GetFloat64(key interface{}) (float64, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetFloat64(key)
}
func (s *segment) GetBool(key interface{}) (bool, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetBool(key)
}
func (s *segment) GetString(key interface{}) (string, error) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].GetString(key)
}
func (s *segment) Set(key interface{}, value interface{}) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
s.dataTable[segmentIndex].Set(key, value)
}
func (s *segment) Del(key interface{}) {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
s.dataTable[segmentIndex].Del(key)
}
func (s *segment) Exist(key interface{}) bool {
segmentIndex := s.getSegment(key)
segmentIndex := util.GetHashIDMod(key, s.segment)
return s.dataTable[segmentIndex].Exist(key)
}
@ -136,12 +139,3 @@ func (s *segment) GetAll() map[interface{}]interface{} {
}
return result
}
// getSegment 根据key获取segment
//
// Author : go_developer@163.com<张德满>
//
// Date : 1:51 下午 2021/2/24
func (s *segment) getSegment(key interface{}) int {
return int(murmur3.Sum64([]byte(fmt.Sprintf("%v", key))) % uint64(s.segment))
}

46
easymap/sync_segment.go
View File

@ -8,9 +8,7 @@
package easymap
import (
"fmt"
"github.com/spaolacci/murmur3"
"github.com/go-developer/gopkg/util"
)
// NewSegmentSync 获取SegmentSync实例
@ -38,79 +36,79 @@ type segmentSync struct {
}
func (s *segmentSync) Get(key interface{}) (interface{}, error) {
return s.dataTable[s.getSegment(key)].Get(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].Get(key)
}
func (s *segmentSync) GetWithReceiver(key interface{}, dest interface{}) error {
return s.dataTable[s.getSegment(key)].GetWithReceiver(key, dest)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetWithReceiver(key, dest)
}
func (s *segmentSync) GetUint(key interface{}) (uint, error) {
return s.dataTable[s.getSegment(key)].GetUint(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetUint(key)
}
func (s *segmentSync) GetUint8(key interface{}) (uint8, error) {
return s.dataTable[s.getSegment(key)].GetUint8(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetUint8(key)
}
func (s *segmentSync) GetUint16(key interface{}) (uint16, error) {
return s.dataTable[s.getSegment(key)].GetUint16(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetUint16(key)
}
func (s *segmentSync) GetUint32(key interface{}) (uint32, error) {
return s.dataTable[s.getSegment(key)].GetUint32(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetUint32(key)
}
func (s *segmentSync) GetUint64(key interface{}) (uint64, error) {
return s.dataTable[s.getSegment(key)].GetUint64(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetUint64(key)
}
func (s *segmentSync) GetInt(key interface{}) (int, error) {
return s.dataTable[s.getSegment(key)].GetInt(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetInt(key)
}
func (s *segmentSync) GetInt8(key interface{}) (int8, error) {
return s.dataTable[s.getSegment(key)].GetInt8(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetInt8(key)
}
func (s *segmentSync) GetInt16(key interface{}) (int16, error) {
return s.dataTable[s.getSegment(key)].GetInt16(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetInt16(key)
}
func (s *segmentSync) GetInt32(key interface{}) (int32, error) {
return s.dataTable[s.getSegment(key)].GetInt32(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetInt32(key)
}
func (s *segmentSync) GetInt64(key interface{}) (int64, error) {
return s.dataTable[s.getSegment(key)].GetInt64(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetInt64(key)
}
func (s *segmentSync) GetFloat32(key interface{}) (float32, error) {
return s.dataTable[s.getSegment(key)].GetFloat32(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetFloat32(key)
}
func (s *segmentSync) GetFloat64(key interface{}) (float64, error) {
return s.dataTable[s.getSegment(key)].GetFloat64(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetFloat64(key)
}
func (s *segmentSync) GetBool(key interface{}) (bool, error) {
return s.dataTable[s.getSegment(key)].GetBool(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetBool(key)
}
func (s *segmentSync) GetString(key interface{}) (string, error) {
return s.dataTable[s.getSegment(key)].GetString(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].GetString(key)
}
func (s *segmentSync) Set(key interface{}, value interface{}) {
s.dataTable[s.getSegment(key)].Set(key, value)
s.dataTable[util.GetHashIDMod(key, s.segment)].Set(key, value)
}
func (s *segmentSync) Del(key interface{}) {
s.dataTable[s.getSegment(key)].Del(key)
s.dataTable[util.GetHashIDMod(key, s.segment)].Del(key)
}
func (s *segmentSync) Exist(key interface{}) bool {
return s.dataTable[s.getSegment(key)].Exist(key)
return s.dataTable[util.GetHashIDMod(key, s.segment)].Exist(key)
}
func (s *segmentSync) GetAll() map[interface{}]interface{} {
@ -122,7 +120,3 @@ func (s *segmentSync) GetAll() map[interface{}]interface{} {
}
return result
}
func (s *segmentSync) getSegment(key interface{}) int {
return int(murmur3.Sum64([]byte(fmt.Sprintf("%v", key))) % uint64(s.segment))
}

32
util/hash.go Normal file
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@ -0,0 +1,32 @@
// Package util...
//
// Description : util...
//
// Author : go_developer@163.com<张德满>
//
// Date : 2021-02-24 11:04 下午
package util
import (
"fmt"
"github.com/spaolacci/murmur3"
)
// GetHashID ...
//
// Author : go_developer@163.com<张德满>
//
// Date : 11:04 下午 2021/2/24
func GetHashID(key interface{}) uint64 {
return murmur3.Sum64([]byte(fmt.Sprintf("%v", key)))
}
// GetHashIDMod 获取hashID并取模
//
// Author : go_developer@163.com<张德满>
//
// Date : 11:07 下午 2021/2/24
func GetHashIDMod(key interface{}, shard int) int {
return int(GetHashID(key) % uint64(shard))
}