easymap/segment.go

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// Package easymap ...
//
// Description : 分段存储的map并发行更好,分段数量为 1 将退化成普通的
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2021-02-23 10:47 下午
package easymap
// NewSegment 获取分段map实例
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 11:05 下午 2021/2/24
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func NewSegment(segmentCnt int) (EasyMap, error) {
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if segmentCnt <= 0 {
return nil, segmentError()
}
em := &segment{
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&common{
normalDataTable: nil,
syncMapDataTable: nil,
dataTableType: normalDataTableType,
segment: segmentCnt,
lock: nil,
},
}
em.normalDataTable = make([]map[interface{}]interface{}, segmentCnt)
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for i := 0; i < segmentCnt; i++ {
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em.normalDataTable[i] = make(map[interface{}]interface{})
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}
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em.common.initLock()
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return em, nil
}
type segment struct {
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*common
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}