67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package dbUtils
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import (
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"sync"
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common "git.mic.pp.ua/anderson/nettools/common"
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)
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type IIdSyncMap[IDType common.Int, ItemType any] interface {
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GetAll() map[IDType]ItemType
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Add(items ...ItemType) (id IDType)
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Rm(id IDType)
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Pop(id IDType) (item ItemType, exists bool)
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}
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type IdSyncMap[IDType common.Int, ItemType any] struct {
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IIdSyncMap[IDType, ItemType]
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Lock *sync.RWMutex
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Data map[IDType]ItemType
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NextID IDType
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}
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func (idsyncmap *IdSyncMap[IDType, ItemType]) GetAll() map[IDType]ItemType {
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dataCopy := map[IDType]ItemType{}
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idsyncmap.Lock.RLock()
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for id, item := range idsyncmap.Data {
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dataCopy[id] = item
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}
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idsyncmap.Lock.RUnlock()
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return dataCopy
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}
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func (idsyncmap *IdSyncMap[IDType, ItemType]) Add(items ...ItemType) (id IDType) {
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idsyncmap.Lock.Lock()
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id = idsyncmap.NextID
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for i, item := range items {
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idsyncmap.Data[id+IDType(i)] = item
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}
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idsyncmap.NextID += IDType(len(items))
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idsyncmap.Lock.Unlock()
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return id
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}
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func (idsyncmap *IdSyncMap[IDType, ItemType]) Rm(id IDType) {
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idsyncmap.Lock.Lock()
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delete(idsyncmap.Data, id)
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idsyncmap.Lock.Unlock()
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}
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func (idsyncmap *IdSyncMap[IDType, ItemType]) Pop(id IDType) (item ItemType, exists bool) {
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idsyncmap.Lock.Lock()
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defer idsyncmap.Lock.Unlock()
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if item, exists = idsyncmap.Data[id]; !exists {
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return item, exists
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}
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delete(idsyncmap.Data, id)
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return item, exists
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}
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func NewIDSyncMap[IDType common.Int, ItemType any]() IIdSyncMap[IDType, ItemType] {
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return &IdSyncMap[IDType, ItemType]{
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Lock: &sync.RWMutex{},
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Data: map[IDType]ItemType{},
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NextID: 0,
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}
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}
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