wp-go/cache/cachemanager/varcache.go

84 lines
2.0 KiB
Go

package cachemanager
import (
"context"
"errors"
"github.com/fthvgb1/wp-go/cache"
"github.com/fthvgb1/wp-go/helper"
"github.com/fthvgb1/wp-go/helper/slice/mockmap"
str "github.com/fthvgb1/wp-go/helper/strings"
"github.com/fthvgb1/wp-go/safety"
"time"
)
var varCache = safety.NewMap[string, any]()
func SetVarCache[T any](name string, v *cache.VarCache[T]) error {
vv, ok := varCache.Load(name)
if !ok {
varCache.Store(name, v)
return nil
}
_, ok = vv.(*cache.VarCache[T])
if ok {
varCache.Store(name, v)
return nil
}
return errors.New(str.Join("cache ", name, " type err"))
}
func NewVarCache[T any](c cache.AnyCache[T], fn func(context.Context, ...any) (T, error), a ...any) *cache.VarCache[T] {
inc := helper.ParseArgs((*cache.IncreaseUpdateVar[T])(nil), a...)
ref := helper.ParseArgs(cache.RefreshVar[T](nil), a...)
v := cache.NewVarCache(c, fn, inc, ref, a...)
name, _ := parseArgs(a...)
if name != "" {
varCache.Store(name, v)
}
PushOrSetFlush(mockmap.Item[string, Fn]{
Name: name,
Value: v.Flush,
})
cc, ok := any(c).(clearExpired)
if ok {
PushOrSetClearExpired(mockmap.Item[string, Fn]{
Name: name,
Value: cc.ClearExpired,
})
}
return v
}
func GetVarVal[T any](name string, ctx context.Context, duration time.Duration, a ...any) (r T, err error) {
ctx = context.WithValue(ctx, "getCache", name)
ca, ok := GetVarCache[T](name)
if !ok {
err = errors.New(str.Join("cache ", name, " is not exist"))
return
}
v, err := ca.GetCache(ctx, duration, a...)
if err != nil {
return
}
r = v
return
}
func NewVarMemoryCache[T any](fn func(context.Context, ...any) (T, error), expired time.Duration, a ...any) *cache.VarCache[T] {
c := cache.NewVarMemoryCache[T](nil)
name, e := parseArgs(a...)
SetExpireTime(c, name, expired, e)
v := NewVarCache[T](c, fn, a...)
return v
}
func GetVarCache[T any](name string) (*cache.VarCache[T], bool) {
v, ok := varCache.Load(name)
if !ok {
return nil, false
}
vv, ok := v.(*cache.VarCache[T])
return vv, ok
}