forked from x/icebergs
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
package mdb
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import (
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"sync"
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ice "shylinux.com/x/icebergs"
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kit "shylinux.com/x/toolkits"
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"shylinux.com/x/toolkits/task"
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)
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var _lock = task.Lock{}
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var _locks = map[string]*task.Lock{}
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func getLock(m *ice.Message, arg ...string) *task.Lock {
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key := kit.Select(m.PrefixKey(), kit.Keys(arg))
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defer _lock.Lock()()
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l, ok := _locks[key]
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kit.If(!ok, func() { l = &task.Lock{}; _locks[key] = l })
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return l
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}
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func Lock(m *ice.Message, arg ...string) func() { return getLock(m, arg...).Lock() }
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func RLock(m *ice.Message, arg ...string) func() { return getLock(m, arg...).RLock() }
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func ConfigSimple(m *ice.Message, key ...string) (res []string) {
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for _, key := range key {
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res = append(res, key, kit.Format(Configv(m, key)))
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}
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return
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}
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func Config(m *ice.Message, key string, arg ...Any) string {
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return kit.Format(Configv(m, key, arg...))
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}
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func Configv(m *ice.Message, key string, arg ...Any) Any {
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kit.If(len(arg) > 0, func() { Confv(m, m.PrefixKey(), kit.Keym(key), arg[0]) })
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return Confv(m, m.PrefixKey(), kit.Keym(key))
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}
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func Confv(m *ice.Message, arg ...Any) Any {
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key := kit.Select(m.PrefixKey(), kit.Format(arg[0]))
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if ctx, ok := ice.Info.Index[key].(*ice.Context); ok {
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key = ctx.Prefix(key)
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}
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if len(arg) > 2 {
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defer Lock(m, key)()
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} else {
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defer RLock(m, key)()
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}
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return m.Confv(arg...)
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}
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func Conf(m *ice.Message, arg ...Any) string { return kit.Format(Confv(m, arg...)) }
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func Confm(m *ice.Message, key string, sub Any, cbs ...Any) Map {
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val := m.Confv(key, sub)
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kit.If(len(cbs) > 0, func() { kit.For(val, cbs[0]) })
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value, _ := val.(Map)
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return value
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}
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var cache = sync.Map{}
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func Cache(m *ice.Message, key string, add func() Any) Any {
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if key = kit.Keys(m.PrefixKey(), key); add == nil {
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cache.Delete(key)
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return nil
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} else if val, ok := cache.Load(key); ok {
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return val
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} else if val := add(); val != nil {
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cache.Store(key, val)
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return val
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} else {
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return nil
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}
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}
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