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86 lines
2.3 KiB
86 lines
2.3 KiB
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package gtype
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import (
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"strconv"
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"sync/atomic"
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"github.com/gogf/gf/v2/util/gconv"
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)
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// Uint64 is a struct for concurrent-safe operation for type uint64.
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type Uint64 struct {
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value uint64
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}
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// NewUint64 creates and returns a concurrent-safe object for uint64 type,
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// with given initial value `value`.
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func NewUint64(value ...uint64) *Uint64 {
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if len(value) > 0 {
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return &Uint64{
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value: value[0],
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}
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}
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return &Uint64{}
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}
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// Clone clones and returns a new concurrent-safe object for uint64 type.
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func (v *Uint64) Clone() *Uint64 {
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return NewUint64(v.Val())
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}
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// Set atomically stores `value` into t.value and returns the previous value of t.value.
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func (v *Uint64) Set(value uint64) (old uint64) {
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return atomic.SwapUint64(&v.value, value)
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}
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// Val atomically loads and returns t.value.
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func (v *Uint64) Val() uint64 {
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return atomic.LoadUint64(&v.value)
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}
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// Add atomically adds `delta` to t.value and returns the new value.
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func (v *Uint64) Add(delta uint64) (new uint64) {
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return atomic.AddUint64(&v.value, delta)
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}
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// Cas executes the compare-and-swap operation for value.
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func (v *Uint64) Cas(old, new uint64) (swapped bool) {
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return atomic.CompareAndSwapUint64(&v.value, old, new)
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}
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// String implements String interface for string printing.
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func (v *Uint64) String() string {
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return strconv.FormatUint(v.Val(), 10)
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}
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// MarshalJSON implements the interface MarshalJSON for json.Marshal.
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func (v Uint64) MarshalJSON() ([]byte, error) {
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return []byte(strconv.FormatUint(v.Val(), 10)), nil
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}
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// UnmarshalJSON implements the interface UnmarshalJSON for json.Unmarshal.
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func (v *Uint64) UnmarshalJSON(b []byte) error {
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v.Set(gconv.Uint64(string(b)))
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return nil
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}
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// UnmarshalValue is an interface implement which sets any type of value for `v`.
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func (v *Uint64) UnmarshalValue(value interface{}) error {
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v.Set(gconv.Uint64(value))
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return nil
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}
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// DeepCopy implements interface for deep copy of current type.
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func (v *Uint64) DeepCopy() interface{} {
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if v == nil {
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return nil
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}
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return NewUint64(v.Val())
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}
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