/
gtype_uint64.go
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/
gtype_uint64.go
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// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gtype
import (
"strconv"
"sync/atomic"
"github.com/gogf/gf/v2/util/gconv"
)
// Uint64 is a struct for concurrent-safe operation for type uint64.
type Uint64 struct {
value uint64
}
// NewUint64 creates and returns a concurrent-safe object for uint64 type,
// with given initial value `value`.
func NewUint64(value ...uint64) *Uint64 {
if len(value) > 0 {
return &Uint64{
value: value[0],
}
}
return &Uint64{}
}
// Clone clones and returns a new concurrent-safe object for uint64 type.
func (v *Uint64) Clone() *Uint64 {
return NewUint64(v.Val())
}
// Set atomically stores `value` into t.value and returns the previous value of t.value.
func (v *Uint64) Set(value uint64) (old uint64) {
return atomic.SwapUint64(&v.value, value)
}
// Val atomically loads and returns t.value.
func (v *Uint64) Val() uint64 {
return atomic.LoadUint64(&v.value)
}
// Add atomically adds `delta` to t.value and returns the new value.
func (v *Uint64) Add(delta uint64) (new uint64) {
return atomic.AddUint64(&v.value, delta)
}
// Cas executes the compare-and-swap operation for value.
func (v *Uint64) Cas(old, new uint64) (swapped bool) {
return atomic.CompareAndSwapUint64(&v.value, old, new)
}
// String implements String interface for string printing.
func (v *Uint64) String() string {
return strconv.FormatUint(v.Val(), 10)
}
// MarshalJSON implements the interface MarshalJSON for json.Marshal.
func (v Uint64) MarshalJSON() ([]byte, error) {
return []byte(strconv.FormatUint(v.Val(), 10)), nil
}
// UnmarshalJSON implements the interface UnmarshalJSON for json.Unmarshal.
func (v *Uint64) UnmarshalJSON(b []byte) error {
v.Set(gconv.Uint64(string(b)))
return nil
}
// UnmarshalValue is an interface implement which sets any type of value for `v`.
func (v *Uint64) UnmarshalValue(value interface{}) error {
v.Set(gconv.Uint64(value))
return nil
}
// DeepCopy implements interface for deep copy of current type.
func (v *Uint64) DeepCopy() interface{} {
if v == nil {
return nil
}
return NewUint64(v.Val())
}