forked from TrueCloudLab/frostfs-api-go
0206bd9a5d
Make `Attributes.ToV2` method to return `nil` when called on `nil`. Make `NewAttributesFromV2` function to return `nil` when called on `nil`. Write corresponding unit tests. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package container
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import (
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"github.com/nspcc-dev/neofs-api-go/v2/container"
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)
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type (
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Attribute container.Attribute
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Attributes []*Attribute
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)
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// NewAttribute creates and initializes blank Attribute.
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//
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// Defaults:
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// - key: "";
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// - value: "".
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func NewAttribute() *Attribute {
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return NewAttributeFromV2(new(container.Attribute))
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}
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func (a *Attribute) SetKey(v string) {
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(*container.Attribute)(a).SetKey(v)
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}
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func (a *Attribute) SetValue(v string) {
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(*container.Attribute)(a).SetValue(v)
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}
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func (a *Attribute) Key() string {
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return (*container.Attribute)(a).GetKey()
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}
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func (a *Attribute) Value() string {
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return (*container.Attribute)(a).GetValue()
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}
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// NewAttributeFromV2 wraps protocol dependent version of
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// Attribute message.
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//
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// Nil container.Attribute converts to nil.
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func NewAttributeFromV2(v *container.Attribute) *Attribute {
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return (*Attribute)(v)
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}
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// ToV2 converts Attribute to v2 Attribute message.
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//
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// Nil Attribute converts to nil.
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func (a *Attribute) ToV2() *container.Attribute {
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return (*container.Attribute)(a)
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}
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func NewAttributesFromV2(v []*container.Attribute) Attributes {
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if v == nil {
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return nil
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}
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attrs := make(Attributes, 0, len(v))
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for i := range v {
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attrs = append(attrs, NewAttributeFromV2(v[i]))
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}
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return attrs
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}
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func (a Attributes) ToV2() []*container.Attribute {
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if a == nil {
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return nil
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}
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attrs := make([]*container.Attribute, 0, len(a))
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for i := range a {
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attrs = append(attrs, a[i].ToV2())
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}
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return attrs
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}
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