70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
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package netmap
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import (
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"github.com/nspcc-dev/neofs-api-go/v2/netmap"
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)
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// Clause is an enumeration of selector modifiers
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// that shows how the node set will be formed.
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type Clause uint32
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const (
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ClauseUnspecified Clause = iota
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// ClauseSame is a selector modifier to select only nodes having the same value of bucket attribute.
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ClauseSame
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// ClauseDistinct is a selector modifier to select nodes having different values of bucket attribute.
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ClauseDistinct
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)
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// ClauseFromV2 converts v2 Clause to Clause.
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func ClauseFromV2(c netmap.Clause) Clause {
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switch c {
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default:
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return ClauseUnspecified
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case netmap.Same:
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return ClauseSame
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case netmap.Distinct:
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return ClauseDistinct
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}
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}
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// ToV2 converts Clause to v2 Clause.
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func (c Clause) ToV2() netmap.Clause {
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switch c {
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default:
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return netmap.UnspecifiedClause
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case ClauseDistinct:
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return netmap.Distinct
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case ClauseSame:
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return netmap.Same
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}
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}
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// String returns string representation of Clause.
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//
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// String mapping:
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// * ClauseDistinct: DISTINCT;
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// * ClauseSame: SAME;
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// * ClauseUnspecified, default: CLAUSE_UNSPECIFIED.
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func (c Clause) String() string {
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return c.ToV2().String()
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}
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// FromString parses Clause from a string representation.
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// It is a reverse action to String().
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//
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// Returns true if s was parsed successfully.
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func (c *Clause) FromString(s string) bool {
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var g netmap.Clause
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ok := g.FromString(s)
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if ok {
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*c = ClauseFromV2(g)
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}
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return ok
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}
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