frostfs-sdk-go/netmap/operation.go

117 lines
1.9 KiB
Go
Raw Normal View History

package netmap
import (
"github.com/nspcc-dev/neofs-api-go/v2/netmap"
)
// Operation is an enumeration of v2-compatible filtering operations.
type Operation uint32
const (
_ Operation = iota
// OpEQ is an "Equal" operation.
OpEQ
// OpNE is a "Not equal" operation.
OpNE
// OpGT is a "Greater than" operation.
OpGT
// OpGE is a "Greater than or equal to" operation.
OpGE
// OpLT is a "Less than" operation.
OpLT
// OpLE is a "Less than or equal to" operation.
OpLE
// OpOR is an "OR" operation.
OpOR
// OpAND is an "AND" operation.
OpAND
)
// OperationFromV2 converts v2 Operation to Operation.
func OperationFromV2(op netmap.Operation) Operation {
switch op {
default:
return 0
case netmap.OR:
return OpOR
case netmap.AND:
return OpAND
case netmap.GE:
return OpGE
case netmap.GT:
return OpGT
case netmap.LE:
return OpLE
case netmap.LT:
return OpLT
case netmap.EQ:
return OpEQ
case netmap.NE:
return OpNE
}
}
// ToV2 converts Operation to v2 Operation.
func (op Operation) ToV2() netmap.Operation {
switch op {
default:
return netmap.UnspecifiedOperation
case OpOR:
return netmap.OR
case OpAND:
return netmap.AND
case OpGE:
return netmap.GE
case OpGT:
return netmap.GT
case OpLE:
return netmap.LE
case OpLT:
return netmap.LT
case OpEQ:
return netmap.EQ
case OpNE:
return netmap.NE
}
}
// String returns string representation of Operation.
//
// String mapping:
// * OpNE: NE;
// * OpEQ: EQ;
// * OpLT: LT;
// * OpLE: LE;
// * OpGT: GT;
// * OpGE: GE;
// * OpAND: AND;
// * OpOR: OR;
// * default: OPERATION_UNSPECIFIED.
func (op Operation) String() string {
return op.ToV2().String()
}
// FromString parses Operation from a string representation.
// It is a reverse action to String().
//
// Returns true if s was parsed successfully.
func (op *Operation) FromString(s string) bool {
var g netmap.Operation
ok := g.FromString(s)
if ok {
*op = OperationFromV2(g)
}
return ok
}