mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-09-21 16:09:55 +00:00
36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
|
// Copyright 2020 Google LLC
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package interpreter
|
||
|
|
|
||
|
|
import "math"
|
||
|
|
|
||
|
|
// TODO: remove Coster.
|
||
|
|
|
||
|
|
// Coster calculates the heuristic cost incurred during evaluation.
|
||
|
|
// Deprecated: Please migrate cel.EstimateCost, it supports length estimates for input data and cost estimates for
|
||
|
|
// extension functions.
|
||
|
|
type Coster interface {
|
||
|
|
Cost() (min, max int64)
|
||
|
|
}
|
||
|
|
|
||
|
|
// estimateCost returns the heuristic cost interval for the program.
|
||
|
|
func estimateCost(i interface{}) (min, max int64) {
|
||
|
|
c, ok := i.(Coster)
|
||
|
|
if !ok {
|
||
|
|
return 0, math.MaxInt64
|
||
|
|
}
|
||
|
|
return c.Cost()
|
||
|
|
}
|