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dex/vendor/go.etcd.io/etcd/clientv3/balancer/picker/err.go
2020-01-31 10:32:00 +01:00

40 lines
1.0 KiB
Go

// Copyright 2018 The etcd Authors
//
// 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 picker
import (
"context"
"google.golang.org/grpc/balancer"
)
// NewErr returns a picker that always returns err on "Pick".
func NewErr(err error) Picker {
return &errPicker{p: Error, err: err}
}
type errPicker struct {
p Policy
err error
}
func (ep *errPicker) String() string {
return ep.p.String()
}
func (ep *errPicker) Pick(context.Context, balancer.PickOptions) (balancer.SubConn, func(balancer.DoneInfo), error) {
return nil, nil, ep.err
}