40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
// Copyright 2018 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package picker
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import (
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"context"
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"google.golang.org/grpc/balancer"
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)
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// NewErr returns a picker that always returns err on "Pick".
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func NewErr(err error) Picker {
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return &errPicker{p: Error, err: err}
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}
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type errPicker struct {
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p Policy
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err error
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}
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func (ep *errPicker) String() string {
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return ep.p.String()
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}
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func (ep *errPicker) Pick(context.Context, balancer.PickOptions) (balancer.SubConn, func(balancer.DoneInfo), error) {
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return nil, nil, ep.err
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}
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