mirror of https://github.com/grpc/grpc-go.git
38 lines
1.2 KiB
Go
38 lines
1.2 KiB
Go
/*
|
|
*
|
|
* Copyright 2020 gRPC 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 balancergroup
|
|
|
|
import (
|
|
"google.golang.org/grpc/balancer"
|
|
)
|
|
|
|
// BalancerStateAggregator aggregates sub-picker and connectivity states into a
|
|
// state.
|
|
//
|
|
// It takes care of merging sub-picker into one picker. The picking config is
|
|
// passed directly from the parent to the aggregator implementation (instead
|
|
// via balancer group).
|
|
type BalancerStateAggregator interface {
|
|
// UpdateState updates the state of the id.
|
|
//
|
|
// It's up to the implementation whether this will trigger an update to the
|
|
// parent ClientConn.
|
|
UpdateState(id string, state balancer.State)
|
|
}
|