gitee.com/ks-custle/core-gm@v0.0.0-20230922171213-b83bdd97b62c/grpc/internal/balancergroup/balancerstateaggregator.go (about)

     1  /*
     2   *
     3   * Copyright 2020 gRPC authors.
     4   *
     5   * Licensed under the Apache License, Version 2.0 (the "License");
     6   * you may not use this file except in compliance with the License.
     7   * You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   */
    18  
    19  package balancergroup
    20  
    21  import (
    22  	"gitee.com/ks-custle/core-gm/grpc/balancer"
    23  )
    24  
    25  // BalancerStateAggregator aggregates sub-picker and connectivity states into a
    26  // state.
    27  //
    28  // It takes care of merging sub-picker into one picker. The picking config is
    29  // passed directly from the the parent to the aggregator implementation (instead
    30  // via balancer group).
    31  type BalancerStateAggregator interface {
    32  	// UpdateState updates the state of the id.
    33  	//
    34  	// It's up to the implementation whether this will trigger an update to the
    35  	// parent ClientConn.
    36  	UpdateState(id string, state balancer.State)
    37  }