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author | Christopher Speller <crspeller@gmail.com> | 2018-06-25 12:33:13 -0700 |
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committer | GitHub <noreply@github.com> | 2018-06-25 12:33:13 -0700 |
commit | 1e5c432e1029601a664454388ae366ef69618d62 (patch) | |
tree | cb9e8bfb66640ac3b29c934bb2c3202d25aeb368 /vendor/google.golang.org/grpc/balancer/base/base.go | |
parent | ecefa6cdd1e7376046bbec82c1b47f7756fea646 (diff) | |
download | chat-1e5c432e1029601a664454388ae366ef69618d62.tar.gz chat-1e5c432e1029601a664454388ae366ef69618d62.tar.bz2 chat-1e5c432e1029601a664454388ae366ef69618d62.zip |
MM-10702 Moving plugins to use hashicorp go-plugin. (#8978)
* Moving plugins to use hashicorp go-plugin.
* Tweaks from feedback.
Diffstat (limited to 'vendor/google.golang.org/grpc/balancer/base/base.go')
-rw-r--r-- | vendor/google.golang.org/grpc/balancer/base/base.go | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/vendor/google.golang.org/grpc/balancer/base/base.go b/vendor/google.golang.org/grpc/balancer/base/base.go new file mode 100644 index 000000000..012ace2f2 --- /dev/null +++ b/vendor/google.golang.org/grpc/balancer/base/base.go @@ -0,0 +1,52 @@ +/* + * + * Copyright 2017 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 base defines a balancer base that can be used to build balancers with +// different picking algorithms. +// +// The base balancer creates a new SubConn for each resolved address. The +// provided picker will only be notified about READY SubConns. +// +// This package is the base of round_robin balancer, its purpose is to be used +// to build round_robin like balancers with complex picking algorithms. +// Balancers with more complicated logic should try to implement a balancer +// builder from scratch. +// +// All APIs in this package are experimental. +package base + +import ( + "google.golang.org/grpc/balancer" + "google.golang.org/grpc/resolver" +) + +// PickerBuilder creates balancer.Picker. +type PickerBuilder interface { + // Build takes a slice of ready SubConns, and returns a picker that will be + // used by gRPC to pick a SubConn. + Build(readySCs map[resolver.Address]balancer.SubConn) balancer.Picker +} + +// NewBalancerBuilder returns a balancer builder. The balancers +// built by this builder will use the picker builder to build pickers. +func NewBalancerBuilder(name string, pb PickerBuilder) balancer.Builder { + return &baseBuilder{ + name: name, + pickerBuilder: pb, + } +} |