mirror of https://github.com/grpc/grpc-go.git
33 lines
1.0 KiB
Go
33 lines
1.0 KiB
Go
/*
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*
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* Copyright 2019 gRPC 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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*/
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// Package wrr contains the interface and common implementations of wrr
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// algorithms.
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package wrr
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// WRR defines an interface that implements weighted round robin.
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type WRR interface {
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// Add adds an item with weight to the WRR set. Add must be only called
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// before any calls to Next.
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Add(item any, weight int64)
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// Next returns the next picked item.
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//
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// Next needs to be thread safe. Add may not be called after any call to
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// Next.
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Next() any
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}
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