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72 lines
2.9 KiB
Go
72 lines
2.9 KiB
Go
// Copyright 2016, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package gax
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import (
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v2 "github.com/googleapis/gax-go/v2"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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)
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// CallOption is an option used by Invoke to control behaviors of RPC calls.
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// CallOption works by modifying relevant fields of CallSettings.
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type CallOption = v2.CallOption
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// Retryer is used by Invoke to determine retry behavior.
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type Retryer = v2.Retryer
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// WithRetry sets CallSettings.Retry to fn.
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func WithRetry(fn func() Retryer) CallOption {
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return v2.WithRetry(fn)
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}
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// OnCodes returns a Retryer that retries if and only if
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// the previous attempt returns a GRPC error whose error code is stored in cc.
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// Pause times between retries are specified by bo.
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//
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// bo is only used for its parameters; each Retryer has its own copy.
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func OnCodes(cc []codes.Code, bo Backoff) Retryer {
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return v2.OnCodes(cc, bo)
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}
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// Backoff implements exponential backoff.
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// The wait time between retries is a random value between 0 and the "retry envelope".
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// The envelope starts at Initial and increases by the factor of Multiplier every retry,
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// but is capped at Max.
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type Backoff = v2.Backoff
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// WithGRPCOptions allows passing gRPC call options during client creation.
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func WithGRPCOptions(opt ...grpc.CallOption) CallOption {
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return v2.WithGRPCOptions(opt...)
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}
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// CallSettings allow fine-grained control over how calls are made.
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type CallSettings = v2.CallSettings
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