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server/storage/backend/hooks.go
36 строк
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Marek Siarkowicz
Separate Writer interface from BatchTx interfaces
31 июл 2023, 11:18
31 июл 2023, 11:18
53cbd81
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// Copyright 2021 The etcd 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 backend type HookFunc func(tx UnsafeReadWriter) // Hooks allow to add additional logic executed during transaction lifetime. type Hooks interface { // OnPreCommitUnsafe is executed before Commit of transactions. // The given transaction is already locked. OnPreCommitUnsafe(tx UnsafeReadWriter) } type hooks struct { onPreCommitUnsafe HookFunc } func (h hooks) OnPreCommitUnsafe(tx UnsafeReadWriter) { h.onPreCommitUnsafe(tx) } func NewHooks(onPreCommitUnsafe HookFunc) Hooks { return hooks{onPreCommitUnsafe: onPreCommitUnsafe} }