mirror of
https://github.com/hanzoai/tasks.git
synced 2026-10-04 02:04:03 +00:00
42235478a5
## What changed? <!-- Describe what has changed in this PR --> Reduce logging on `WFTCompletedHandler.Invoke` error. Now it is emitted only when effects were actually cleared. ## Why? <!-- Tell your future self why have you made these changes --> Remove noisy logs. ## How did you test it? <!-- How have you verified this change? Tested locally? Added a unit test? Checked in staging env? --> Didn't test. ## Potential risks <!-- Assuming the worst case, what can be broken when deploying this change to production? --> No risks. ## Documentation <!-- Have you made sure this change doesn't falsify anything currently stated in `docs/`? If significant new behavior is added, have you described that in `docs/`? --> No. ## Is hotfix candidate? <!-- Is this PR a hotfix candidate or does it require a notification to be sent to the broader community? (Yes/No) --> No. --------- Co-authored-by: Stephan Behnke <[email protected]>
77 lines
2.7 KiB
Go
77 lines
2.7 KiB
Go
// The MIT License
|
|
//
|
|
// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
|
|
//
|
|
// Copyright (c) 2020 Uber Technologies, Inc.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
package effect
|
|
|
|
import "context"
|
|
|
|
// Buffer holds a set of effect and rollback functions that can be invoked as a
|
|
// batch with a defined order. Once either Apply or Cancel is called, all
|
|
// buffered effects are cleared. This type is not threadsafe. The zero-value of
|
|
// a Buffer is a valid state.
|
|
type Buffer struct {
|
|
effects []func(context.Context)
|
|
cancels []func(context.Context)
|
|
}
|
|
|
|
// OnAfterCommit adds the provided effect function to set of such functions to
|
|
// be invoked when Buffer.Apply is called.
|
|
func (b *Buffer) OnAfterCommit(effect func(context.Context)) {
|
|
b.effects = append(b.effects, effect)
|
|
}
|
|
|
|
// OnAfterRollback adds the provided effect function to set of such functions to
|
|
// be invoked when Buffer.Cancel is called.
|
|
func (b *Buffer) OnAfterRollback(effect func(context.Context)) {
|
|
b.cancels = append(b.cancels, effect)
|
|
}
|
|
|
|
// Apply invokes the buffered effect functions in the order that they were added
|
|
// to this Buffer.
|
|
// It returns true if any effects were applied.
|
|
func (b *Buffer) Apply(ctx context.Context) bool {
|
|
applied := false
|
|
b.cancels = nil
|
|
for _, effect := range b.effects {
|
|
effect(ctx)
|
|
applied = true
|
|
}
|
|
b.effects = nil
|
|
return applied
|
|
}
|
|
|
|
// Cancel invokes the buffered rollback functions in the reverse of the order
|
|
// that they were added to this Buffer.
|
|
// It returns true if any effects were canceled.
|
|
func (b *Buffer) Cancel(ctx context.Context) bool {
|
|
canceled := false
|
|
b.effects = nil
|
|
for i := len(b.cancels) - 1; i >= 0; i-- {
|
|
b.cancels[i](ctx)
|
|
canceled = true
|
|
}
|
|
b.cancels = nil
|
|
return canceled
|
|
}
|