mirror of
https://gitee.com/milvus-io/milvus.git
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71 lines
2.1 KiB
Go
71 lines
2.1 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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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package rootcoord
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import (
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"context"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/pkg/log"
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)
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type baseRedoTask struct {
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syncTodoStep []nestedStep // steps to execute synchronously
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asyncTodoStep []nestedStep // steps to execute asynchronously
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stepExecutor StepExecutor
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}
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func newBaseRedoTask(stepExecutor StepExecutor) *baseRedoTask {
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return &baseRedoTask{
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syncTodoStep: make([]nestedStep, 0),
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asyncTodoStep: make([]nestedStep, 0),
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stepExecutor: stepExecutor,
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}
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}
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func (b *baseRedoTask) AddSyncStep(step nestedStep) {
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b.syncTodoStep = append(b.syncTodoStep, step)
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}
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func (b *baseRedoTask) AddAsyncStep(step nestedStep) {
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b.asyncTodoStep = append(b.asyncTodoStep, step)
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}
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func (b *baseRedoTask) redoAsyncSteps() {
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l := len(b.asyncTodoStep)
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steps := make([]nestedStep, 0, l)
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for i := l - 1; i >= 0; i-- {
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steps = append(steps, b.asyncTodoStep[i])
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}
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b.asyncTodoStep = nil // make baseRedoTask can be collected.
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b.stepExecutor.AddSteps(&stepStack{steps: steps})
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}
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func (b *baseRedoTask) Execute(ctx context.Context) error {
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for i := 0; i < len(b.syncTodoStep); i++ {
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todo := b.syncTodoStep[i]
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// no children step in sync steps.
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if _, err := todo.Execute(ctx); err != nil {
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log.Error("failed to execute step", zap.Error(err), zap.String("desc", todo.Desc()))
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return err
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}
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}
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go b.redoAsyncSteps()
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return nil
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}
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