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116 lines
2.1 KiB
Go
116 lines
2.1 KiB
Go
package tasks
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import (
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"context"
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"math/rand"
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"time"
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"github.com/milvus-io/milvus/pkg/util/timerecord"
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)
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var (
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_ Task = &MockTask{}
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_ MergeTask = &MockTask{}
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)
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type mockTaskConfig struct {
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ctx context.Context
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mergeAble bool
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nq int64
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username string
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executeCost time.Duration
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execution func(ctx context.Context) error
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}
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func newMockTask(c mockTaskConfig) Task {
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if c.ctx == nil {
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c.ctx = context.Background()
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}
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if c.nq == 0 {
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c.nq = 1
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}
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if c.executeCost == 0 {
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c.executeCost = time.Duration((rand.Int31n(4) + 1) * int32(time.Second))
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}
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return &MockTask{
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ctx: c.ctx,
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executeCost: c.executeCost,
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notifier: make(chan error, 1),
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mergeAble: c.mergeAble,
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nq: c.nq,
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username: c.username,
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execution: c.execution,
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tr: timerecord.NewTimeRecorderWithTrace(c.ctx, "searchTask"),
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}
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}
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type MockTask struct {
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ctx context.Context
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executeCost time.Duration
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notifier chan error
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mergeAble bool
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nq int64
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username string
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execution func(ctx context.Context) error
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tr *timerecord.TimeRecorder
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}
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// QueryTypeMetricLabel Return Metric label for metric label.
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func (t *MockTask) QueryTypeMetricLabel() string {
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return "mock"
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}
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func (t *MockTask) Username() string {
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return t.username
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}
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func (t *MockTask) TimeRecorder() *timerecord.TimeRecorder {
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return t.tr
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}
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func (t *MockTask) PreExecute() error {
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return nil
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}
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func (t *MockTask) Execute() error {
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var err error
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time.Sleep(t.executeCost)
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if t.execution != nil {
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err = t.execution(t.ctx)
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}
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return err
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}
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func (t *MockTask) Done(err error) {
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t.notifier <- err
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}
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func (t *MockTask) Canceled() error {
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return t.ctx.Err()
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}
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func (t *MockTask) Wait() error {
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return <-t.notifier
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}
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// Return the context of task.
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func (t *MockTask) Context() context.Context {
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return t.ctx
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}
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func (t *MockTask) MergeWith(t2 Task) bool {
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switch t2 := t2.(type) {
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case *MockTask:
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if t.mergeAble && t2.mergeAble {
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t.nq += t2.nq
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t.executeCost += t2.executeCost
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return true
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}
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}
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return false
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}
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func (t *MockTask) NQ() int64 {
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return t.nq
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}
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