- big refactor tasksch

business/jxutils/tasksch/task.go

@@ -2,6 +2,7 @@ package tasksch
 
 import (
 	"encoding/json"
+	"fmt"
 	"sync"
 	"time"
 
@@ -37,6 +38,7 @@ type ITask interface {
 
 	AddChild(task ITask)
 	GetChildren() TaskList
+	SetParent(parentTask ITask)
 
 	json.Marshaler
 }
@@ -69,6 +71,7 @@ type BaseTask struct {
 	quitChan   chan int
 
 	locker sync.RWMutex
+	parent ITask
 }
 
 func (s TaskList) Len() int {
@@ -199,6 +202,16 @@ func (t *BaseTask) GetChildren() (children TaskList) {
 	return children
 }
 
+func (t *BaseTask) SetParent(parentTask ITask) {
+	t.locker.Lock()
+	defer t.locker.Unlock()
+
+	if t.parent != nil {
+		panic(fmt.Sprintf("task:%s already have parent!", utils.Format4Output(t, false)))
+	}
+	t.parent = parentTask
+}
+
 /////////
 
 func (t *BaseTask) MarshalJSON() ([]byte, error) {