gitee.com/sy_183/go-common@v1.0.5-0.20231205030221-958cfe129b47/lifecycle.v2/task/task.go (about)

     1  package task
     2  
     3  type Task interface {
     4  	Do(interrupter chan struct{}) (interrupted bool)
     5  }
     6  
     7  type nopTask struct{}
     8  
     9  func Nop() Task {
    10  	return nopTask{}
    11  }
    12  
    13  func (t nopTask) Do(interrupter chan struct{}) (interrupted bool) { return false }
    14  
    15  type interruptedTaskFunc func(interrupter chan struct{}) (interrupted bool)
    16  
    17  func Interrupted(fn func(interrupter chan struct{}) (interrupted bool)) Task {
    18  	if fn == nil {
    19  		return Nop()
    20  	}
    21  	return interruptedTaskFunc(fn)
    22  }
    23  
    24  func (f interruptedTaskFunc) Do(interrupter chan struct{}) (interrupted bool) { return f(interrupter) }
    25  
    26  type uninterruptedTaskFunc func()
    27  
    28  func Func(fn func()) Task {
    29  	if fn == nil {
    30  		return Nop()
    31  	}
    32  	return uninterruptedTaskFunc(fn)
    33  }
    34  
    35  func (f uninterruptedTaskFunc) Do(interrupter chan struct{}) (interrupted bool) {
    36  	f()
    37  	return false
    38  }