25 lines
659 B
Python
25 lines
659 B
Python
|
from typing import Callable
|
||
|
|
|
||
|
|
from cpl_core.type import T
|
||
|
|
|
||
|
|
|
||
|
|
class Observer:
|
||
|
|
def __init__(self, on_next: Callable, on_error: Callable = None, on_complete: Callable = None):
|
||
|
|
self._on_next = on_next
|
||
|
|
self._on_error = on_error if on_error is not None else lambda err: err
|
||
|
|
self._on_complete = on_complete if on_complete is not None else lambda x: x
|
||
|
|
|
||
|
|
def next(self, value: T):
|
||
|
|
self._on_next(value)
|
||
|
|
|
||
|
|
def error(self, ex: Exception):
|
||
|
|
if self._on_error is None:
|
||
|
|
return
|
||
|
|
self._on_error(ex)
|
||
|
|
|
||
|
|
def complete(self):
|
||
|
|
if self._on_complete is None:
|
||
|
|
return
|
||
|
|
|
||
|
|
self._on_complete()
|