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from .queued_node import QueuedNode
class QueuedObject(QueuedNode):
"""Base object for all leafs in the call tree."""
def __init__(self, caller_info):
super(QueuedObject, self).__init__()
self.caller_info = caller_info
def matches(self, queue_object):
"""Returns True if the object matches queue_object. Implemented by derived classes."""
raise NotImplementedError() # pragma: no cover
def describe(self):
raise NotImplementedError() # pragma: no cover
def __repr__(self):
return "<%s>" % self.describe()
def __len__(self):
return 1
def pop_matching(self, queue_object):
if not self.matches(queue_object):
return None
if self.get_parent():
self.get_parent().discard_child(self)
return self
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