Package concurrent_tree_crawler :: Module abstract_node :: Class AbstractNode

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Class AbstractNode

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A node representing a single element of the tree traversed by the crawler

Instance Methods

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__str__(self)

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_has_children(self, state)
An auxiliary method used only by the all_children_are_in_one_of_states method

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AbstractNode

add_child(self, child_name, state)
Returns: added child node

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all_children_are_in_one_of_states(self, states)
Returns: True iff all children are in one of the given states source code

AbstractNode

get_child(self, name)

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list of AbstractNodes

get_children(self)

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threading.Condition

get_children_cond(self)
Returns: condition object related to the children of this node

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get_name(self)
Returns: name of the node.

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AbstractNode, it is None if the node is the sentinel node

get_parent(self)

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NodeState

get_state(self)
Returns: state of the node

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has_child(self, name)
Returns: True if node has child with given name

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set_state(self, new_state)

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AbstractNode

update_and_get_child(self, possible_children_names)

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Method Details

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_has_children(self, state)

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An auxiliary method used only by the all_children_are_in_one_of_states method

Parameters:

state (NodeState)

Returns:

True iff the node has at least one child in given state

add_child(self, child_name, state)

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Parameters:

state (NodeState)

Returns: AbstractNode

added child node

all_children_are_in_one_of_states(self, states)

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Parameters:

states (set of NodeStates)

Returns:

True iff all children are in one of the given states

get_children_cond(self)

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Returns: threading.Condition: condition object related to the children of this node

get_name(self)

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Returns:: name of the node. It should be unique among children of this node's parent

get_state(self)

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Returns: NodeState: state of the node

has_child(self, name)

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Returns:: True if node has child with given name

set_state(self, new_state)

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Parameters:

new_state (NodeState) - new state of the node