New translations node_map.py (Chinese Simplified)

lang/zh/gklearn/ged/env/node_map.py

@@ -0,0 +1,102 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Created on Wed Apr 22 11:31:26 2020
+
+@author: ljia
+"""
+import numpy as np
+from gklearn.utils import dummy_node, undefined_node
+
+
+class NodeMap(object):
+	
+	def __init__(self, num_nodes_g, num_nodes_h):
+		self.__forward_map = [undefined_node()] * num_nodes_g
+		self.__backward_map = [undefined_node()] * num_nodes_h
+		self.__induced_cost = np.inf
+		
+		
+	def clear(self):
+		"""
+	/*!
+	 * @brief Clears the node map.
+	 */
+		"""
+		self.__forward_map = [undefined_node() for i in range(len(self.__forward_map))]
+		self.__backward_map = [undefined_node() for i in range(len(self.__backward_map))]
+		
+		
+	def num_source_nodes(self):
+		return len(self.__forward_map)
+	
+	
+	def num_target_nodes(self):
+		return len(self.__backward_map)
+	
+	
+	def image(self, node):
+		if node < len(self.__forward_map):
+			return self.__forward_map[node]
+		else:
+			raise Exception('The node with ID ', str(node), ' is not contained in the source nodes of the node map.')
+		return undefined_node()
+	
+	
+	def pre_image(self, node):
+		if node < len(self.__backward_map):
+			return self.__backward_map[node]
+		else:
+			raise Exception('The node with ID ', str(node), ' is not contained in the target nodes of the node map.')
+		return undefined_node()
+	
+	
+	def as_relation(self, relation):
+		relation.clear()
+		for i in range(0, len(self.__forward_map)):
+			k = self.__forward_map[i]
+			if k != undefined_node():
+				relation.append(tuple((i, k)))
+		for k in range(0, len(self.__backward_map)):
+			i = self.__backward_map[k]
+			if i == dummy_node():
+				relation.append(tuple((i, k)))
+	
+	
+	def add_assignment(self, i, k):
+		if i != dummy_node():
+			if i < len(self.__forward_map):
+				self.__forward_map[i] = k
+			else:
+				raise Exception('The node with ID ', str(i), ' is not contained in the source nodes of the node map.')
+		if k != dummy_node():
+			if k < len(self.__backward_map):
+				self.__backward_map[k] = i
+			else:
+				raise Exception('The node with ID ', str(k), ' is not contained in the target nodes of the node map.')
+	
+	
+	def set_induced_cost(self, induced_cost):
+		self.__induced_cost = induced_cost
+		
+		
+	def induced_cost(self):
+		return self.__induced_cost
+	
+	
+	@property
+	def forward_map(self):
+		return self.__forward_map
+
+	@forward_map.setter
+	def forward_map(self, value):
+		self.__forward_map = value	
+		
+		
+	@property
+	def backward_map(self):
+		return self.__backward_map
+
+	@backward_map.setter
+	def backward_map(self, value):
+		self.__backward_map = value