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package ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.metrics
import ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.graph.GraphStatistic
import java.util.ArrayList
import java.util.HashMap
class NodeTypeMetric extends Metric {
override evaluate(GraphStatistic g) {
var map = evaluateSamples(g) as HashMap<String, Double>;
var output = new ArrayList<String[]>();
output.add(newArrayList('Node Type'));
var keys = map.keySet;
var values = newArrayList();
for(key : keys){
values.add(map.get(key)+'');
}
output.add(keys);
output.add(values);
return output;
}
override evaluateSamples(GraphStatistic g) {
var map = new HashMap<String, Double>();
var nodes = g.allNodes;
var single = 1.0 / nodes.size();
var nodeToType = g.nodeToTypesMap;
for(node : nodes){
for(cl : nodeToType.get(node)){
var value = map.getOrDefault(cl, 0.0);
map.put(cl, value + single);
}
}
return map;
}
}
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