#1571 Add degree variance evolution operator #1584
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…group reduce and adjust unit test
alwba
changed the title
ChrizZz110
requested changes
Sep 12, 2022
| @@ -0,0 +1,19 @@ | |||
| [#1559] add unit-tests | |||
| * Creates an instance of this group reduce function. | ||
| * | ||
| */ | ||
| public GroupDegreeTreesToVariance() { |
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|
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| if (opt.isPresent()) { | ||
| mean = (double) opt.get() / (double) numberOfVertices; | ||
| opt2 = Optional.of(vertexDegrees.values().stream() |
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Why you are using an optional here?
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Please work with primitive types after fetching the values from the optionals. with Optional::orElse() you can define a value in the case of no value in optional.
| */ | ||
| @FunctionAnnotation.ForwardedFields("f0") | ||
| public class TransformDeltaToAbsoluteDegreeTree | ||
| implements MapFunction<Tuple2<GradoopId, TreeMap<Long, Integer>>, |
| @FunctionAnnotation.ForwardedFields("f0") | ||
| public class TransformDeltaToAbsoluteDegreeTree | ||
| implements MapFunction<Tuple2<GradoopId, TreeMap<Long, Integer>>, | ||
| Tuple2<GradoopId, TreeMap<Long, Integer>>> { |
| Collection<Tuple2<GradoopId, String>> idLabelCollection = new HashSet<>(); | ||
| testGraph.getVertices().map(v -> new Tuple2<>(v.getId(), v.getLabel())) | ||
| .returns(new TypeHint<Tuple2<GradoopId, String>>() { | ||
| }).output(new LocalCollectionOutputFormat<>(idLabelCollection)); |
| @Before | ||
| public void setUp() throws Exception { | ||
| testGraph = getTestGraphWithValues(); | ||
| Collection<Tuple2<GradoopId, String>> idLabelCollection = new HashSet<>(); |
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