Add dependencyDegree/Weighted/Rank to code unit nodes

Author: JohT

cypher/Metrics/Set_Dependency_Degree.cypher

@@ -0,0 +1,14 @@
+// Set "dependencyDegree" and "dependencyDegreeWeighted" on all nodes containing a property for incoming or outgoing dependencies. Requires all "Set_Incoming*.cypher" and "Set_Outgoing*.cypher".
+
+   MATCH (dependency)
+   WHERE (dependency.incomingDependencies IS NOT NULL OR dependency.outgoingDependencies IS NOT NULL)
+    WITH dependency
+        ,coalesce(dependency.incomingDependencies, 0)       AS inDegree
+        ,coalesce(dependency.outgoingDependencies, 0)       AS outDegree
+        ,coalesce(dependency.incomingDependenciesWeight, 0) AS inDegreeWeighted
+        ,coalesce(dependency.outgoingDependenciesWeight, 0) AS outDegreeWeighted
+     SET dependency.dependencyDegree         = inDegree         + outDegree
+        ,dependency.dependencyDegreeWeighted = inDegreeWeighted + outDegreeWeighted
+  RETURN count(*)                                 AS writtenNodes
+        ,max(dependency.dependencyDegree)         AS maxDependencyDegree 
+        ,max(dependency.dependencyDegreeWeighted) AS maxDependencyDegreeWeighted

cypher/Metrics/Set_Dependency_Degree_Rank.cypher

@@ -0,0 +1,14 @@
+// Set "dependencyDegreeRank" on all nodes containing a "dependencyDegree" property. Requires "Set_Degree.cypher".
+
+   MATCH (dependency)
+   WHERE dependency.dependencyDegree IS NOT NULL
+    WITH dependency.dependencyDegree AS degree, collect(dependency) AS group
+   ORDER BY degree DESC
+    WITH collect({degree: degree, nodes: group}) AS groups
+  UNWIND range(0, size(groups) - 1) AS rowIndex
+    WITH rowIndex
+        ,groups[rowIndex] AS group 
+  UNWIND group.nodes AS dependency
+     SET dependency.dependencyDegreeRank = rowIndex + 1
+  RETURN count(*)                             AS writtenNodes
+        ,max(dependency.dependencyDegreeRank) AS maxDependencyDegreeRank

domains/anomaly-detection/labels/AnomalyDetectionTopAnomalies.cypher

@@ -21,6 +21,7 @@ OPTIONAL MATCH (projectRoot:Directory)<-[:HAS_ROOT]-(proj:TS:Project)-[:CONTAINS
         ,coalesce(codeUnit.anomalyBridgeRank, 0)           AS bridgeRank
         ,coalesce(codeUnit.anomalyHubRank, 0)              AS hubRank
         ,coalesce(codeUnit.anomalyOutlierRank, 0)          AS outlierRank
+        ,coalesce(codeUnit.dependencyDegreeRank, 0)        AS degreeRank
         ,codeUnit.anomalyTopFeature1                       AS topFeature1
         ,codeUnit.anomalyTopFeature2                       AS topFeature2
         ,codeUnit.anomalyTopFeature3                       AS topFeature3

scripts/prepareAnalysis.sh

@@ -121,6 +121,10 @@ execute_cypher_summarized "${METRICS_CYPHER_DIR}/Set_Outgoing_Typescript_Module_
 execute_cypher_summarized "${METRICS_CYPHER_DIR}/Set_Incoming_Java_Package_Dependencies.cypher"
 execute_cypher_summarized "${METRICS_CYPHER_DIR}/Set_Outgoing_Java_Package_Dependencies.cypher"
 
+# Preparation - Language agnostic node properties "dependencyDegree", "dependencyDegreeWeighted", "dependencyDegreeRank"
+execute_cypher_summarized "${METRICS_CYPHER_DIR}/Set_Dependency_Degree.cypher"
+execute_cypher_summarized "${METRICS_CYPHER_DIR}/Set_Dependency_DegreeRank.cypher"
+
 # Preparation - Add Java Method node property "declaringType"
 execute_cypher "${TYPES_CYPHER_DIR}/Set_declaring_type_on_method_nodes.cypher"