Add report with all pairs shortest paths distribution for dependencies

Author: JohT

cypher/Dependencies_Projection/Dependencies_12_Get_Projection_Statistics.cypher

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+// Get dependency projection statistics
+
+ CALL gds.graph.list($dependencies_projection + '-cleaned')
+YIELD nodeCount, relationshipCount, density, sizeInBytes, degreeDistribution
+RETURN nodeCount
+      ,relationshipCount
+      ,density
+      ,sizeInBytes
+      ,degreeDistribution.min
+      ,degreeDistribution.mean
+      ,degreeDistribution.max
+      ,degreeDistribution.p50
+      ,degreeDistribution.p75
+      ,degreeDistribution.p90
+      ,degreeDistribution.p95
+      ,degreeDistribution.p99
+      ,degreeDistribution.p999

cypher/Path_Finding/Path_Finding_5_All_pairs_shortest_paths_distribution.cypher

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+// Path Finding - All shortest paths algorithm - Stream
+
+  CALL gds.allShortestPaths.stream($dependencies_projection + '-cleaned')
+ YIELD sourceNodeId, targetNodeId, distance
+ WHERE gds.util.isFinite(distance) = true
+  WITH gds.util.asNode(sourceNodeId) AS source
+      ,gds.util.asNode(targetNodeId) AS target
+      ,toInteger(distance)           AS distance
+      ,sourceNodeId
+      ,targetNodeId
+MATCH (project:P)
+OPTIONAL MATCH (artifact:Artifact)-[:CONTAINS]->(codeUnit)
+ WHERE sourceNodeId <> targetNodeId
+RETURN distance
+      ,count(*)                     AS pairCount
+      ,count(DISTINCT sourceNodeId) AS sourceNodeCount
+      ,count(DISTINCT targetNodeId) AS targetNodeCount
+      ,collect(DISTINCT source.fileName + ' ->' + target.fileName)[0..2] AS examples
+ORDER BY distance

cypher/Path_Finding/Path_Finding_6_Longest_paths_distribution.cypher

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+// Longest paths distribution
+
+  CALL gds.dag.longestPath.stream($dependencies_projection + '-cleaned')
+ YIELD index, sourceNode, targetNode, totalCost, nodeIds, costs, path
+RETURN toInteger(totalCost) AS totalCost
+      ,count(*)             AS nodeCount
+ORDER BY totalCost

cypher/Path_Finding/Set_Parameters.cypher

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+// Example on how to set the parameters for centrality in this case for Packages and PageRank
+
+:params {
+    "dependencies_projection": "package-path-finding",     
+    "dependencies_projection_node": "Package",
+    "dependencies_projection_weight_property": "weight25PercentInterfaces",
+}