fix(graph): implement native object deduplication across GraphContext and wipe database directory on export

Author: h4xr

TestPrinter.java

@@ -0,0 +1,21 @@
+import com.github.javaparser.StaticJavaParser;
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.body.MethodDeclaration;
+import java.util.Optional;
+
+public class TestPrinter {
+    public static void main(String[] args) {
+        String code = "public class A {\n" +
+                      "    public void foo() {\n" +
+                      "        System.out.println(\"Hello World\");\n" +
+                      "    }\n" +
+                      "}\n";
+        CompilationUnit cu = StaticJavaParser.parse(code);
+        cu.findAll(MethodDeclaration.class).forEach(n -> {
+            System.out.println("--- toString ---");
+            System.out.println(n.toString());
+            System.out.println("--- token range ---");
+            System.out.println(n.getTokenRange().map(Object::toString).orElse("ERR"));
+        });
+    }
+}

build-standalone.sh

@@ -14,7 +14,6 @@ rm -rf custom-jre dist
 echo "Creating custom minimal JRE..."
 jlink --add-modules "$MODULES" --bind-services --strip-debug --no-man-pages --no-header-files --compress=2 --output custom-jre
 
-echo "Packaging with jpackage into standalone executable..."
-jpackage --type app-image --name java2graph --input target --main-jar java2graph-1.0-SNAPSHOT-jar-with-dependencies.jar --main-class com.neuvem.java2graph.Main --runtime-image custom-jre --dest dist
+jpackage --type app-image --name java2graph --input target --main-jar java2graph-1.0-SNAPSHOT-jar-with-dependencies.jar --main-class com.neuvem.java2graph.Main --runtime-image custom-jre --dest dist --java-options "-Xmx8G"
 
 echo "Done! Standalone binary created at dist/"

compare.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+function query_counts() {
+  local db=$1
+  echo "Comparing against $db"
+  echo "Class count:"
+  echo "MATCH (n:Class) RETURN count(*);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Method count:"
+  echo "MATCH (n:Method) RETURN count(*);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Calls count:"
+  echo "MATCH ()-[r:Calls]->() RETURN count(r);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Extends count:"
+  echo "MATCH ()-[r:Extends]->() RETURN count(r);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Defines count:"
+  echo "MATCH ()-[r:Defines]->() RETURN count(r);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Implements count:"
+  echo "MATCH ()-[r:Implements]->() RETURN count(r);" | lbug "$db" -r | grep -A 1 '│'
+}
+
+query_counts "/Users/saurabh/logging-log4j2/decypher.db"
+query_counts "/Users/saurabh/neuvem/java2graph/decypher.db"

compare_kafka.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+function query_counts() {
+  local db=$1
+  echo "Analyzing $db"
+  echo "Class count:"
+  echo "MATCH (n:Class) RETURN count(*);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Method count:"
+  echo "MATCH (n:Method) RETURN count(*);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Calls count:"
+  echo "MATCH ()-[r:Calls]->() RETURN count(r);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Extends count:"
+  echo "MATCH ()-[r:Extends]->() RETURN count(r);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Defines count:"
+  echo "MATCH ()-[r:Defines]->() RETURN count(r);" | lbug "$db" -r | grep -A 1 '│'
+  echo "Implements count:"
+  echo "MATCH ()-[r:Implements]->() RETURN count(r);" | lbug "$db" -r | grep -A 1 '│'
+}
+
+query_counts "/Users/saurabh/products/benchmarks/kafka/test/decypher.db"