src/jdk.internal.vm.compiler/share/classes/org.graalvm.graphio/src/org/graalvm/graphio/ProtocolImpl.java

*** 32,44 ****
      private final GraphStructure<Graph, Node, NodeClass, Port> structure;
      private final GraphTypes types;
      private final GraphBlocks<Graph, Block, Node> blocks;
      private final GraphElements<ResolvedJavaMethod, ResolvedJavaField, Signature, NodeSourcePosition> elements;
  
!     ProtocolImpl(GraphStructure<Graph, Node, NodeClass, Port> structure, GraphTypes enums, GraphBlocks<Graph, Block, Node> blocks,
                      GraphElements<ResolvedJavaMethod, ResolvedJavaField, Signature, NodeSourcePosition> elements, WritableByteChannel channel) throws IOException {
!         super(channel);
          this.structure = structure;
          this.types = enums;
          this.blocks = blocks;
          this.elements = elements;
      }
--- 32,53 ----
      private final GraphStructure<Graph, Node, NodeClass, Port> structure;
      private final GraphTypes types;
      private final GraphBlocks<Graph, Block, Node> blocks;
      private final GraphElements<ResolvedJavaMethod, ResolvedJavaField, Signature, NodeSourcePosition> elements;
  
!     ProtocolImpl(int major, int minor, GraphStructure<Graph, Node, NodeClass, Port> structure, GraphTypes enums, GraphBlocks<Graph, Block, Node> blocks,
                      GraphElements<ResolvedJavaMethod, ResolvedJavaField, Signature, NodeSourcePosition> elements, WritableByteChannel channel) throws IOException {
!         super(channel, major, minor);
!         this.structure = structure;
!         this.types = enums;
!         this.blocks = blocks;
!         this.elements = elements;
!     }
! 
!     ProtocolImpl(GraphProtocol<?, ?, ?, ?, ?, ?, ?, ?, ?> parent, GraphStructure<Graph, Node, NodeClass, Port> structure, GraphTypes enums, GraphBlocks<Graph, Block, Node> blocks,
!                     GraphElements<ResolvedJavaMethod, ResolvedJavaField, Signature, NodeSourcePosition> elements) {
!         super(parent);
          this.structure = structure;
          this.types = enums;
          this.blocks = blocks;
          this.elements = elements;
      }
*** 47,61 ****
--- 56,80 ----
      protected Graph findGraph(Graph current, Object obj) {
          return structure.graph(current, obj);
      }
  
      @Override
+     protected Node findNode(Object obj) {
+         return structure.node(obj);
+     }
+ 
+     @Override
      protected NodeClass findNodeClass(Object obj) {
          return structure.nodeClass(obj);
      }
  
      @Override
+     protected NodeClass findClassForNode(Node obj) {
+         return structure.classForNode(obj);
+     }
+ 
+     @Override
      protected String findNameTemplate(NodeClass clazz) {
          return structure.nameTemplate(clazz);
      }
  
      @Override