Scope

Scope scope = new Scope(graph);
 Constant c = Constant.create(scope, 42);
 

// An operator class that adds a constant.
 public class Constant {
   public static Constant create(Scope scope, ...) {
      scope.graph().opBuilder(
        "Const", scope.makeOpName("Const"))
        .setAttr(...)
        .build()
      ...
   
 }
 }

Scope root = new Scope(graph);

 // The linear subscope will generate names like linear/...
 Scope linear = Scope.withSubScope("linear");

 // This op name will be "linear/W"
 Constant.create(linear.withName("W"), ...);

 // This op will be "linear/Const", using the default
 // name provided by Constant
 Constant.create(linear, ...);

 // This op will be "linear/Const_1", using the default
 // name provided by Constant and making it unique within
 // this scope
 Constant.create(linear, ...);