String key = getResourceKey(operatorClass, KEY_SUFFIX_IMPLEMENTATION);
if (key != null && environment.isResourceGenerated(key)) {
return;
}
ModelFactory f = environment.getFactory();
PackageDeclaration packageDecl = getPackage(f, operatorClass);
ImportBuilder imports = getImportBuilder(f, packageDecl);
OperatorClassGenerator generator = new OperatorImplementationClassGenerator(
environment,
f,
imports,