test_class.declarator: factory = new FlatMapStageFactory()
test_class.modifier: private final
test_class.original_string: private final FlatMapStageFactory factory = new FlatMapStageFactory();
test_class.type: FlatMapStageFactory
test_class.var_name: factory
test_class.declarator: executor = Executors.newSingleThreadExecutor()
test_class.modifier: private final
test_class.original_string: private final ExecutorService executor = Executors.newSingleThreadExecutor();
test_class.type: ExecutorService
test_class.var_name: executor
test_class.file: implementation/src/test/java/io/smallrye/reactive/streams/stages/FlatMapStageFactoryTest.java
test_class.identifier: FlatMapStageFactoryTest
test_class.superclass: extends StageTestBase
test_case.body: @Test(expected = NullPointerException.class)
      public void createWithoutStage() {
          factory.create(null, null);
      }
test_case.class_method_signature: FlatMapStageFactoryTest.createWithoutStage()
test_case.full_signature: @Test(expected = NullPointerException.class) public void createWithoutStage()
test_case.identifier: createWithoutStage
test_case.invocations: create
test_case.modifiers: @Test(expected = NullPointerException.class) public
test_case.parameters: ()
test_case.return: void
test_case.signature: void createWithoutStage()
focal_class.file: implementation/src/main/java/io/smallrye/reactive/streams/stages/FlatMapStageFactory.java
focal_class.identifier: FlatMapStageFactory
focal_class.interfaces: implements ProcessingStageFactory<Stage.FlatMap>
focal_class.class_method_signature: FlatMapStageFactory.create(Engine engine, Stage.FlatMap stage)
focal_class.full_signature: @Override public ProcessingStage<I, O> create(Engine engine, Stage.FlatMap stage)
focal_class.identifier: create
focal_class.modifiers: @Override public
focal_class.parameters: (Engine engine, Stage.FlatMap stage)
focal_class.return: ProcessingStage<I, O>
focal_class.signature: ProcessingStage<I, O> create(Engine engine, Stage.FlatMap stage)
focal_method.body: @Override
      public <I, O> ProcessingStage<I, O> create(Engine engine, Stage.FlatMap stage) {
          Function<I, Graph> mapper = Casts.cast(stage.getMapper());
          return new FlatMapStage<>(engine, mapper);
      }
focal_method.class_method_signature: FlatMapStageFactory.create(Engine engine, Stage.FlatMap stage)
focal_method.full_signature: @Override public ProcessingStage<I, O> create(Engine engine, Stage.FlatMap stage)
focal_method.identifier: create
focal_method.invocations: cast getMapper
focal_method.modifiers: @Override public
focal_method.parameters: (Engine engine, Stage.FlatMap stage)
focal_method.return: ProcessingStage<I, O>
focal_method.signature: ProcessingStage<I, O> create(Engine engine, Stage.FlatMap stage)