test_class.declarator: factory = new FilterStageFactory()
test_class.modifier: private final
test_class.original_string: private final FilterStageFactory factory = new FilterStageFactory();
test_class.type: FilterStageFactory
test_class.var_name: factory
test_class.file: implementation/src/test/java/io/smallrye/reactive/streams/stages/FilterStageFactoryTest.java
test_class.identifier: FilterStageFactoryTest
test_class.superclass: extends StageTestBase
test_case.body: @Test(expected = NullPointerException.class)
      public void createWithoutPredicate() {
          factory.create(null, () -> null);
      }
test_case.class_method_signature: FilterStageFactoryTest.createWithoutPredicate()
test_case.full_signature: @Test(expected = NullPointerException.class) public void createWithoutPredicate()
test_case.identifier: createWithoutPredicate
test_case.invocations: create
test_case.modifiers: @Test(expected = NullPointerException.class) public
test_case.parameters: ()
test_case.return: void
test_case.signature: void createWithoutPredicate()
focal_class.file: implementation/src/main/java/io/smallrye/reactive/streams/stages/FilterStageFactory.java
focal_class.identifier: FilterStageFactory
focal_class.interfaces: implements ProcessingStageFactory<Stage.Filter>
focal_class.class_method_signature: FilterStageFactory.create(Engine engine, Stage.Filter stage)
focal_class.full_signature: @SuppressWarnings("unchecked") @Override public ProcessingStage<I, O> create(Engine engine, Stage.Filter stage)
focal_class.identifier: create
focal_class.modifiers: @SuppressWarnings("unchecked") @Override public
focal_class.parameters: (Engine engine, Stage.Filter stage)
focal_class.return: ProcessingStage<I, O>
focal_class.signature: ProcessingStage<I, O> create(Engine engine, Stage.Filter stage)
focal_method.body: @SuppressWarnings("unchecked")
      @Override
      public <I, O> ProcessingStage<I, O> create(Engine engine, Stage.Filter stage) {
          Objects.requireNonNull(stage);
          Predicate predicate = Objects.requireNonNull(stage.getPredicate());
          return source -> (Flowable<O>) source.filter(predicate::test);
      }
focal_method.class_method_signature: FilterStageFactory.create(Engine engine, Stage.Filter stage)
focal_method.full_signature: @SuppressWarnings("unchecked") @Override public ProcessingStage<I, O> create(Engine engine, Stage.Filter stage)
focal_method.identifier: create
focal_method.invocations: requireNonNull requireNonNull getPredicate filter
focal_method.modifiers: @SuppressWarnings("unchecked") @Override public
focal_method.parameters: (Engine engine, Stage.Filter stage)
focal_method.return: ProcessingStage<I, O>
focal_method.signature: ProcessingStage<I, O> create(Engine engine, Stage.Filter stage)