public void applyHeuristics(InjectingComponentType componentType, Class<?> implClass, IntrospectionContext context) { serviceHeuristic.applyHeuristics(componentType, implClass, context); if (componentType.getConstructor() == null) { Signature ctor = findConstructor(implClass, componentType, context); componentType.setConstructor(ctor); } if (componentType.getProperties().isEmpty() && componentType.getReferences().isEmpty() && componentType.getResourceReferences().isEmpty()) { evaluateConstructor(componentType, implClass, context); evaluateSetters(componentType, implClass, context); evaluateFields(componentType, implClass, context); } if (componentType.getInitMethod() == null) { Signature setUp = getCallback(implClass, "setUp"); if (setUp == null) { setUp = getCallback(implClass, Before.class); } componentType.setInitMethod(setUp); } if (componentType.getDestroyMethod() == null) { Signature tearDown = getCallback(implClass, "tearDown"); if (tearDown == null) { tearDown = getCallback(implClass, After.class); } componentType.setDestroyMethod(tearDown); } }