public void createFactoryMethod(boolean hasSingletonScope) {
AbstractJClass narrowedGeneratedClass =
codeModelHelper.narrowGeneratedClass(generatedClass, annotatedElement.asType());
JMethod factoryMethod =
generatedClass.method(PUBLIC | STATIC, narrowedGeneratedClass, GET_INSTANCE_METHOD_NAME);
codeModelHelper.generify(factoryMethod, annotatedElement);
JVar factoryMethodContextParam = factoryMethod.param(getClasses().CONTEXT, "context");
JBlock factoryMethodBody = factoryMethod.body();
/*
* Singletons are bound to the application context
*/
if (hasSingletonScope) {
JFieldVar instanceField =
generatedClass.field(PRIVATE | STATIC, generatedClass, "instance" + generationSuffix());
JBlock creationBlock =
factoryMethodBody //
._if(instanceField.eq(_null())) //
._then();
JVar previousNotifier = viewNotifierHelper.replacePreviousNotifierWithNull(creationBlock);
creationBlock.assign(
instanceField,
_new(narrowedGeneratedClass)
.arg(factoryMethodContextParam.invoke("getApplicationContext")));
creationBlock.invoke(instanceField, getInit());
viewNotifierHelper.resetPreviousNotifier(creationBlock, previousNotifier);
factoryMethodBody._return(instanceField);
} else {
factoryMethodBody._return(_new(narrowedGeneratedClass).arg(factoryMethodContextParam));
}
}
