@Test
public void prototypeCreationIsFastEnough() {
if (factoryLog.isTraceEnabled() || factoryLog.isDebugEnabled()) {
// Skip this test: Trace logging blows the time limit.
return;
}
GenericApplicationContext ac = new GenericApplicationContext();
RootBeanDefinition rbd = new RootBeanDefinition(TestBean.class);
rbd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
rbd.getConstructorArgumentValues().addGenericArgumentValue("#{systemProperties.name}");
rbd.getPropertyValues().add("country", "#{systemProperties.country}");
ac.registerBeanDefinition("test", rbd);
ac.refresh();
StopWatch sw = new StopWatch();
sw.start("prototype");
System.getProperties().put("name", "juergen");
System.getProperties().put("country", "UK");
try {
for (int i = 0; i < 100000; i++) {
TestBean tb = (TestBean) ac.getBean("test");
assertEquals("juergen", tb.getName());
assertEquals("UK", tb.getCountry());
}
sw.stop();
} finally {
System.getProperties().remove("country");
System.getProperties().remove("name");
}
assertTrue(
"Prototype creation took too long: " + sw.getTotalTimeMillis(),
sw.getTotalTimeMillis() < 6000);
}
@Test
public void prototypeCreationReevaluatesExpressions() {
GenericApplicationContext ac = new GenericApplicationContext();
AnnotationConfigUtils.registerAnnotationConfigProcessors(ac);
RootBeanDefinition rbd = new RootBeanDefinition(PrototypeTestBean.class);
rbd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
rbd.getPropertyValues().add("country", "#{systemProperties.country}");
rbd.getPropertyValues().add("country2", new TypedStringValue("#{systemProperties.country}"));
ac.registerBeanDefinition("test", rbd);
ac.refresh();
try {
System.getProperties().put("name", "juergen1");
System.getProperties().put("country", "UK1");
PrototypeTestBean tb = (PrototypeTestBean) ac.getBean("test");
assertEquals("juergen1", tb.getName());
assertEquals("UK1", tb.getCountry());
assertEquals("UK1", tb.getCountry2());
System.getProperties().put("name", "juergen2");
System.getProperties().put("country", "UK2");
tb = (PrototypeTestBean) ac.getBean("test");
assertEquals("juergen2", tb.getName());
assertEquals("UK2", tb.getCountry());
assertEquals("UK2", tb.getCountry2());
} finally {
System.getProperties().remove("name");
System.getProperties().remove("country");
}
}
@Test
public void testResourceInjectionWithResolvableDependencyType() {
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
CommonAnnotationBeanPostProcessor bpp = new CommonAnnotationBeanPostProcessor();
bpp.setBeanFactory(bf);
bf.addBeanPostProcessor(bpp);
RootBeanDefinition abd = new RootBeanDefinition(ExtendedResourceInjectionBean.class);
abd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
bf.registerBeanDefinition("annotatedBean", abd);
RootBeanDefinition tbd = new RootBeanDefinition(TestBean.class);
tbd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
bf.registerBeanDefinition("testBean4", tbd);
bf.registerResolvableDependency(BeanFactory.class, bf);
bf.registerResolvableDependency(INestedTestBean.class, new ObjectFactory<Object>() {
@Override
public Object getObject() throws BeansException {
return new NestedTestBean();
}
});
PropertyPlaceholderConfigurer ppc = new PropertyPlaceholderConfigurer();
Properties props = new Properties();
props.setProperty("tb", "testBean4");
ppc.setProperties(props);
ppc.postProcessBeanFactory(bf);
ExtendedResourceInjectionBean bean = (ExtendedResourceInjectionBean) bf.getBean("annotatedBean");
INestedTestBean tb = bean.getTestBean6();
assertNotNull(tb);
ExtendedResourceInjectionBean anotherBean = (ExtendedResourceInjectionBean) bf.getBean("annotatedBean");
assertNotSame(anotherBean, bean);
assertNotSame(anotherBean.getTestBean6(), tb);
String[] depBeans = bf.getDependenciesForBean("annotatedBean");
assertEquals(1, depBeans.length);
assertEquals("testBean4", depBeans[0]);
}
@Test
public void testResourceInjectionWithPrototypes() {
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
CommonAnnotationBeanPostProcessor bpp = new CommonAnnotationBeanPostProcessor();
bpp.setResourceFactory(bf);
bf.addBeanPostProcessor(bpp);
RootBeanDefinition abd = new RootBeanDefinition(ResourceInjectionBean.class);
abd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
bf.registerBeanDefinition("annotatedBean", abd);
RootBeanDefinition tbd1 = new RootBeanDefinition(TestBean.class);
tbd1.setScope(BeanDefinition.SCOPE_PROTOTYPE);
bf.registerBeanDefinition("testBean", tbd1);
RootBeanDefinition tbd2 = new RootBeanDefinition(TestBean.class);
tbd2.setScope(BeanDefinition.SCOPE_PROTOTYPE);
bf.registerBeanDefinition("testBean2", tbd2);
ResourceInjectionBean bean = (ResourceInjectionBean) bf.getBean("annotatedBean");
assertTrue(bean.initCalled);
assertTrue(bean.init2Called);
assertTrue(bean.init3Called);
TestBean tb = bean.getTestBean();
TestBean tb2 = bean.getTestBean2();
assertNotNull(tb);
assertNotNull(tb2);
ResourceInjectionBean anotherBean = (ResourceInjectionBean) bf.getBean("annotatedBean");
assertNotSame(anotherBean, bean);
assertNotSame(anotherBean.getTestBean(), tb);
assertNotSame(anotherBean.getTestBean2(), tb2);
bf.destroyBean("annotatedBean", bean);
assertTrue(bean.destroyCalled);
assertTrue(bean.destroy2Called);
assertTrue(bean.destroy3Called);
}
public void testSerializability() throws Exception {
MutablePropertyValues tsPvs = new MutablePropertyValues();
tsPvs.addPropertyValue("targetBeanName", "person");
RootBeanDefinition tsBd = new RootBeanDefinition(TestTargetSource.class, tsPvs);
MutablePropertyValues pvs = new MutablePropertyValues();
RootBeanDefinition bd = new RootBeanDefinition(SerializablePerson.class, pvs);
bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.registerBeanDefinition("ts", tsBd);
bf.registerBeanDefinition("person", bd);
TestTargetSource cpts = (TestTargetSource) bf.getBean("ts");
TargetSource serialized = (TargetSource) SerializationTestUtils.serializeAndDeserialize(cpts);
assertTrue(
"Changed to SingletonTargetSource on deserialization",
serialized instanceof SingletonTargetSource);
SingletonTargetSource sts = (SingletonTargetSource) serialized;
assertNotNull(sts.getTarget());
}
@Override
public Object buildBean(String beanName, Map<String, Object> extraContext) throws Exception {
LOG.debug("Building bean for name {}", beanName);
if (!skipBeanNames.contains(beanName)) {
ApplicationContext anAppContext = getApplicationContext(extraContext);
try {
LOG.debug(
"Trying the application context... appContext = {},\n bean name = {}",
anAppContext,
beanName);
return anAppContext.getBean(beanName);
} catch (NoSuchBeanDefinitionException e) {
LOG.debug(
"Did not find bean definition for bean named {}, creating a new one...", beanName);
if (autoWiringFactory instanceof BeanDefinitionRegistry) {
try {
Class clazz = Class.forName(beanName);
BeanDefinitionRegistry registry = (BeanDefinitionRegistry) autoWiringFactory;
RootBeanDefinition def = new RootBeanDefinition(clazz, autowireStrategy, true);
def.setScope(BeanDefinition.SCOPE_SINGLETON);
LOG.debug("Registering a new bean definition for class {}", beanName);
registry.registerBeanDefinition(beanName, def);
try {
return anAppContext.getBean(beanName);
} catch (NoSuchBeanDefinitionException e2) {
LOG.warn("Could not register new bean definition for bean {}", beanName);
skipBeanNames.add(beanName);
}
} catch (ClassNotFoundException e1) {
skipBeanNames.add(beanName);
}
}
}
}
LOG.debug("Returning autowired instance created by default ObjectFactory");
return autoWireBean(super.buildBean(beanName, extraContext), autoWiringFactory);
}
@Test
public void nonSingletonListenerInApplicationContext() {
StaticApplicationContext context = new StaticApplicationContext();
RootBeanDefinition listener = new RootBeanDefinition(MyNonSingletonListener.class);
listener.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
context.registerBeanDefinition("listener", listener);
context.refresh();
MyEvent event1 = new MyEvent(context);
context.publishEvent(event1);
MyOtherEvent event2 = new MyOtherEvent(context);
context.publishEvent(event2);
MyEvent event3 = new MyEvent(context);
context.publishEvent(event3);
MyOtherEvent event4 = new MyOtherEvent(context);
context.publishEvent(event4);
assertTrue(MyNonSingletonListener.seenEvents.contains(event1));
assertTrue(MyNonSingletonListener.seenEvents.contains(event2));
assertTrue(MyNonSingletonListener.seenEvents.contains(event3));
assertTrue(MyNonSingletonListener.seenEvents.contains(event4));
MyNonSingletonListener.seenEvents.clear();
context.close();
}
/**
* Read a particular {@link ConfigurationClassMethod}, registering bean definitions with the
* BeanDefinitionRegistry based on its contents.
*/
private void loadBeanDefinitionsForBeanMethod(ConfigurationClassMethod beanMethod) {
ConfigurationClass configClass = beanMethod.getConfigurationClass();
MethodMetadata metadata = beanMethod.getMetadata();
RootBeanDefinition beanDef = new ConfigurationClassBeanDefinition(configClass);
beanDef.setResource(configClass.getResource());
beanDef.setSource(this.sourceExtractor.extractSource(metadata, configClass.getResource()));
beanDef.setFactoryBeanName(configClass.getBeanName());
beanDef.setUniqueFactoryMethodName(metadata.getMethodName());
beanDef.setAutowireMode(RootBeanDefinition.AUTOWIRE_CONSTRUCTOR);
beanDef.setAttribute(
RequiredAnnotationBeanPostProcessor.SKIP_REQUIRED_CHECK_ATTRIBUTE, Boolean.TRUE);
// consider name and any aliases
Map<String, Object> beanAttributes = metadata.getAnnotationAttributes(Bean.class.getName());
List<String> names =
new ArrayList<String>(Arrays.asList((String[]) beanAttributes.get("name")));
String beanName =
(names.size() > 0 ? names.remove(0) : beanMethod.getMetadata().getMethodName());
for (String alias : names) {
this.registry.registerAlias(beanName, alias);
}
// has this already been overridden (e.g. via XML)?
if (this.registry.containsBeanDefinition(beanName)) {
BeanDefinition existingBeanDef = registry.getBeanDefinition(beanName);
// is the existing bean definition one that was created from a configuration class?
if (!(existingBeanDef instanceof ConfigurationClassBeanDefinition)) {
// no -> then it's an external override, probably XML
// overriding is legal, return immediately
if (logger.isDebugEnabled()) {
logger.debug(
String.format(
"Skipping loading bean definition for %s: a definition for bean "
+ "'%s' already exists. This is likely due to an override in XML.",
beanMethod, beanName));
}
return;
}
}
if (metadata.isAnnotated(Primary.class.getName())) {
beanDef.setPrimary(true);
}
// is this bean to be instantiated lazily?
if (metadata.isAnnotated(Lazy.class.getName())) {
beanDef.setLazyInit(
(Boolean) metadata.getAnnotationAttributes(Lazy.class.getName()).get("value"));
} else if (configClass.getMetadata().isAnnotated(Lazy.class.getName())) {
beanDef.setLazyInit(
(Boolean)
configClass.getMetadata().getAnnotationAttributes(Lazy.class.getName()).get("value"));
}
if (metadata.isAnnotated(DependsOn.class.getName())) {
String[] dependsOn =
(String[]) metadata.getAnnotationAttributes(DependsOn.class.getName()).get("value");
if (dependsOn.length > 0) {
beanDef.setDependsOn(dependsOn);
}
}
Autowire autowire = (Autowire) beanAttributes.get("autowire");
if (autowire.isAutowire()) {
beanDef.setAutowireMode(autowire.value());
}
String initMethodName = (String) beanAttributes.get("initMethod");
if (StringUtils.hasText(initMethodName)) {
beanDef.setInitMethodName(initMethodName);
}
String destroyMethodName = (String) beanAttributes.get("destroyMethod");
if (StringUtils.hasText(destroyMethodName)) {
beanDef.setDestroyMethodName(destroyMethodName);
}
// consider scoping
ScopedProxyMode proxyMode = ScopedProxyMode.NO;
Map<String, Object> scopeAttributes = metadata.getAnnotationAttributes(Scope.class.getName());
if (scopeAttributes != null) {
beanDef.setScope((String) scopeAttributes.get("value"));
proxyMode = (ScopedProxyMode) scopeAttributes.get("proxyMode");
if (proxyMode == ScopedProxyMode.DEFAULT) {
proxyMode = ScopedProxyMode.NO;
}
}
// replace the original bean definition with the target one, if necessary
BeanDefinition beanDefToRegister = beanDef;
if (proxyMode != ScopedProxyMode.NO) {
BeanDefinitionHolder proxyDef =
ScopedProxyCreator.createScopedProxy(
new BeanDefinitionHolder(beanDef, beanName),
this.registry,
proxyMode == ScopedProxyMode.TARGET_CLASS);
beanDefToRegister = proxyDef.getBeanDefinition();
}
if (logger.isDebugEnabled()) {
logger.debug(
String.format(
"Registering bean definition for @Bean method %s.%s()",
configClass.getMetadata().getClassName(), beanName));
}
registry.registerBeanDefinition(beanName, beanDefToRegister);
}
