Expand Up
@@ -614,93 +614,117 @@ public String[] getBeanNamesForType(@Nullable Class<?> type, boolean includeNonS
private String[] doGetBeanNamesForType(ResolvableType type, boolean includeNonSingletons, boolean allowEagerInit) {
List<String> result = new ArrayList<>();
// Check all bean definitions.
processBeanDefinitions(result, type, includeNonSingletons, allowEagerInit);
processManualSingletons(result, type, includeNonSingletons);
return StringUtils.toStringArray(result);
}
private void processBeanDefinitions(List<String> result, ResolvableType type, boolean includeNonSingletons, boolean allowEagerInit) {
for (String beanName : this.beanDefinitionNames) {
// Only consider bean as eligible if the bean name is not defined as alias for some other bean.
if (!isAlias(beanName)) {
try {
RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
// Only check bean definition if it is complete.
if (!mbd.isAbstract() && (allowEagerInit ||
(mbd.hasBeanClass() || !mbd.isLazyInit() || isAllowEagerClassLoading()) &&
!requiresEagerInitForType(mbd.getFactoryBeanName()))) {
boolean isFactoryBean = isFactoryBean(beanName, mbd);
BeanDefinitionHolder dbd = mbd.getDecoratedDefinition();
boolean matchFound = false;
boolean allowFactoryBeanInit = (allowEagerInit || containsSingleton(beanName));
boolean isNonLazyDecorated = (dbd != null && !mbd.isLazyInit());
if (!isFactoryBean) {
if (includeNonSingletons || isSingleton(beanName, mbd, dbd)) {
matchFound = isTypeMatch(beanName, type, allowFactoryBeanInit);
}
}
else {
if (includeNonSingletons || isNonLazyDecorated) {
matchFound = isTypeMatch(beanName, type, allowFactoryBeanInit);
}
else if (allowFactoryBeanInit) {
// Type check before singleton check, avoiding FactoryBean instantiation
// for early FactoryBean.isSingleton() calls on non-matching beans.
matchFound = isTypeMatch(beanName, type, allowFactoryBeanInit) &&
isSingleton(beanName, mbd, dbd);
}
if (!matchFound) {
// In case of FactoryBean, try to match FactoryBean instance itself next.
beanName = FACTORY_BEAN_PREFIX + beanName;
if (includeNonSingletons || isSingleton(beanName, mbd, dbd)) {
matchFound = isTypeMatch(beanName, type, allowFactoryBeanInit);
}
}
if (isAlias(beanName)) {
continue;
}
try {
RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
// cache merged bean definition
boolean isAbstract = mbd.isAbstract();
boolean hasBeanClass = mbd.hasBeanClass();
boolean isLazyInit = mbd.isLazyInit();
String factoryBeanName = mbd.getFactoryBeanName();
BeanDefinitionHolder dbd = mbd.getDecoratedDefinition();
if (shouldSkipBeanDefinition(isAbstract, allowEagerInit, hasBeanClass, isLazyInit, factoryBeanName)) {
continue;
}
boolean isFactoryBean = isFactoryBean(beanName, mbd);
boolean matchFound = false;
boolean allowFactoryBeanInit = (allowEagerInit || containsSingleton(beanName));
boolean isNonLazyDecorated = (dbd != null && !isLazyInit);
if (!isFactoryBean && (includeNonSingletons || isSingleton(beanName, mbd, dbd))) {
matchFound = isTypeMatch(beanName, type, allowFactoryBeanInit);
}
else {
if (includeNonSingletons || isNonLazyDecorated) {
matchFound = isTypeMatch(beanName, type, allowFactoryBeanInit);
}
else if (allowFactoryBeanInit) {
matchFound = isTypeMatch(beanName, type, allowFactoryBeanInit) &&
isSingleton(beanName, mbd, dbd);
}
if (!matchFound) {
String factoryBeanFullName = FACTORY_BEAN_PREFIX + beanName;
if (includeNonSingletons || isSingleton(factoryBeanFullName, mbd, dbd)) {
matchFound = isTypeMatch(factoryBeanFullName, type, allowFactoryBeanInit);
}
if (matchFound) {
result.add(beanName);
result.add(factoryBeanFullName);
continue;
}
}
}
catch (CannotLoadBeanClassException | BeanDefinitionStoreException ex) {
if (allowEagerInit) {
throw ex;
}
// Probably a placeholder: let's ignore it for type matching purposes.
LogMessage message = (ex instanceof CannotLoadBeanClassException ?
LogMessage.format("Ignoring bean class loading failure for bean '%s'", beanName) :
LogMessage.format("Ignoring unresolvable metadata in bean definition '%s'", beanName));
logger.trace(message, ex);
// Register exception, in case the bean was accidentally unresolvable.
onSuppressedException(ex);
if (matchFound) {
result.add(beanName);
}
catch (NoSuchBeanDefinitionException ex) {
// Bean definition got removed while we were iterating -> ignore.
}
catch (CannotLoadBeanClassException | BeanDefinitionStoreException ex) {
if (allowEagerInit) {
throw ex;
}
LogMessage message = (ex instanceof CannotLoadBeanClassException ?
LogMessage.format("Ignoring bean class loading failure for bean '%s'", beanName) :
LogMessage.format("Ignoring unresolvable metadata in bean definition '%s'", beanName));
logger.trace(message, ex);
onSuppressedException(ex);
}
catch (NoSuchBeanDefinitionException ex) {
// Bean definition got removed while we were iterating -> ignore
}
}
}
// Check manually registered singletons too.
private void processManualSingletons(List<String> result, ResolvableType type, boolean includeNonSingletons) {
for (String beanName : this.manualSingletonNames) {
try {
// In case of FactoryBean, match object created by FactoryBean.
if (isFactoryBean(beanName)) {
if ((includeNonSingletons || isSingleton(beanName)) && isTypeMatch(beanName, type)) {
result.add(beanName);
// Match found for this bean: do not match FactoryBean itself anymore.
continue;
}
// In case of FactoryBean, try to match FactoryBean itself next.
beanName = FACTORY_BEAN_PREFIX + beanName;
}
// Match raw bean instance (might be raw FactoryBean).
if (isTypeMatch(beanName, type)) {
result.add(beanName);
}
}
catch (NoSuchBeanDefinitionException ex) {
// Shouldn't happen - probably a result of circular reference resolution...
logger.trace(LogMessage.format(
"Failed to check manually registered singleton with name '%s'", beanName), ex);
}
}
}
return StringUtils.toStringArray(result);
private boolean shouldSkipBeanDefinition(boolean isAbstract, boolean allowEagerInit,
boolean hasBeanClass, boolean isLazyInit, @Nullable String factoryBeanName) {
if (isAbstract) {
return true;
}
if (!allowEagerInit) {
boolean needsEagerInit = (!hasBeanClass && isLazyInit && !isAllowEagerClassLoading()) ||
requiresEagerInitForType(factoryBeanName);
if (needsEagerInit) {
return true;
}
}
return false;
}
private boolean isSingleton(String beanName, RootBeanDefinition mbd, @Nullable BeanDefinitionHolder dbd) {
Expand Down