Notes taking spring-projects#1

Author: edricgsh

spring-beans/src/main/java/org/springframework/beans/factory/annotation/AutowiredAnnotationBeanPostProcessor.java

@@ -456,6 +456,7 @@ private InjectionMetadata buildAutowiringMetadata(final Class<?> clazz) {
 
 			ReflectionUtils.doWithLocalFields(targetClass, field -> {
 				MergedAnnotation<?> ann = findAutowiredAnnotation(field);
+				// The place where they find out the annotation of the field
 				if (ann != null) {
 					if (Modifier.isStatic(field.getModifiers())) {
 						if (logger.isInfoEnabled()) {

spring-beans/src/main/java/org/springframework/beans/factory/config/AutowireCapableBeanFactory.java

@@ -59,6 +59,7 @@
  * @see org.springframework.beans.factory.config.ConfigurableListableBeanFactory
  * @see org.springframework.context.ApplicationContext#getAutowireCapableBeanFactory()
  */
+// This is where you do autowiring
 public interface AutowireCapableBeanFactory extends BeanFactory {
 
 	/**

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractAutowireCapableBeanFactory.java

@@ -233,6 +233,7 @@ protected ParameterNameDiscoverer getParameterNameDiscoverer() {
 	 * between your beans. Refactor your application logic to have the two beans
 	 * involved delegate to a third bean that encapsulates their common logic.
 	 */
+	// Places where spring deal with circular dependencies
 	public void setAllowCircularReferences(boolean allowCircularReferences) {
 		this.allowCircularReferences = allowCircularReferences;
 	}

spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultSingletonBeanRegistry.java

@@ -462,6 +462,7 @@ protected boolean hasDependentBean(String beanName) {
 	 * @param beanName the name of the bean
 	 * @return the array of dependent bean names, or an empty array if none
 	 */
+	// Check for your dependent bean here
 	public String[] getDependentBeans(String beanName) {
 		Set<String> dependentBeans = this.dependentBeanMap.get(beanName);
 		if (dependentBeans == null) {