io microsphere spring context event BeanListener

BeanListener

Type: Interface | Module: microsphere-spring-context | Package: io.microsphere.spring.context.event | Since: 1.0.0

Source: microsphere-spring-context/src/main/java/io/microsphere/spring/context/event/BeanListener.java

Overview

Listener interface for bean lifecycle events.

Implementations of this interface can be used to receive notifications at various stages of a bean's lifecycle, such as before or after instantiation, initialization, or destruction. This interface provides a single extension point to react to different bean lifecycle phases.

Example Usage

{@code
public class MyBeanListener implements BeanListener {

### Declaration

```java
public interface BeanListener extends EventListener
```

**Author:** Mercy

## Version Information

- **Introduced in:** `1.0.0`
- **Current Project Version:** `0.2.27-SNAPSHOT`

## Version Compatibility

This component is tested and compatible with the following Java versions:

| Java Version | Status |
|:---:|:---:|
| Java 17 | ✅ Compatible |
| Java 21 | ✅ Compatible |
| Java 25 | ✅ Compatible |

## Examples

```java
public class MyBeanListener implements BeanListener {

    @Override
    public boolean supports(String beanName) {
        return "myBean".equals(beanName); // listen only to "myBean"
    }

    @Override
    public void onBeanDefinitionReady(String beanName, RootBeanDefinition mergedBeanDefinition) {
        System.out.println("Bean definition is ready: " + beanName);
    }

    @Override
    public void onBeforeBeanInstantiate(String beanName, RootBeanDefinition mergedBeanDefinition) {
        System.out.println("Before instantiating bean: " + beanName);
    }

    // Implement other lifecycle methods as needed...
}
```

## Usage

### Maven Dependency

Add the following dependency to your `pom.xml`:

```xml

    io.github.microsphere-projects
    microsphere-spring-context
    ${microsphere-spring.version}

```

> **Tip:** Use the BOM (`microsphere-spring-dependencies`) for consistent version management. See the [Getting Started](https://github.com/microsphere-projects/microsphere-spring#getting-started) guide.

### Import

```java
import io.microsphere.spring.context.event.BeanListener;
```

## See Also

- `EventPublishingBeanInitializer`
- `EventPublishingBeanBeforeProcessor`
- `EventPublishingBeanAfterProcessor`
- `BeanListeners`
- `BeanListenerAdapter`

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*This documentation was auto-generated from the source code of [microsphere-spring](https://github.com/microsphere-projects/microsphere-spring).*