zdm/event-bus
zdm/event-bus
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Move installation section up in README

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Kai S. K. Engelbart 2021-11-24 10:49:30 +01:00
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@ -54,6 +54,33 @@ private static void onSimpleEvent(SimpleEvent event) { ... }
is technically possible, however you would still have to create an instance of the event listener to register it at an event bus. is technically possible, however you would still have to create an instance of the event listener to register it at an event bus.
## Installation
Event Bus is available in Maven Central.
To include it inside your project, just add the following dependency to your `pom.xml`:
```xml
<dependencies>
<dependency>
<groupId>dev.kske</groupId>
<artifactId>event-bus-core</artifactId>
<version>1.1.0</version>
</dependency>
</dependencies>
```
Then, require the Event Bus Core module in your `module-info.java`:
```java
requires dev.kske.eventbus.core;
```
If you intend to use event handlers that are inaccessible to Event Bus by means of Java language access control, make sure to allow reflective access from your module:
```java
opens my.module to dev.kske.eventbus.core;
```
## Polymorphic Event Handlers ## Polymorphic Event Handlers
On certain occasions it's practical for an event handler to accept both events of the specified type, as well as subclasses of that event. On certain occasions it's practical for an event handler to accept both events of the specified type, as well as subclasses of that event.
@ -182,33 +209,6 @@ System.out.println(EventBus.getInstance().printExecutionOrder(SimpleEvent.class)
Then, the execution order can be inspected in the console. Then, the execution order can be inspected in the console.
## Installation
Event Bus is available in Maven Central.
To include it inside your project, just add the following dependency to your `pom.xml`:
```xml
<dependencies>
<dependency>
<groupId>dev.kske</groupId>
<artifactId>event-bus-core</artifactId>
<version>1.1.0</version>
</dependency>
</dependencies>
```
Then, require the Event Bus Core module in your `module-info.java`:
```java
requires dev.kske.eventbus.core;
```
If you intend to use event handlers that are inaccessible to Event Bus by means of Java language access control, make sure to allow reflective access from your module:
```java
opens my.module to dev.kske.eventbus.core;
```
## Compile-Time Error Checking with Event Bus Proc ## Compile-Time Error Checking with Event Bus Proc
To assist you with writing event listeners, the Event Bus Proc (Annotation Processor) module enforces correct usage of the `@Event` annotation during compile time. To assist you with writing event listeners, the Event Bus Proc (Annotation Processor) module enforces correct usage of the `@Event` annotation during compile time.