PART-12 | QUARKUS lifecycle annotations
PART-12 | QUARKUS lifecycle annotations #quarkus #quarkuslifecycle#java
We often need to execute custom actions when the application starts and clean up everything when the application stops.
Write a Quarkus application with a main method
Be notified when the application starts
Be notified when the application stops
Steps:-
mvn io.quarkus.platform:quarkus-maven-plugin:2.11.3.Final:create -DprojectGroupId=org.acme -DprojectArtifactId=lifecycleTest -DnoCode
void onStart(@Observes StartupEvent ev) {
System.out.println("custom initialization codes onstart....");
}
void onStop(@Observes ShutdownEvent ev) {
System.out.println("custom clean up codes onStop...");
}
@PostConstruct
void init() {
System.out.println(" custom initialization codes PostConstruct....");
}
@PreDestroy
void destroy() {
System.out.println("custom clean up codes PreDestroy......");
}