finalized code example for spring boot starter

Author: thombergs

.idea/.gitignore

@@ -0,0 +1,4 @@
+# Example Spring Boot Starter
+
+## Related Blog Article
+[Building a Spring Boot Starter for Cross-Cutting Concerns](https://reflectoring.iospring-boot-starter)

.idea/examples.iml

@@ -1,4 +1,5 @@
 eventstarter:
+  enabled: true
   listener:
     enabled-events:
       - foo

.idea/inspectionProfiles/Project_Default.xml

@@ -1,9 +1,11 @@
 package io.reflectoring.starter;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 
 @Component
+@ConditionalOnProperty(value = "eventstarter.enabled", havingValue = "true")
 class EventGenerator {
 
 	private final EventPublisher eventPublisher;

.idea/misc.xml

@@ -1,10 +1,13 @@
 package io.reflectoring.starter;
 
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.stereotype.Component;
 
 @Slf4j
 @Component
+@ConditionalOnProperty(value = "eventstarter.enabled", havingValue = "true")
 class FooEventListener extends EventListener {
 
 	public FooEventListener(EventListenerProperties properties) {