Fix typo in RemindingNotifier interval setter

spring-boot-admin-docs/src/site/docs/02-server/notifications/90-custom-notifiers.md

@@ -357,7 +357,7 @@ public class NotifierConfig {
 		RemindingNotifier notifier = new RemindingNotifier(
 				filteringNotifier, repository);
 		notifier.setReminderPeriod(Duration.ofMinutes(10));
-		notifier.setCheckReminderInverval(Duration.ofSeconds(10));
+		notifier.setCheckReminderInterval(Duration.ofSeconds(10));
 		return notifier;
 	}
 

spring-boot-admin-docs/src/site/docs/02-server/notifications/index.mdx

@@ -69,7 +69,7 @@ public class NotifierConfiguration {
     public RemindingNotifier remindingNotifier() {
         RemindingNotifier notifier = new RemindingNotifier(notifier, repository);
         notifier.setReminderPeriod(Duration.ofMinutes(10)); // (1)
-        notifier.setCheckReminderInverval(Duration.ofSeconds(10)); //(2)
+        notifier.setCheckReminderInterval(Duration.ofSeconds(10)); //(2)
         return notifier;
     }
 }
@@ -123,7 +123,7 @@ public class NotifierConfig {
     public RemindingNotifier remindingNotifier() { // (2)
         RemindingNotifier notifier = new RemindingNotifier(filteringNotifier(), this.repository);
         notifier.setReminderPeriod(Duration.ofMinutes(10));
-        notifier.setCheckReminderInverval(Duration.ofSeconds(10));
+        notifier.setCheckReminderInterval(Duration.ofSeconds(10));
         return notifier;
     }
 

spring-boot-admin-docs/src/site/docs/09-samples/10-sample-servlet.md

@@ -362,7 +362,7 @@ public class NotifierConfig {
             filteringNotifier(), repository
         );
         notifier.setReminderPeriod(Duration.ofMinutes(10));
-        notifier.setCheckReminderInverval(Duration.ofSeconds(10));
+        notifier.setCheckReminderInterval(Duration.ofSeconds(10));
         return notifier;
     }
 }

spring-boot-admin-docs/src/site/docs/10-reference/10-event-types.md

@@ -593,7 +593,7 @@ public RemindingNotifier remindingNotifier(Notifier delegate,
 										   InstanceRepository repository) {
 	RemindingNotifier notifier = new RemindingNotifier(delegate, repository);
 	notifier.setReminderPeriod(Duration.ofMinutes(10));
-	notifier.setCheckReminderInverval(Duration.ofSeconds(60));
+	notifier.setCheckReminderInterval(Duration.ofSeconds(60));
 	return notifier;
 }
 ```

spring-boot-admin-samples/spring-boot-admin-sample-servlet/src/main/java/de/codecentric/boot/admin/sample/NotifierConfig.java

@@ -55,7 +55,7 @@ public FilteringNotifier filteringNotifier() { // <1>
 	public RemindingNotifier remindingNotifier() { // <2>
 		RemindingNotifier notifier = new RemindingNotifier(filteringNotifier(), this.repository);
 		notifier.setReminderPeriod(Duration.ofMinutes(10));
-		notifier.setCheckReminderInverval(Duration.ofSeconds(10));
+		notifier.setCheckReminderInterval(Duration.ofSeconds(10));
 		return notifier;
 	}
 

spring-boot-admin-server/src/main/java/de/codecentric/boot/admin/server/notify/RemindingNotifier.java

@@ -53,7 +53,7 @@ public class RemindingNotifier extends AbstractEventNotifier {
 
 	private final Notifier delegate;
 
-	private Duration checkReminderInverval = Duration.ofSeconds(10);
+	private Duration checkReminderInterval = Duration.ofSeconds(10);
 
 	private Duration reminderPeriod = Duration.ofMinutes(10);
 
@@ -83,7 +83,7 @@ else if (shouldStartReminder(event)) {
 
 	public void start() {
 		this.reminderScheduler = Schedulers.newSingle("reminders");
-		this.subscription = Flux.interval(this.checkReminderInverval, this.reminderScheduler)
+		this.subscription = Flux.interval(this.checkReminderInterval, this.reminderScheduler)
 			.log(log.getName(), Level.FINEST)
 			.doOnSubscribe((s) -> log.debug("Started reminders"))
 			.flatMap((i) -> this.sendReminders())
@@ -141,8 +141,22 @@ public void setReminderStatuses(String[] reminderStatuses) {
 		this.reminderStatuses = copy;
 	}
 
-	public void setCheckReminderInverval(Duration checkReminderInverval) {
-		this.checkReminderInverval = checkReminderInverval;
+	/**
+	 * Set the interval used to check for reminders.
+	 * @param checkReminderInterval the interval used to check for reminders
+	 */
+	public void setCheckReminderInterval(Duration checkReminderInterval) {
+		this.checkReminderInterval = checkReminderInterval;
+	}
+
+	/**
+	 * Set the interval used to check for reminders.
+	 * @param checkReminderInterval the interval used to check for reminders
+	 * @deprecated use {@link #setCheckReminderInterval(Duration)} instead.
+	 */
+	@Deprecated
+	public void setCheckReminderInverval(Duration checkReminderInterval) {
+		setCheckReminderInterval(checkReminderInterval);
 	}
 
 	protected static final class Reminder {

spring-boot-admin-server/src/test/java/de/codecentric/boot/admin/server/notify/RemindingNotifierTest.java

@@ -159,7 +159,7 @@ void should_resubscribe_after_error() {
 
 			RemindingNotifier reminder = new RemindingNotifier(notifier, this.repository);
 			eventPublisher.flux().flatMap(reminder::notify).subscribe();
-			reminder.setCheckReminderInverval(Duration.ofMillis(10));
+			reminder.setCheckReminderInterval(Duration.ofMillis(10));
 			reminder.setReminderPeriod(Duration.ofMillis(10));
 			reminder.start();
 		});
@@ -175,4 +175,31 @@ void should_resubscribe_after_error() {
 			.verify();
 	}
 
+	@SuppressWarnings("deprecation")
+	@Test
+	void should_support_deprecated_check_reminder_inverval_setter() {
+		TestPublisher<InstanceEvent> eventPublisher = TestPublisher.create();
+
+		Flux<InstanceEvent> emittedNotifications = Flux.create((emitter) -> {
+			Notifier notifier = (event) -> {
+				emitter.next(event);
+				return Mono.empty();
+			};
+
+			RemindingNotifier reminder = new RemindingNotifier(notifier, this.repository);
+			eventPublisher.flux().flatMap(reminder::notify).subscribe();
+
+			reminder.setCheckReminderInverval(Duration.ofMillis(10));
+			reminder.setReminderPeriod(Duration.ofMillis(10));
+			reminder.start();
+		});
+
+		StepVerifier.create(emittedNotifications)
+			.expectSubscription()
+			.then(() -> eventPublisher.next(appDown))
+			.expectNext(appDown, appDown)
+			.thenCancel()
+			.verify();
+	}
+
 }