fix compilation errors

Author: guFalcon

src/main/java/info/unterrainer/websocketclient/WebsocketConnection.java

@@ -23,17 +23,21 @@
 import jakarta.websocket.Session;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
+import lombok.Getter;
 import lombok.RequiredArgsConstructor;
+import lombok.experimental.Accessors;
 import lombok.experimental.SuperBuilder;
 import lombok.extern.slf4j.Slf4j;
 
 @Slf4j
 @Data
 @RequiredArgsConstructor
 @SuperBuilder(toBuilder = true)
+@Accessors(fluent = true)
 @EqualsAndHashCode()
 public class WebsocketConnection implements AutoCloseable {
 
+	@Getter
 	private final String host;
 	private final Consumer<Session> onOpenHandler;
 	private final Consumer<String> onMessageHandler;

src/main/java/info/unterrainer/websocketclient/WebsocketEndpoints.java

@@ -19,13 +19,13 @@ public WebsocketEndpoints(WebsocketConnection client) {
 
 	@Override
 	public void onOpen(Session session, EndpointConfig config) {
-		client.sessionReady.complete(session);
+		client.sessionReady().complete(session);
 		log.info("Connected to server");
 
 		// onOpen-Handler
-		if (client.onOpenHandler != null) {
+		if (client.onOpenHandler() != null) {
 			try {
-				client.onOpenHandler.accept(session);
+				client.onOpenHandler().accept(session);
 			} catch (Exception e) {
 				log.error("Error executing onOpen handler: ", e);
 			}
@@ -35,9 +35,9 @@ public void onOpen(Session session, EndpointConfig config) {
 		session.addMessageHandler(String.class, message -> {
 			log.debug("Received message: " + message);
 			client.awaitOpen(Duration.ofMillis(5000L));
-			if (client.onMessageHandler != null) {
+			if (client.onMessageHandler() != null) {
 				try {
-					client.onMessageHandler.accept(message);
+					client.onMessageHandler().accept(message);
 				} catch (Exception e) {
 					log.error("Error executing onMessage handler: ", e);
 				}
@@ -49,9 +49,9 @@ public void onOpen(Session session, EndpointConfig config) {
 	public void onClose(Session session, CloseReason closeReason) {
 		Session s = client.awaitOpen(Duration.ofMillis(5000L));
 		log.info("Disconnected from server: {}", closeReason);
-		if (client.onCloseHandler != null) {
+		if (client.onCloseHandler() != null) {
 			try {
-				client.onCloseHandler.accept(s);
+				client.onCloseHandler().accept(s);
 			} catch (Exception e) {
 				log.error("Error executing onClose handler: ", e);
 			}
@@ -68,9 +68,9 @@ public void onClose(Session session, CloseReason closeReason) {
 	public void onError(Session session, Throwable throwable) {
 		client.awaitOpen(Duration.ofMillis(5000L));
 		log.error("Error occurred: ", throwable);
-		if (client.onErrorHandler != null) {
+		if (client.onErrorHandler() != null) {
 			try {
-				client.onErrorHandler.accept(throwable);
+				client.onErrorHandler().accept(throwable);
 			} catch (Exception e) {
 				log.error("Error executing onError handler: ", e);
 			}