X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fimplementation%2FStorageStrategy.java;h=610816350ba0e5b3f6ee9513e67ef4f1de8be3d3;hb=32ba4288f64c27f8f33f26b2120b81089ccbae19;hp=24fd15f07aaa361c5127b4cf2eb3a2c2fabb5fe0;hpb=73fe0a2d380cd9ed8b2da561ae7531d90c0ef9c5;p=demos%2Fkafka%2Fchat

diff --git a/src/main/java/de/juplo/kafka/chat/backend/implementation/StorageStrategy.java b/src/main/java/de/juplo/kafka/chat/backend/implementation/StorageStrategy.java
index 24fd15f0..61081635 100644
--- a/src/main/java/de/juplo/kafka/chat/backend/implementation/StorageStrategy.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/implementation/StorageStrategy.java
@@ -3,6 +3,8 @@ package de.juplo.kafka.chat.backend.implementation;
 import de.juplo.kafka.chat.backend.domain.ChatHomeService;
 import de.juplo.kafka.chat.backend.domain.ChatRoomInfo;
 import de.juplo.kafka.chat.backend.domain.Message;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import reactor.core.publisher.Flux;
 
 import java.util.UUID;
@@ -10,21 +12,28 @@ import java.util.UUID;
 
 public interface StorageStrategy
 {
-  default void write(ChatHomeService chatHomeService)
+  Logger log = LoggerFactory.getLogger(StorageStrategy.class.getCanonicalName());
+
+  default Flux<ChatRoomInfo> write(ChatHomeService chatHomeService)
   {
-    writeChatRoomInfo(
+    return writeChatRoomInfo(
         chatHomeService
             .getChatRoomInfo()
+            .doOnComplete(() -> log.info("Stored {}", chatHomeService))
+            .doOnError(throwable -> log.error("Could not store {}: {}", chatHomeService, throwable))
             .doOnNext(chatRoomInfo ->
                 writeChatRoomData(
                     chatRoomInfo.getId(),
                     chatHomeService
                         .getChatRoomData(chatRoomInfo.getId())
-                        .flatMapMany(chatRoomData -> chatRoomData.getMessages()))));
+                        .flatMapMany(chatRoomData -> chatRoomData.getMessages())
+                        .doOnComplete(() -> log.info("Stored {}", chatRoomInfo))
+                        .doOnError(throwable -> log.error("Could not store {}: {}", chatRoomInfo, throwable)))
+                    .subscribe()));
   }
 
-  void writeChatRoomInfo(Flux<ChatRoomInfo> chatRoomInfoFlux);
+  Flux<ChatRoomInfo> writeChatRoomInfo(Flux<ChatRoomInfo> chatRoomInfoFlux);
   Flux<ChatRoomInfo> readChatRoomInfo();
-  void writeChatRoomData(UUID chatRoomId, Flux<Message> messageFlux);
+  Flux<Message> writeChatRoomData(UUID chatRoomId, Flux<Message> messageFlux);
   Flux<Message> readChatRoomData(UUID chatRoomId);
 }