Performance tuning done

cygnus-cloud-service/src/main/java/com/cygnus/cloud/cache/ReactiveCacheService.java

@@ -0,0 +1,44 @@
+package com.cygnus.cloud.cache;
+
+import java.time.Duration;
+
+import org.springframework.data.redis.core.ReactiveStringRedisTemplate;
+import org.springframework.stereotype.Service;
+
+import reactor.core.publisher.Mono;
+
+@Service
+public class ReactiveCacheService {
+
+    private final ReactiveStringRedisTemplate redis;
+    private final CacheProperties properties;
+
+    public ReactiveCacheService(ReactiveStringRedisTemplate redis, CacheProperties properties) {
+        this.redis = redis;
+        this.properties = properties;
+    }
+
+    public Mono<String> get(String namespace, String key) {
+        return redis.opsForValue().get(cacheKey(namespace, key));
+    }
+
+    public Mono<Boolean> put(String namespace, String key, String value) {
+        return put(namespace, key, value, properties.defaultTtl());
+    }
+
+    public Mono<Boolean> put(String namespace, String key, String value, Duration ttl) {
+        return redis.opsForValue().set(cacheKey(namespace, key), value, ttl);
+    }
+
+    public Mono<Boolean> putIfAbsent(String namespace, String key, String value, Duration ttl) {
+        return redis.opsForValue().setIfAbsent(cacheKey(namespace, key), value, ttl);
+    }
+
+    public Mono<Boolean> evict(String namespace, String key) {
+        return redis.delete(cacheKey(namespace, key)).map(deleted -> deleted > 0);
+    }
+
+    private String cacheKey(String namespace, String key) {
+        return properties.keyPrefix() + ':' + namespace + ':' + key;
+    }
+}