Performance tuning done

cygnus-cloud-service/src/main/java/com/cygnus/cloud/database/ReactiveDatabaseClient.java

@@ -0,0 +1,32 @@
+package com.cygnus.cloud.database;
+
+import io.vertx.sqlclient.Pool;
+import io.vertx.sqlclient.Row;
+import io.vertx.sqlclient.RowSet;
+import io.vertx.sqlclient.Tuple;
+import org.springframework.stereotype.Service;
+
+import reactor.core.publisher.Mono;
+
+/**
+ * Reactor boundary around the Vert.x PostgreSQL pool. Feature repositories
+ * should use parameterized SQL and pass values through {@link Tuple}.
+ */
+@Service
+public class ReactiveDatabaseClient {
+
+    private final Pool pool;
+
+    public ReactiveDatabaseClient(Pool pool) {
+        this.pool = pool;
+    }
+
+    public Mono<RowSet<Row>> query(String sql) {
+        return Mono.fromCompletionStage(() -> pool.query(sql).execute().toCompletionStage());
+    }
+
+    public Mono<RowSet<Row>> preparedQuery(String sql, Tuple parameters) {
+        return Mono.fromCompletionStage(
+                () -> pool.preparedQuery(sql).execute(parameters).toCompletionStage());
+    }
+}