Eliminating Bean–JSON Conversions by Backing DTOs with Vert.x JsonObject
Frequent bean-to-JSON and JSON-to-bean transformations introduce unnecessary CPU and GC overhead when Vert.x EventBus requires messages in io.vertx.core.json.JsonObject/JsonArray. Instead of serializing/deserializing on every hop, keep DTO state directly in a JsonObject and expose JavaBean-style acc...