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package com.example.shoppingcart;

import com.fasterxml.jackson.annotation.JsonIgnore;

public record ProductStock(Integer quantity){
    public static ProductStock empty(){
        return new ProductStock(null);
    }
    @JsonIgnore
    public boolean isEmpty(){
        return quantity == null;
    }
}

Explore Kalix

How Kalix Works

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Feature Overviews

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Introducing Kalix Control Tower

Monitor all Kalix services, at a glance, and get metrics on how they are performing, their health, when they fail, etc., with Control Tower.

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Introducing Kalix Container Registry

Kalix unveiled a built-in Container Registry that makes it smoother and easier to deploy a service since the registry is already set up for use.

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Introducing Kalix Workflows

Both seasoned and novice developers can now quickly and easily model complex business processes or Saga-Patterns with Kalix Workflows.

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How Tos

All How Tos

How to Install the Kalix CLI on Windows

In this tutorial, you will learn how to Install Kalix CLI on Windows.

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How to Install the Kalix CLI on macOS

In this tutorial, you will learn how to Install Kalix CLI on macOS.

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How to Install the Kalix CLI on Linux

In this tutorial, you will learn how to Install Kalix CLI on Linux.

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Blogs

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Andrzej Ludwikowski

Saga Patterns in Kalix Part 1 - Event Choreography

Building an event-driven Saga choreography may not be rocket science, but it can be extremely complex and tedious if you’re not using Kalix.

Saga Patterns in Kalix Part 2 - Read Models

Built-in elasticity provides flexibility to complete asynchronous CQRS implementation easily and generate read models with Kalix.

Saga Patterns in Kalix Part 3 - Exactly-once Delivery with Deduplication

At-least-once delivery and a rich toolbox of deduplication strategies help achieve the seemingly impossible exactly-once delivery.

Webinars

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Eduardo Pinto

Seamless Local Development and Swift Feedback Cycles with Kalix

In this webinar, we will delve into the recent enhancements in Kalix, showcasing its features that expedite the application building and deployment process.

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Jonas Bonér

Designing Event-first Microservices

In this talk, we will explore the nature of events, what it means to be event-driven, and how we can unleash the power of events and commands by applying an events-first domain-driven design to microservices-based architectures.

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Hugh McKee

Is Your Platform Ready for AI

This session will examine the role of AI-ready platforms in streamlining development workflows and enhancing collaboration between human developers and AI assistants.

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Upcoming Webinars

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