Confess_2011 - Rapid Rich Client Development with Spring Roo and GWT

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Show (shortly) what Spring Roo and GWT is. Then it shows some problems with this combination at the moment. Finally, the presentation shows when to use Spring Roo (instead of other frameworks).

Tecnologia Educação

Click to edit Master /tle style 

Rapid Rich Client  
+  =  Development 

Kai Wähner, MaibornWolﬀ et al GmbH

I confess… 
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... that I loved
„Copy and Paste“

Inten/on of this Session 
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Bullet Point  
Boot Camp 

Just a few Slides...

Inten/on of this Session 
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... rather a lot of Live Hacking !!!

What is the Key Message? 
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Key Message 
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Learn what Spring Roo is!

Key Message 
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Learn what Spring Roo is!
Learn how to develope with Spring Roo and GWT!

Key Message 
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Learn what Spring Roo is!
Learn how to develope with Spring Roo and GWT!
Learn when to use Spring Roo!

Agenda 
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1) What is Spring Roo?

2) What is GWT?

3) Use Case for Demo

4) LIVE HACKING: Spring Roo with GWT
5) Some further advanced Stuff

6) Criticism

7) When to use Spring Roo?

What is Spring Roo? 
Click to edit Master /tle style 

Web-Framework

Full-Stack-Framework

What is Spring Roo? 
Click to edit Master /tle style

What is Spring Roo? 
Click to edit Master /tle style 

Configuration
Marathon

Roo-Shell

IDE‐Support? 
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AspectJ

Roo-Shell

What is GWT? 
Click to edit Master /tle style 

1) What is Spring Roo?

2) What is GWT?

3) Use Case for Demo

4) LIVE HACKING: Spring Roo with GWT
5) Some further advanced Stuff

6) Criticism

7) When to use Spring Roo?

What is Google Web Toolkit (GWT)? 
Click to edit Master /tle style 

GWT is a
Web-Framework
to create
Rich Clients

What is Google Web Toolkit (GWT)? 
Click to edit Master /tle style 

No HTML, DOM, XMLHttpRequest, JavaScript?

But YOU code Java!

What is Google Web Toolkit (GWT)? 
Click to edit Master /tle style 

Plenty of Server-Communication?

Client-centric Approach!

What is Google Web Toolkit (GWT)? 
Click to edit Master /tle style 

Update View

View  Presenter 
User Events

Model
Model
Updates and
Changes
Queries

Model 
Design Pattern:
Model View Presenter (MVP)

Use Case: (Very simple) Project Management 
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Use Case: (Very simple) Project Management 
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⇒  Use Case 1: No existing Database

Use Case: (Very simple) Project Management 
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⇒  Use Case 1: No existing Database
⇒  Use Case 2: Reverse Engineering (existing Database)

Live‐Demo 
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Enough of the Theory!
⇒  Let‘s start LIVE HACKING...

Use Add‐ons! 
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Use other Spring Stuﬀ! (if possible) 
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Just a
Cutout of
Spring
Projects

Know that you can remove Spring Roo! 
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No Undo‐Command 
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Soooooooo many GWT‐Files 
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High Complexity of GWT‐Files 
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Activity
Update View

View  Presenter 
User Events

ActivityMapper
Place Model
Updates and
Model ClientFactory
Changes
Queries EventBus
PlaceHistoryMapper
RequestFactory
Model  EntityProxy
ValueProxy
ServiceLocator

No Finder‐GUI in GWT yet 
Click to edit Master /tle style

S/ll Hope for GWT‐related Improvements 
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Diﬀerent Types of Web Applica/ons 
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Classical   Portal 
Web 
CRUD  Applica/on 
Time to 
Short  Long  Develope 

Rich Internet 
Rich Client  Applica/on 
(RIA)

Spring Roo is awesome for CRUD‐Clients 
Click to edit Master /tle style 

Classical   Portal 
Web 
CRUD  Applica/on 
Time to 
Short  Long  Develope 

Rich Internet 
Rich Client  Applica/on 
(RIA)

Spring Roo is good for Learning, too! 
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I heard: Spring Roo is good for Prototyping, too! 
Click to edit Master /tle style

I heard: Spring Roo is good for Prototyping, too! 
Click to edit Master /tle style 

TRUE
for Spring Applications

Spring Roo is awesome for CRUD‐Clients 
Click to edit Master /tle style 

80 % !!!
Classical   Portal 
Web 
CRUD  Applica/on 
Time to 
Short  Long  Develope 

Rich Internet 
Rich Client  Applica/on 
(RIA)

CRUD Frameworks within Java Environment 
Click to edit Master /tle style 

(Roma Framework)

CRUD Frameworks within Java Environment 
Click to edit Master /tle style 

Good CRUD Framework 

(Roma Framework)

CRUD Frameworks within Java Environment 
Click to edit Master /tle style 

Good CRUD Framework 

(Roma Framework) 

No Java

CRUD Frameworks within Java Environment 
Click to edit Master /tle style 

Good CRUD Framework 

No powerful Vendor 
(Roma Framework)  No large Community 

No Java

I am NOT a Spring Dude! 
Click to edit Master /tle style 

JEE 5 / 6

Spring

… and the Winner is: 
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* from the View of a Java Developer!

Key Message arrived? 
Click to edit Master /tle style

Whet your Appe/te? 
Click to edit Master /tle style

Get Part of the Community! 
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Thank you for your Aen/on… Ques/ons? 
Click to edit Master /tle style 

+ = Rapid Rich Client Development

Kai Wähner 
IT‐Consultant 

Mobile  +49 151 544 277 88 
Email     kai.waehner@mwea.de 
Twier   @KaiWaehner 

MaibornWolﬀ et al GmbH | Theresienhöhe 13 | D‐80339 München

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The Heart of the Data Mesh Beats in Real-Time with Apache Kafka

Kai Wähner

Enterprise integration is more challenging than ever before. The IT evolution requires the integration of more and more technologies. Applications are deployed across the edge, hybrid, and multi-cloud architectures. Traditional middleware such as MQ, ETL, ESB does not scale well enough or only processes data in batch instead of real-time. This presentation explores why Apache Kafka is the new black for integration projects, how Kafka fits into the discussion around cloud-native iPaaS (Integration Platform as a Service) solutions, and why event streaming is a new software category. A concrete real-world example shows the difference between event streaming and traditional integration platforms respectively cloud-native iPaaS. Video Recording of this presentation: https://www.youtube.com/watch?v=I8yZwKg_IJc&t=2842s Blog post about this topic: https://www.kai-waehner.de/blog/2021/11/03/apache-kafka-cloud-native-ipaas-versus-mq-etl-esb-middleware/

Apache Kafka vs. Cloud-native iPaaS Integration Platform Middleware

Kai Wähner

The concepts and architectures of a data warehouse, a data lake, and data streaming are complementary to solving business problems. Unfortunately, the underlying technologies are often misunderstood, overused for monolithic and inflexible architectures, and pitched for wrong use cases by vendors. Let’s explore this dilemma in a presentation. The slides cover technologies such as Apache Kafka, Apache Spark, Confluent, Databricks, Snowflake, Elasticsearch, AWS Redshift, GCP with Google Bigquery, and Azure Synapse.

Data Warehouse vs. Data Lake vs. Data Streaming – Friends, Enemies, Frenemies?

Kai Wähner

Apache Kafka in conjunction with Apache Spark became the de facto standard for processing and analyzing data. Both frameworks are open, flexible, and scalable. Unfortunately, the latter makes operations a challenge for many teams. Ideally, teams can use serverless SaaS offerings to focus on business logic. However, hybrid and multi-cloud scenarios require a cloud-native platform that provides automated and elastic tooling to reduce the operations burden. This session explores different architectures to build serverless Apache Kafka and Apache Spark multi-cloud architectures across regions and continents. We start from the analytics perspective of a data lake and explore its relation to a fully integrated data streaming layer with Kafka to build a modern data Data Lakehouse. Real-world use cases show the joint value and explore the benefit of the "delta lake" integration.

Serverless Kafka and Spark in a Multi-Cloud Lakehouse Architecture

Kai Wähner

Hybrid cloud architectures are the new black for most companies. A cloud-first strategy is evident for many new enterprise architectures, but some use cases require resiliency across edge sites and multiple cloud regions. Data streaming with the Apache Kafka ecosystem is a perfect technology for building resilient and hybrid real-time applications at any scale. This talk explores different architectures and their trade-offs for transactional and analytical workloads. Real-world examples include financial services, retail, and the automotive industry. Video recording: https://qconlondon.com/london2022/presentation/resilient-real-time-data-streaming-across-the-edge-and-hybrid-cloud

Resilient Real-time Data Streaming across the Edge and Hybrid Cloud with Apac...

Kai Wähner

Agenda: 1) Defence, Modern Warfare, and Cybersecurity in 202X 2) Data in Motion with Apache Kafka as Defence Backbone 3) Situational Awareness 4) Threat Intelligence 5) Forensics and AI / Machine Learning 6) Air-Gapped and Zero Trust Environments 7) SIEM / SOAR Modernization Technologies discussed in the presentation include Apache Kafka, Kafka Streams, kqlDB, Kafka Connect, Elasticsearch, Splunk, IBM QRadar, Zeek, Netflow, PCAP, TensorFlow, AWS, Azure, GCP, Sigma, Confluent Cloud,

Data Streaming with Apache Kafka in the Defence and Cybersecurity Industry

Kai Wähner

Real-World Deployments of Data Streaming with Apache Kafka across the Healthcare Value Chain using open source and cloud-native technologies and serverless SaaS: 1) Legacy Modernization and Hybrid Cloud: Optum (UnitedHealth Group, Centene, Bayer) 2) Streaming ETL (Bayer, Babylon Health) 3) Real-time Analytics (Cerner, Celmatix, CDC/Centers for Disease Control and Prevention) 4) Machine Learning and Data Science (Recursion, Humana) 5) Open API and Omnichannel (Care.com, Invitae)

Apache Kafka in the Healthcare Industry

Kai Wähner

The Rise of Data in Motion in the Healthcare Industry - Use Cases, Architectures and Examples powered by Apache Kafka. Use Cases for Data in Motion in the Healthcare Industry: - Know Your Patient (= “Customer 360”) - Operations (Healthcare 4.0 including Drug R&D, Patient Care, etc.) - IT Perspective (Cybersecurity, Mainframe Offload, Hybrid Cloud, Streaming ETL, etc) Real-world examples include Covid-19 Electronic Lab Reporting, Cerner, Optum, Centene, Humana, Invitae, Bayer, Celmatix, Care.com.

Apache Kafka in the Healthcare Industry

Kai Wähner

Apache Kafka for Real-time Supply Chainin the Food and Retail Industry

Kai Wähner

Not all workloads allow cloud computing. Low latency, cybersecurity, and cost-efficiency require a suitable combination of edge computing and cloud integration. This session explores architectures and design patterns for software and hardware considerations to deploy hybrid data streaming with Apache Kafka anywhere. A live demo shows data synchronization from the edge to the public cloud across continents with Kafka on Hivecell and Confluent Cloud.

Kafka for Real-Time Replication between Edge and Hybrid Cloud

Kai Wähner

The manufacturing industry is moving away from just selling machinery, devices, and other hardware. Software and services increase revenue and margins. Equipment-as-a-Service (EaaS) even outsources the maintenance to the vendor. This paradigm shift is only possible with reliable and scalable real-time data processing leveraging an event streaming platform such as Apache Kafka. This talk explores how Kafka-native Condition Monitoring and Predictive Maintenance help with this innovation. More details: https://www.kai-waehner.de/blog/2021/10/25/apache-kafka-condition-monitoring-predictive-maintenance-industrial-iot-digital-twin/ Video recording: https://youtu.be/tfOuN5KeI9w

Apache Kafka for Predictive Maintenance in Industrial IoT / Industry 4.0

Kai Wähner

Today, in 2022, Apache Kafka is the central nervous system of many applications in various areas related to the automotive and manufacturing industry for processing analytical and transactional data in motion across edge, hybrid, and multi-cloud deployments. This presentation explores the automotive event streaming landscape, including connected vehicles, smart manufacturing, supply chain optimization, aftersales, mobility services, and innovative new business models. Afterwards, many real-world examples are shown from companies such as Audi, BMW, Porsche, Tesla, Uber, Grab, and FREENOW. More detail in the blog post: https://www.kai-waehner.de/blog/2022/01/12/apache-kafka-landscape-for-automotive-and-manufacturing/

Apache Kafka Landscape for Automotive and Manufacturing

Kai Wähner

Real-time data beats slow data. That’s true for almost every use case. Nevertheless, enterprise architects build new infrastructures with the Lambda architecture that includes separate batch and real-time layers. This video explores why a single real-time pipeline, called Kappa architecture, is the better fit for many enterprise architectures. Real-world examples from companies such as Disney, Shopify, Uber, and Twitter explore the benefits of Kappa but also show how batch processing fits into this discussion positively without the need for a Lambda architecture. The main focus of the discussion is on Apache Kafka (and its ecosystem) as the de facto standard for event streaming to process data in motion (the key concept of Kappa), but the video also compares various technologies and vendors such as Confluent, Cloudera, IBM Red Hat, Apache Flink, Apache Pulsar, AWS Kinesis, Amazon MSK, Azure Event Hubs, Google Pub Sub, and more. Video recording of this presentation: https://youtu.be/j7D29eyysDw Further reading: https://www.kai-waehner.de/blog/2021/09/23/real-time-kappa-architecture-mainstream-replacing-batch-lambda/ https://www.kai-waehner.de/blog/2021/04/20/comparison-open-source-apache-kafka-vs-confluent-cloudera-red-hat-amazon-msk-cloud/ https://www.kai-waehner.de/blog/2021/05/09/kafka-api-de-facto-standard-event-streaming-like-amazon-s3-object-storage/

Kappa vs Lambda Architectures and Technology Comparison

Kai Wähner

I see the following topics coming up more regularly in conversations with customers, prospects, and the broader Kafka community across the globe: Kappa Architecture: Kappa goes mainstream to replace Lambda and Batch pipelines (that does not mean that there is no batch processing anymore). Examples: Kafka-powered Kappa architectures from Uber, Disney, Shopify, and Twitter. Hyper-personalized Omnichannel: Retail and customer communication across online and offline channels becomes the new black, including context-specific upselling, recommendations, and location-based services. Examples: Omnichannel Retail and Customer 360 in Real-Time with Apache Kafka. Multi-Cloud Deployments: Business units and IT infrastructures span across regions, continents, and cloud providers. Linking clusters for bi-directional replication of data in real-time becomes crucial for many business models. Examples: Global Kafka deployments. Edge Analytics: Low latency requirements, cost efficiency, or security requirements enforce the deployment of (some) event streaming use cases at the far edge (i.e., outside a data center), for instance, for predictive maintenance and quality assurance on the shop floor level in smart factories. Examples: Edge analytics with Kafka. Real-time Cybersecurity: Situational awareness and threat intelligence need to process massive data in real-time to defend against cyberattacks successfully. The many successful ransomware attacks across the globe in 2021 were a warning for most CIOs. Examples: Cybersecurity for situational awareness and threat intelligence in real-time.

The Top 5 Apache Kafka Use Cases and Architectures in 2022

Kai Wähner

Technical thought leadership presentation to discuss how leading organizations move to real-time architecture to support business growth and enhance customer experience. This is a forum to discuss use cases with your peers to understand how other digital-native companies are utilizing data in motion to drive competitive advantage. Agenda: - Data in Motion with Event Streaming and Apache Kafka - Streaming ETL Pipelines - IT Modernisation and Hybrid Multi-Cloud - Customer Experience and Customer 360 - IoT and Big Data Processing - Machine Learning and Analytics

Event Streaming CTO Roundtable for Cloud-native Kafka Architectures

Kai Wähner

The Rise of Data in Motion in the Public Sector powered by event streaming with Apache Kafka. Citizen Services: - Health services, e.g. hospital modernization, track & trace - Covid distance control - Public administration - reduce bureaucracy, data democratization across government departments - eGovernment - Efficient and digital citizen engagement, e.g. personal ID application process Smart City - Smart driving, parking, buildings, environment Waste management - Open exchange – e.g. mobility services (1st and 3rd party) Energy - Smart grid and utilities infrastructure (energy distribution, smart home, smart meters, smart water, etc.) - National Security Law enforcement, surveillance, police/interior security data exchange - Defense and military (border control, intelligent solider) Cybersecurity for situational awareness and threat intelligence

Apache Kafka in the Public Sector (Government, National Security, Citizen Ser...

Kai Wähner

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Kafka for Live Commerce to Transform the Retail and Shopping Metaverse

The Heart of the Data Mesh Beats in Real-Time with Apache Kafka

Apache Kafka vs. Cloud-native iPaaS Integration Platform Middleware

Data Warehouse vs. Data Lake vs. Data Streaming – Friends, Enemies, Frenemies?

Serverless Kafka and Spark in a Multi-Cloud Lakehouse Architecture

Resilient Real-time Data Streaming across the Edge and Hybrid Cloud with Apac...

Data Streaming with Apache Kafka in the Defence and Cybersecurity Industry

Apache Kafka in the Healthcare Industry

Apache Kafka for Real-time Supply Chainin the Food and Retail Industry

Kafka for Real-Time Replication between Edge and Hybrid Cloud

Apache Kafka for Predictive Maintenance in Industrial IoT / Industry 4.0

Apache Kafka Landscape for Automotive and Manufacturing

Kappa vs Lambda Architectures and Technology Comparison

The Top 5 Apache Kafka Use Cases and Architectures in 2022

Event Streaming CTO Roundtable for Cloud-native Kafka Architectures

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FWD Group - Insurer Innovation Award 2024

The Digital Insurer

Dubai, known for its towering skyscrapers, luxurious lifestyle, and relentless pursuit of innovation, often finds itself in the global spotlight. However, amidst the glitz and glamour, the emirate faces its own set of challenges, including the occasional threat of flooding. In recent years, Dubai has experienced sporadic but significant floods, disrupting normalcy and posing unique challenges to its infrastructure. Among the critical nodes in this bustling metropolis is the Dubai International Airport, a vital hub connecting the world. This article delves into the intersection of Dubai flood events and the resilience demonstrated by the Dubai International Airport in the face of such challenges.

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The microservices honeymoon is over. When starting a new project or revamping a legacy monolith, teams started looking for alternatives to microservices. The Modular Monolith, or 'Modulith', is an architecture that reaps the benefits of (vertical) functional decoupling without the high costs associated with separate deployments. This talk will delve into the advantages and challenges of this progressive architecture, beginning with exploring the concept of a 'module', its internal structure, public API, and inter-module communication patterns. Supported by spring-modulith, the talk provides practical guidance on addressing the main challenges of a Modultith Architecture: finding and guarding module boundaries, data decoupling, and integration module-testing. You should not miss this talk if you are a software architect or tech lead seeking practical, scalable solutions. About the author With two decades of experience, Victor is a Java Champion working as a trainer for top companies in Europe. Five thousands developers in 120 companies attended his workshops, so he gets to debate every week the challenges that various projects struggle with. In return, Victor summarizes key points from these workshops in conference talks and online meetups for the European Software Crafters, the world’s largest developer community around architecture, refactoring, and testing. Discover how Victor can help you on victorrentea.ro : company training catalog, consultancy and YouTube playlists.

Modular Monolith - a Practical Alternative to Microservices @ Devoxx UK 2024

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Scaling API-first – The story of a global engineering organization Ian Reasor, Senior Computer Scientist - Adobe Radu Cotescu, Senior Computer Scientist - Adobe Apidays New York 2024: The API Economy in the AI Era (April 30 & May 1, 2024) ------ Check out our conferences at https://www.apidays.global/ Do you want to sponsor or talk at one of our conferences? https://apidays.typeform.com/to/ILJeAaV8 Learn more on APIscene, the global media made by the community for the community: https://www.apiscene.io Explore the API ecosystem with the API Landscape: https://apilandscape.apiscene.io/

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Keynote 2: APIs in 2030: The Risk of Technological Sleepwalk Paolo Malinverno, Growth Advisor - The Business of Technology Apidays New York 2024: The API Economy in the AI Era (April 30 & May 1, 2024) ------ Check out our conferences at https://www.apidays.global/ Do you want to sponsor or talk at one of our conferences? https://apidays.typeform.com/to/ILJeAaV8 Learn more on APIscene, the global media made by the community for the community: https://www.apiscene.io Explore the API ecosystem with the API Landscape: https://apilandscape.apiscene.io/

Apidays New York 2024 - APIs in 2030: The Risk of Technological Sleepwalk by ...

apidays

Sidekick Solutions uses Bonterra Impact Management (fka Social Solutions Apricot) and automation solutions to integrate data for business workflows. We believe integration and automation are essential to user experience and the promise of efficient work through technology. Automation is the critical ingredient to realizing that full vision. We develop integration products and services for Bonterra Case Management software to support the deployment of automations for a variety of use cases. This video focuses on the deployment of external web forms using Jotform for Bonterra Impact Management. This solution can be customized to your organization’s needs and deployed to support the common use cases below: - Intake and consent - Assessments - Surveys - Applications - Program registration Interested in deploying web form automations for Bonterra Impact Management? Contact us at sales@sidekicksolutionsllc.com to discuss next steps.

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Join our latest Connector Corner webinar to discover how UiPath Integration Service revolutionizes API-centric automation in a 'Quote to Cash' process—and how that automation empowers businesses to accelerate revenue generation. A comprehensive demo will explore connecting systems, GenAI, and people, through powerful pre-built connectors designed to speed process cycle times. Speakers: James Dickson, Senior Software Engineer Charlie Greenberg, Host, Product Marketing Manager

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Passkeys: Developing APIs to enable passwordless authentication Cody Salas, Sr Developer Advocate | Solutions Architect - Yubico Apidays New York 2024: The API Economy in the AI Era (April 30 & May 1, 2024) ------ Check out our conferences at https://www.apidays.global/ Do you want to sponsor or talk at one of our conferences? https://apidays.typeform.com/to/ILJeAaV8 Learn more on APIscene, the global media made by the community for the community: https://www.apiscene.io Explore the API ecosystem with the API Landscape: https://apilandscape.apiscene.io/

Apidays New York 2024 - Passkeys: Developing APIs to enable passwordless auth...

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Following the popularity of “Cloud Revolution: Exploring the New Wave of Serverless Spatial Data,” we’re thrilled to announce this much-anticipated encore webinar. In this sequel, we’ll dive deeper into the Cloud-Native realm by uncovering practical applications and FME support for these new formats, including COGs, COPC, FlatGeoBuf, GeoParquet, STAC, and ZARR. Building on the foundation laid by industry leaders Michelle Roby of Radiant Earth and Chris Holmes of Planet in the first webinar, this second part offers an in-depth look at the real-world application and behind-the-scenes dynamics of these cutting-edge formats. We will spotlight specific use-cases and workflows, showcasing their efficiency and relevance in practical scenarios. Discover the vast possibilities each format holds, highlighted through detailed discussions and demonstrations. Our expert speakers will dissect the key aspects and provide critical takeaways for effective use, ensuring attendees leave with a thorough understanding of how to apply these formats in their own projects. Elevate your understanding of how FME supports these cutting-edge technologies, enhancing your ability to manage, share, and analyze spatial data. Whether you’re building on knowledge from our initial session or are new to the serverless spatial data landscape, this webinar is your gateway to mastering cloud-native formats in your workflows.

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Tracing the root cause of a performance issue requires a lot of patience, experience, and focus. It’s so hard that we sometimes attempt to guess by trying out tentative fixes, but that usually results in frustration, messy code, and a considerable waste of time and money. This talk explains how to correctly zoom in on a performance bottleneck using three levels of profiling: distributed tracing, metrics, and method profiling. After we learn to read the JVM profiler output as a flame graph, we explore a series of bottlenecks typical for backend systems, like connection/thread pool starvation, invisible aspects, blocking code, hot CPU methods, lock contention, and Virtual Thread pinning, and we learn to trace them even if they occur in library code you are not familiar with. Attend this talk and prepare for the performance issues that will eventually hit any successful system. About authorWith two decades of experience, Victor is a Java Champion working as a trainer for top companies in Europe. Five thousands developers in 120 companies attended his workshops, so he gets to debate every week the challenges that various projects struggle with. In return, Victor summarizes key points from these workshops in conference talks and online meetups for the European Software Crafters, the world’s largest developer community around architecture, refactoring, and testing. Discover how Victor can help you on victorrentea.ro : company training catalog, consultancy and YouTube playlists.

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The presentation was made in “Web3 Fusion: Embracing AI and Beyond” is more than a conference; it's a journey into the heart of digital transformation. The conference a provided a platform where the future of technology meets practical application. This three-day hybrid event, set in the heart of innovation, served as a gateway to the latest trends and transformative discussions in AI, Blockchain, IoT, AR/VR, and their collective impact on the information space.

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In this keynote, Asanka Abeysinghe, CTO,WSO2 will explore the shift towards platformless technology ecosystems and their importance in driving digital adaptability and innovation. We will discuss strategies for leveraging decentralized architectures and integrating diverse technologies, with a focus on building resilient, flexible, and future-ready IT infrastructures. We will also highlight WSO2's roadmap, emphasizing our commitment to supporting this transformative journey with our evolving product suite.

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Confess_2011 - Rapid Rich Client Development with Spring Roo and GWT

1. Click to edit Master /tle style  Rapid Rich Client   +  =  Development  Kai Wähner, MaibornWolﬀ et al GmbH 

2. I confess…  Click to edit Master /tle style  ... that I loved „Copy and Paste“

3. Inten/on of this Session  Click to edit Master /tle style  Bullet Point   Boot Camp  Just a few Slides...

4. Inten/on of this Session  Click to edit Master /tle style  ... rather a lot of Live Hacking !!!

5. What is the Key Message?  Click to edit Master /tle style 

6. Key Message  Click to edit Master /tle style  Learn what Spring Roo is!

7. Key Message  Click to edit Master /tle style  Learn what Spring Roo is! Learn how to develope with Spring Roo and GWT!

8. Key Message  Click to edit Master /tle style  Learn what Spring Roo is! Learn how to develope with Spring Roo and GWT! Learn when to use Spring Roo!

9. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

10. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

11. What is Spring Roo?  Click to edit Master /tle style  Web-Framework Full-Stack-Framework

12. What is Spring Roo?  Click to edit Master /tle style 

13. What is Spring Roo?  Click to edit Master /tle style  Configuration Marathon Roo-Shell

14. IDE‐Support?  Click to edit Master /tle style  AspectJ Roo-Shell

15. IDE‐Support?  Click to edit Master /tle style  AspectJ Roo-Shell

16. IDE‐Support?  Click to edit Master /tle style  AspectJ Roo-Shell

17. What is GWT?  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

18. What is Google Web Toolkit (GWT)?  Click to edit Master /tle style  GWT is a Web-Framework to create Rich Clients

19. What is Google Web Toolkit (GWT)?  Click to edit Master /tle style  No HTML, DOM, XMLHttpRequest, JavaScript? But YOU code Java!

20. What is Google Web Toolkit (GWT)?  Click to edit Master /tle style  Plenty of Server-Communication? Client-centric Approach!

21. What is Google Web Toolkit (GWT)?  Click to edit Master /tle style  Update View View  Presenter  User Events Model Model Updates and Changes Queries Model  Design Pattern: Model View Presenter (MVP)

22. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

23. Use Case: (Very simple) Project Management  Click to edit Master /tle style 

24. Use Case: (Very simple) Project Management  Click to edit Master /tle style  ⇒  Use Case 1: No existing Database

25. Use Case: (Very simple) Project Management  Click to edit Master /tle style  ⇒  Use Case 1: No existing Database ⇒  Use Case 2: Reverse Engineering (existing Database)

26. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

27. Live‐Demo  Click to edit Master /tle style  Enough of the Theory! ⇒  Let‘s start LIVE HACKING...

28. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

29. Use Add‐ons!  Click to edit Master /tle style 

30. Use other Spring Stuﬀ! (if possible)  Click to edit Master /tle style  Just a Cutout of Spring Projects

31. Know that you can remove Spring Roo!  Click to edit Master /tle style 

32. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

33. No Undo‐Command  Click to edit Master /tle style 

34. Soooooooo many GWT‐Files  Click to edit Master /tle style 

35. High Complexity of GWT‐Files  Click to edit Master /tle style  Activity Update View View  Presenter  User Events ActivityMapper Place Model Updates and Model ClientFactory Changes Queries EventBus PlaceHistoryMapper RequestFactory Model  EntityProxy ValueProxy ServiceLocator

36. No Finder‐GUI in GWT yet  Click to edit Master /tle style 

37. S/ll Hope for GWT‐related Improvements  Click to edit Master /tle style 

38. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

39. Diﬀerent Types of Web Applica/ons  Click to edit Master /tle style  Classical   Portal  Web  CRUD  Applica/on  Time to  Short  Long  Develope  Rich Internet  Rich Client  Applica/on  (RIA) 

40. Spring Roo is awesome for CRUD‐Clients  Click to edit Master /tle style  Classical   Portal  Web  CRUD  Applica/on  Time to  Short  Long  Develope  Rich Internet  Rich Client  Applica/on  (RIA) 

41. Spring Roo is good for Learning, too!  Click to edit Master /tle style 

42. I heard: Spring Roo is good for Prototyping, too!  Click to edit Master /tle style 

43. I heard: Spring Roo is good for Prototyping, too!  Click to edit Master /tle style  TRUE for Spring Applications

44. Spring Roo is awesome for CRUD‐Clients  Click to edit Master /tle style  80 % !!! Classical   Portal  Web  CRUD  Applica/on  Time to  Short  Long  Develope  Rich Internet  Rich Client  Applica/on  (RIA) 

45. CRUD Frameworks within Java Environment  Click to edit Master /tle style  (Roma Framework) 

46. CRUD Frameworks within Java Environment  Click to edit Master /tle style  Good CRUD Framework  (Roma Framework) 

47. CRUD Frameworks within Java Environment  Click to edit Master /tle style  Good CRUD Framework  (Roma Framework)  No Java 

48. CRUD Frameworks within Java Environment  Click to edit Master /tle style  Good CRUD Framework  No powerful Vendor  (Roma Framework)  No large Community  No Java 

49. I am NOT a Spring Dude!  Click to edit Master /tle style  JEE 5 / 6 Spring

50. … and the Winner is:  Click to edit Master /tle style  * from the View of a Java Developer!

51. Key Message arrived?  Click to edit Master /tle style 

52. Key Message  Click to edit Master /tle style  Learn what Spring Roo is! Learn how to develope with Spring Roo and GWT! Learn when to use Spring Roo!

53. Key Message arrived?  Click to edit Master /tle style 

54. Whet your Appe/te?  Click to edit Master /tle style 

55. Get Part of the Community!  Click to edit Master /tle style 

56. Thank you for your Aen/on… Ques/ons?  Click to edit Master /tle style  + = Rapid Rich Client Development Kai Wähner  IT‐Consultant  Mobile  +49 151 544 277 88  Email     kai.waehner@mwea.de  Twier   @KaiWaehner  MaibornWolﬀ et al GmbH | Theresienhöhe 13 | D‐80339 München 

Confess_2011 - Rapid Rich Client Development with Spring Roo and GWT

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