下载PDF
MS Learning & Consulting: Enhancing Development Efficiency with JRebel and Liferay
技术
- 应用基础设施与中间件 - 数据交换与集成
- 应用基础设施与中间件 - 中间件、SDK 和库
适用行业
- 教育
- Professional Service
适用功能
- 商业运营
- 产品研发
用例
- 远程协作
服务
- 软件设计与工程服务
- 系统集成
挑战
Muhammed Shakir, the CEO/Founder of MS Learning & Consulting, faced significant delays in the development process due to the need for frequent redeploys. The application, which has a presentation layer and a web service layer, is hosted on Tomcat 7.x. The presentation layer is JQuery-based and interacts with Java components that make web service calls. The web service layer runs in a separate module and war file. Each time a change was made to a .java file in Eclipse, the context was reloaded, creating a new instance of WebAppClassLoader. This new instance did not contain the objects of class Class that held the bytecode of the classes used by the application, leading to a 'classloader hell' situation. This issue was exacerbated by the fact that Muhammed preferred a step-by-step coding and testing approach, which required frequent redeploys, further increasing the overhead and turnaround time.
关于客户
MS Learning & Consulting is a 17-year-old company specializing in consulting and training. The company spends around 8-10 days a month on training in areas such as Java Concurrency, Java Performance, and Liferay. The consulting work focuses on development and architecture best practices, including code reviews and architecture POCs. Muhammed Shakir, the CEO/Founder, has over 17 years of industry experience and is also an application developer. He designed and developed the portal for the company's website, which provides a wealth of course content and learning materials. The education platform uses Liferay, which Muhammed has been customizing and configuring for years, giving him a significant advantage in tuning the platform.
解决方案
To address the issue of frequent redeploys and the resulting delays, Muhammed implemented JRebel in the presentation layer of the application. JRebel allows for instant reloading of changes made to Java classes without the need for a full redeploy, significantly reducing the turnaround time. However, JRebel was not initially used in the web service layer. Muhammed is keen to implement pattern-matched includes/excludes to use JRebel in the web service layer without reloading the code generated by Liferay every time. This would further streamline the development process and reduce the overhead associated with frequent redeploys. By using JRebel, Muhammed can continue his preferred step-by-step coding and testing approach without the significant delays previously experienced.
运营影响
数量效益
相关案例.
Case Study
IoT platform Enables Safety Solutions for U.S. School Districts
Designed to alert drivers when schoolchildren are present, especially in low-visibility conditions, school-zone flasher signals are typically updated manually at each school. The switching is based on the school calendar and manually changed when an unexpected early dismissal occurs, as in the case of a weather-event altering the normal schedule. The process to reprogram the flashers requires a significant effort by school district personnel to implement due to the large number of warning flashers installed across an entire school district.
Case Study
Revolutionizing Medical Training in India: GSL Smart Lab and the LAP Mentor
The GSL SMART Lab, a collective effort of the GSL College of Medicine and the GSL College of Nursing and Health Science, was facing a challenge in providing superior training to healthcare professionals. As clinical medicine was becoming more focused on patient safety and quality of care, the need for medical simulation to bridge the educational gap between the classroom and the clinical environment was becoming increasingly apparent. Dr. Sandeep Ganni, the director of the GSL SMART Lab, envisioned a world-class surgical and medical training center where physicians and healthcare professionals could learn skills through simulation training. He was looking for different simulators for different specialties to provide both basic and advanced simulation training. For laparoscopic surgery, he was interested in a high fidelity simulator that could provide basic surgical and suturing skills training for international accreditation as well as specific hands-on training in complex laparoscopic procedures for practicing physicians in India.
Case Study
Implementing Robotic Surgery Training Simulator for Enhanced Surgical Proficiency
Fundacio Puigvert, a leading European medical center specializing in Urology, Nephrology, and Andrology, faced a significant challenge in training its surgical residents. The institution recognized the need for a more standardized and comprehensive training curriculum, particularly in the area of robotic surgery. The challenge was underscored by two independent studies showing that less than 5% of residents in Italian and German residency programs could perform major or complex procedures by the end of their residency. The institution sought to establish a virtual reality simulation lab that would include endourological, laparoscopic, and robotic platforms. However, they needed a simulator that could replicate both the hardware and software of the robotic Da Vinci console used in the operating room, without being connected to the actual physical console. They also required a system that could provide both basic and advanced simulation training, and a metrics system to assess the proficiency of the trainees before they performed surgical procedures in the operating theater.
Case Study
Edinburgh Napier University streamlines long-distance learning with Cisco WebEX
• Geographically dispersed campus made in-person meetings costly and inconvenient.• Distance-learning programs in Malaysia, India, and China required dependable, user-friendly online tools to maximize interaction in collaborative workspaces.• Virtual learning environment required a separate sign-in process, resulting in a significant administrative burden for IT staff and limited adoption of collaboration technology.
Case Study
8x increased productivity with VKS
Before VKS, a teacher would spend a lot of time showing a group of 22 students how to build a set of stairs within a semester of 120 hours. Along with not leaving the teacher much time to provide one-on-one support for each student to properly learn carpentry, it also left a considerable amount of room for error. Key information would be misinterpreted or lost as the class was taught in the typical show-and-tell way.
Case Study
Scalable IoT Empowering GreenFlex's Sustainable Growth
GreenFlex, a company that supports sustainable development, decarbonization, and energy efficiency, faced several challenges in its quest to expand its business. The company needed to deploy a robust and sustainable IoT technology to support its growth. It was crucial for them to monitor and control devices at customer sites in a safe and reliable manner. They also needed to integrate devices across a range of communication protocols and gather and act on data to meet efficiency targets. GreenFlex had previously built IoT capabilities into its digital platform, GreenFlexIQ, to monitor and manage customer sites remotely. However, they soon realized that they needed a new platform to support their ambitions. They needed a platform that could scale to connect more devices for production management and make it easier for the operations team to manage devices in the field.
