Introduction to Quartz Scheduler

When  you are implementing new functionality in Java, you may have to run a task in one of the following ways.

• daily at 8.00AM. 

• after every 10 minutes.

• only weekends.

• once a month or year.

You need to use a scheduler to fulfil this requirement and you can select one of the following.

How to add FHIR module into the OpenMRS Platform?

What is OpenMRS?

A few decades back,  all the medical reports of patients were recorded as paper records. It could not be easy to manage and had to spend more time when working on them. When modern technology came, Health Care Applications were created and used to effectively record and manage patient medical records. Some of the Health Care applications are created as free and open source applications. OpenMRS is one of the open-source EMR tools that have been developed and implemented since 2004. It is used by healthcare workers over 5,500 health facilities around the world including 169 countries.

What is FHIR?

FHIR is the abbreviation for Fast Healthcare Interoperability Resources. It provides a standard to exchange electronic healthcare records by defining data formats and resources. 

What is WSO2 ESB?

What is ESB?

An Enterprise Service Bus (ESB) is fundamentally a software architecture. It gives a communication system between mutually interacting software applications in a service-oriented architecture. It removes the point-to-point integration and integrates numerous applications together over a bus-like infrastructure. It will handle transforming and routing the messages according to their appropriate destinations.

Getting Started with Maven

Since Ant, Maven, and Gradle are dominated in the JVM ecosystem as  Java build automation tools, you may be familiar with Maven If you have ever worked on a Java Project.

Let’s explore how these Java build automation tools evolved in the JVM ecosystem.

• Apache Ant (“Another Neat Tool”) is a Java library which is used to automate the build processes for Java applications. Other than that it can be used for building non-Java applications.
• Apache Maven is a build automation tool and also a dependency management tool. It is primarily used for Java applications. Maven also uses XML files the same as Apache Ant but in a much more manageable way.
• Gradle is a dependency management and a build automation tool which was built upon the concepts of Ant and Maven.

In this article, I am going to discuss Maven as a dependency management tool. 

Glance over AWS re:Invent 2019

AWS re:Invent is one of the major learning conferences for global cloud computing community. It is hosted by Amazon Web Services. This event consists of keynote announcements, training, technical sessions, certification opportunities and many more. Last time it took place in Las Vegas, USA in December with over 75 launches and announcements of new services and features. 

How to skip certain error or next n number of errors in MySQL replication environment?

MySQL replication is a process which replicates all the data in the MySQL master database to MySQL slave database/s.

How to send custom Email using AWS SES on Node.js App?

Amazon Simple Email Service (AWS SES) enables you to send and receive email using a reliable and scalable email platform. It only provides a sandbox environment by default to prevent spamming. Amazon SES requires to verify your identities (the domains or email addresses that you used to send emails and receive emails ) in the sandbox environment to confirm that you own them. Because you are only allowed to send emails from verified identities.

The Twelve-Factor App Methodology for building a successful SaaS Applications

The Twelve-Factor app was published by Heroku co-founder Adam Wiggins in 2011. The Twelve-Factor App Methodology is used to build a successful SaaS Applications. I have discussed 6 factors of The Twelve-Factor App Methodology in the previous article. And the remaining factors will be discussed on here.

The Twelve-Factor App Methodology for building a successful SaaS Applications

Software as a Service (SaaS) is a software licensing and delivery model. Here, the service provider hosts applications and makes them available to customers over the Internet. Salesforce.com is a well-known example of software as a service.

What is Level of Assurance?

An entity can be a person, a server a or a client etc. We need secure and standard ways to do entity authentication.

To fulfil that requirement International Standard defines a framework for managing entity authentication assurance in a given context. Which is named as  Entity Authentication Assurance  Framework (EAAF). It specifies four Levels of Assurance(LoA).