JPA: How to apply Row Level Filter
Guys, Recently we got requirement to build an application where row level filter is required. example: Application provides service to different clients and we have to separate data for each client so no client can access other clients data. Tech Stack Spring JPA/Hibernate Any Database Add common field to every Entity To distinguish data clientwise
Spring-Boot application.properties and yml property/file precedence: Interview Experience
Guys, Again sharing one more spring boot interview experience. This is a part 2 of our previous blog we have explained Which file will be used by spring boot if one file(application.properties) is present at your src/main/resources path inside the jar and one more file present parallel to your jar file in file system ? In
How Spring-Boot autocofiguration works?
Guys, "How Spring-Boot autocofiguration works?" This is a common question you will face in interview for java, microservice interiew. Here is some tips ... How spring-boot will autoconfigure works ? Spring-boot engine will scan your classpath and try to build required beans/configuration based on given configuration/properties. example: If you have added spring-boot-starter-data-jpa dependecy in your
Handling FallBack and TimeOut in MicroService using Hystrix
Guys, Let’s look into a useful feature that we should use while working with microservice architecture. While working with this type of architecture, especially you are exposing your services as an API and available for third party use you have to be careful to provide proper response and in timely fashion. Goal Our primary goal
Spring boot: Documenting an Microservices using Swagger
Today I would like to share simple but helpful concept for documenting an API using swagger. In traditional approach people are creating a document to to show API detail. We are facing multiple issue in approach like We need to change a document if API changed. For very large project it would be hard to
Microservice Registration and Discovery with Eureka
In the previous post we learned how to create microservice and how multiple microservices can communicate with each other. In the last section(Issue Section) of previous post i have mentioned one issue where we have hard coded other microservices urls like http://localhost:8081 or http://localhost:8082 and in real time environment it may vary. The typical solution
Spring Boot: Microservice Enhanced
In early series of Spring Boot demo we have gone through basics of booting an application using spring boot. In this blog i’ll show you what is microservice pattern and how actually we can implement. When microservice will be useful Below is the list of scenario where microservice is useful. Divide whole application in workable
Spring Boot: AOP + AspectJ annotation example
In this tutorial i will show you how AOP works with spring and AspectJ also what all basic things are required to dive into it. Here I am creating this demo using spring-boot framework and used AspectJ to intercept methods. AspectJ AspectJ is a java based cross-platform extension for aspect-oriented programming. It is now available
Integrate Telegram Bot using Java
Hi Guys, A short and really useful blog on Telegram Bot. Before writing ahead i want to say a big thank you to Telegram for providing such a rich API and flexibility to create our own bot. Use Case Official telegram site shows many use cases where bot is really useful. Here i used telegram
Spring Boot: Java Mail Api
Hi Guys, I would like to share simple but helpful concept to send a mail from boot application. Spring boot provides a starter module which configure automatically based on provided properties and avail to use, by default spring framework provides abstraction to send mail using JavaMailSender interface. To do same you have to change below
