Factory pattern is a creational pattern where the logic of creating an object of the class resides in a factory class, in this article, we will see how to implement a factory pattern that always returns a new instance of…
In Springboot when a bean is created, by default it is Singleton but if you annotate the bean with the scope as “prototype” still the bean are singleton in some cases, I this article we will see how we can…
In my previous post, I wrote about running infinite loop in Java and also I mention that it was not recommended way of doing and wrote an alternate way with Spring boot scheduling, read here. In this blog lets see how we…
In my previous post, I wrote about running infinite loop in Java and also I mention that it was not recommended way of doing and here is the alternative Instead of we implementing the infinite loop, you can offload that…
Spring Cloud Config Spring Cloud Config provides server-side and client-side support for externalized configuration in a distributed system. With the Config Server, you have a central place to manage external properties for applications across all environments. The concepts on both…
With vSphere 6.7 web services SOAP API includes the creation date of a Virtual Machine and will be persisted with the life-cycle of the VM itself. You can get it from Virtual Machine -> Config -> createDate. Earlier to 6.7,…
To fetch the querystring parameters in Controller we usually use request().queryString() Map<String, String[]> queryString = request().queryString(); If we have multiple query-string keys and want to use a POJO to use query-string instead of parsing everything in Controller we can use…
Cloud computing came through long way by replacing layer after a layer we used bare metal server then Virtual servers then Containers now Serverless computing Serverless is the next evolution of application and system design and deployment. Serverless applications are…
Amazon AWS Lambda functions are becoming more popular. Where I don’t need to setup and manage servers to Dev and deploy my code. Currently Lambda supports node Java python and C#. In the AWS reInvent AWS .Net team showed the…
I’ve been developing an automation scripts to provision and expand VMFS Datastore. Expand not Extent… I increased the storage volume size and need to increase the size of VMFS datastore without affording the downtime Here is the VIjava / YAVI Java code for…
