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How to programmatically add and remove elements from Ehcache

Pre-requisites This guide assumes that you have already configured Ehcache, and is specifically concerned with programmatic addition and removal of elements. Adding an element to a cache @Autowired private CacheManager cacheManager; […] public Ehcache getCache(String name) { return cacheManager.getCache(name); } In the above example we…

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Checkout a Git branch

If you are using GitFlow you will typically need to create a branch from ‘Develop’ to do your development work. To create the branch follow these steps: Clone the respository git clone git@bitbucket.org:example/example-repo.git Create the branch in the remote repository. Identify the repo with git branch  (optional)…

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Download and install Sigar

Sigar is a Java library that allows you to monitor various aspects of your system. Including Network, Memory, and CPU. To use Sigar in you Java application follow these steps: 1. Copy the following Maven dependency into your project:  <dependency> <groupId>org.gridkit.lab</groupId> <artifactId>sigar-lib</artifactId> <version>1.6.4</version> </dependency> 2.…

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How to implement custom queries using Spring-data and JPA

This tutorial will describe how to implement custom JPA methods for dynamically-driven queries in Spring Boot. Maven package dependencies <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.1.RELEASE</version> <relativePath /> </parent> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> </dependencies> The JPA interface Typically JPA…

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