Accessing cache provider’s CacheManager implementation

This post explains how to access the cache provider’s CacheManager implementation through java cache api. In all my previous post related to Caching, I gave examples where I was using cache provider for caching functionality through the Java Cache API. The java cache api is set of specifications, which are implemented by cache providers and… Continue reading Accessing cache provider’s CacheManager implementation

Configuring cache non-programmatically

This post explains how to externalize cache configuration to a file instead of configuring them programmatically. For our example, I will be using ehcache tool. Below is the ehcache file which describe the configuration information required to create a cache named “ready-cache”. The key and value data type is String and the entries will be… Continue reading Configuring cache non-programmatically

Quartz Simple Example

Quartz schedular framework can be used to schedule jobs. This post explains how we can use it with a simple example. We need the below jars 1) c3p0- 2) log4j-1.2.16.jar 3) quartz-2.2.3.jar 4) quartz-jobs-2.2.3.jar 5) slf4j-api-1.7.7.jar 6) slf4j-log4j12-1.7.7.jar log4j.xml file in the classpath with the below configurations log4j.xml <?xml version=”1.0″ encoding=”UTF-8″?> <!DOCTYPE log4j:configuration SYSTEM “log4j.dtd”>… Continue reading Quartz Simple Example

Achieving data binding with object model

This post explains how to achieve mapping of json data represented by an object model to particular java object. Here object model is tree like data structure which reads and stores the entire json content in memory. The difference between this post and other posts in Binding section is that latter posts explains marshalling and… Continue reading Achieving data binding with object model

Creating a custom expiry policy factory

This post explains how to create a custom expiry policy for the cache. Below is the example Custom Expiry Policy 1 import java.util.concurrent.TimeUnit; 2 3 import javax.cache.expiry.Duration; 4 import javax.cache.expiry.ExpiryPolicy; 5 6 public class CustomTouchedExpiryPolicy implements ExpiryPolicy { 7 @Override 8 public Duration getExpiryForAccess() { 9 Duration duration = new Duration(TimeUnit.MINUTES, 2); 10 return duration;… Continue reading Creating a custom expiry policy factory