Enterprise Java
-
JPA 2.1 Type Converter – The better way to persist enums
Persisting enums with JPA 2.0 is possible, but there is no nice way to do it. Using the @Enumerated annotation,…
Read More » -
ElasticSearch-Hadoop: Indexing product views count and customer top search query from Hadoop to ElasticSearch
This post covers to use ElasticSearch-Hadoop to read data from Hadoop system and index that in ElasticSearch. The functionality it…
Read More » -
Integration Tests for External Services
Our systems often depend on 3rd party services (They may even be services internal to the company that we have…
Read More » -
Hive: Query customer top search query and product views count using Apache Hive
This post covers to use Apache Hive to query the search clicks data stored under Hadoop. We will take examples…
Read More » -
Flume: Gathering customer product search clicks data using Apache Flume
This post covers to use Apache flume to gather customer product search clicks and store the information using hadoop and…
Read More » -
Declarative Linking in Jersey 2.9 and up
A couple of weeks ago A couple of months ago I was looking how I was going to engineers new…
Read More » -
Adding C3PO Connection Pooling in Spring JDBC
Connection pooling is an operation in which a system pre-initializes the connections to be used in the future. This is…
Read More » -
Java EE7 and Maven project for newbies – part 3 – defining the ejb services and jpa entities modules
Resuming from the previous parts Part #1 Part #2 We are resuming for the third part, we already have a…
Read More » -
Spring Integration 4.0: A complete XML-free example
1. Introduction Spring Integration 4.0 is finally here, and this release comes with very nice features. The one covered in…
Read More »
