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The DAO with Spring and Hibernate 1. Overview This article will show how to implement the DAO with Spring and Hibernate. For the core Hibernate configuration, check out the previous Hibernate 5 with Spring article. 2. No More Spring Templates Starting Spring 3.0 and Hibernate 3.0.1, the Spring HibernateTemplate is… Continue Reading persistence-layer-with-spring-and-hibernate

Eager/Lazy Loading In Hibernate 1. Introduction When working with an ORM, data fetching/loading can be classified into two types: eager and lazy. In this quick article we are going to point out differences and show those can be used in Hibernate. 2. Maven Dependencies In order to use Hibernate, let’s… Continue Reading hibernate-lazy-eager-loading

Get All Data from a Table with Hibernate 1. Overview In this quick tutorial, we’ll look at how to get all data from a table with Hibernate using JPQL or the Criteria API. JPQL provides us with a quicker and simpler implementation while using the Criteria API is more dynamic… Continue Reading hibernate-select-all

Using c3p0 with Hibernate 1. Overview It’s quite expensive to establish database connections. Database connection pooling is a well-established way to lower this expenditure. In this tutorial, we’ll discuss how to use c3p0 with Hibernate to pool connections. 2. What is c3p0? c3p0 is a Java library that provides a… Continue Reading hibernate-c3p0

Hibernate One to Many Annotation Tutorial 1. Introduction This quick Hibernate tutorial will take us through an example of a one-to-many mapping using JPA annotations – an alternative to XML. We’ll also learn what bidirectional relationships are, how they can create inconsistencies, and how the idea of ownership can help. Further reading: Spring… Continue Reading hibernate-one-to-many

Criteria Queries Using JPA Metamodel 1. Overview In this tutorial, we’ll discuss how to use the JPA static metamodel classes while writing criteria queries in Hibernate. We’ll need a basic understanding of criteria query APIs in Hibernate, so please check out our tutorial on Criteria Queries for more information on this… Continue Reading hibernate-criteria-queries-metamodel

Bootstrapping Hibernate 5 with Spring 1. Overview In this article, we’ll discuss how to bootstrap Hibernate 5 with Spring, using both Java and XML configuration. 2. Spring Integration Bootstrapping a SessionFactory with the native Hibernate API is a bit complicated and would take us quite a few lines of code… Continue Reading hibernate-5-spring

Hibernate 3 with Spring 1. Overview This article will focus on setting up Hibernate 3 with Spring – we’ll look at how to use both XML and Java configuration to set up Spring with Hibernate 3 and MySQL. Update: this article is focused on Hibernate 3. If you’re looking for… Continue Reading hibernate3-spring

Mapping LOB Data in Hibernate 1. Overview LOB or Large OBject refers to a variable length datatype for storing large objects. The datatype has two variants: CLOB – Character Large Object will store large text data BLOB – Binary Large Object is for storing binary data like image, audio, or… Continue Reading hibernate-lob