Course Name:Hibernate Training
Course Duration:3 month
Course Fees:25,000
(Hibernate Training Objectives
• Understand the benefits of Hibernate
• Understand the Hibernate architecture
• Create Hibernate based applications
• Understand and use Hibernate mapping to map persistent objects to the database
• Understand and work with collections and associations
• Value and Entity Types
• Bidrectional and unidirectional
• 1-1, 1-N, N-N
• Use Hibernate’s versioning support
• Map inheritance hierarchies using Hibernate
• Work with Hibernate queries, HQL, and Criteria
• Performance tune your Hibernate applications
• Understand Hibernate transaction support
• Understand the relationship between Hibernate and Java Persistence / EJB 3
• Use the new Hibernate annotations to do OR mapping)
Syllabus:
Introduction to Hibernate
• Issues with Persistence layers and Object-Relational Mapping (ORM)
• Hibernate Overview and Benefits
• Hibernate architecture overview
• POJO (Plain Old Java Object) Based Mapping
Getting started with Hibernate quickly
• Overview of the Hibernate distribution
Configuring Hibernate
• hibernate.cfg.xml file
• SessionFactory configuration
• Connection properties, Database dialect
• Configuration class, Session Interface
• “Hello Work” Program for Hibernate
• Mapping a Class
• Persistent Entity Class, Hibernate Mapping
• File, Mapping the Entity Class
• Primary keys: Id property, Generated Id
• Hibernate Type System
• Working with sessions and Persistent Objects
• Logging – log4j Overview and configuration for Hibernate
Querying
• Inserting and Updating Entities
• HQL – Hibernate Query Language Overview
• The Query Interface
• Creating and working with queries
• Named Queries, Projection Queries, Aggregate Queries
The Persistence Lifecycle
• Transaction Overview and Transactions in Hibernate
• Hibernate Transaction API (in Managed and Non-managed Environments)
• The lifecycle of managed objects
• Persistent, transient, and detached objects
• The Persistence (Session) Context (Lifespan, Relation to Managed Objects, Propagation)
• Contextual Sessions
• Synchronization to the Database
• The Session as cache
Optimistic Locking / Versioning
• Detached Objects and Optimistic Locking
• Versioning overview and Using Versioning
• Locking Objects
Relationships
• Object Relationship Overview
• Mapping Collections of Value Objects
• Entity Relationships: 1-N, N-1, N-N, 1-1
• Mapping Entity Relationships
• Uni and Bi-directional Relationships
• The Relationship “inverse”
• Cascading Over Relationships
• Queries Across Relationships (Lazy and Eager)
Inheritance Mapping
• Entity Inheritance with Hibernate
• Table-per-class mapping
• Table per Subclass mapping
• Table per Concrete Class mapping
• Additional Querying Capabilities
• Projection Queries, Aggregate queries
• Bulk updates and deletes
• Native SQL Queries
• Query Filters
The Criteria API
• Overview of the Criteria API
• Working Querying with the Criteria API
• Query by Example
Hibernate and Java Persistence / EJB 3
• Overview of Java Persistence / EJB 3
• Relationship between Java Persistence and Hibernate
• Overview of Annotations
• Mapping Entities with Hibernate Annotations
• The EntityManager, Persistence Context and Persistence Unit
• Working with Transactions – EntityTransaction, Managed, and Unmanaged Environments
• Inserts and Updates
• JPQL – Java Persistence Query Language
• Versioning
• Relationships
Hibernate Advanced Concepts
• Components and Multi-Table Mapping
• equals() and hashCode()
• Caching and Efficiency
• Design Considerations