JPA and Hibernate (STA_HIBI)

JPA and Hibernate Training Course

Course Contents - DAY 1

Course Introduction

• • Administration and Course Materials
• • Course Structure and Agenda
• • Delegate and Trainer Introductions

Session 1: INTRODUCTION TO HIBERNATE

• • The problems with JDBC
• • About ORM
• • The relationship between JPA and Hibernate
• • Hibernate architecture
• • Installing Hibernate
• • Configuring the SessionFactory (XML and Java)
• • Obtaining and using a Session (basic)

Session 2: BASIC ENTITY MAPPING

• • About entity mapping
• • XML mapping
• • Annotation mapping
• • Entity types
• • Value types
• • Embeddable types
• • Collections
• • Key generation

Session 3: THE HIBERNATE SESSION

• • About the Hibernate Session
• • Transient,persistent,and detached entity states
• • Hibernate transactions
• • Using the Session to perform basic CRUD operations

JPA and Hibernate Training Course

Course Contents - DAY 2

Session 4: COMPOSITE MAPPING

• • About composite mapping
• • One-to-one
• • One-to-many
• • Many-to-many
• • Uni vs bi-directional associations
• • Cascading
• • Eager vs lazy fetching
• • The n+1 problem

Session 5: INHERITANCE MAPPING

• • About inheritance mapping
• • Mapped superclass
• • Single table
• • Joined table
• • Table per class
• • Polymorphic queries

JPA and Hibernate Training Course

Course Contents - DAY 3

Session 6: HIBERNATE QUERY LANGAUGE (HQL)

• • About Hibernate Query Language (HQL)
• • Basic queries
• • Querying for a subset of the class's fields
• • Literal,ordinal,and named parameters
• • Single result queries
• • Functions
• • Queries with joins
• • Eager fetching
• • Ordering
• • Grouping
• • Native queries
• • Named queries
• • An introduction to criteria queries

Session 7: THE JPA ENTITYMANAGER

• • About the JPA EntityManager
• • Configuring the EntityManagerFactory (XML and Java)
• • Obtaining and using an EntityManager (basic)
• • About the Persistence Context
• • About the JPA Query Language (JPQL)
• • JPA EntityManager vs Hibernate Session

Session 8: PERFORMANCE TUNING

• • Discovering performance issues
• • Choosing the right fetch type
• • Query-specific fetching
• • Using Sets,not Lists,for many-to-many associations
• • Having the database do the heavy lifting
• • First and second-level cache
• • Performing bulk updates