Introduction to Spring 5 and JPA2

5 Ratings

Course Number: SPRG-208

Duration: 5 days (32.5 hours)

Format: Live, hands-on

Spring Framework Training Overview

This Spring 5 and JPA2 training teaches students how to use Spring Boot for dependency management and to create JPA-based repositories using Spring Data. Students learn the three main configuration styles: Java-based (@Configuration), annotation-based (@Component), and the traditional XML-based configuration.

Location and Pricing

Accelebrate offers instructor-led enterprise training for groups of 3 or more online or at your site. Most Accelebrate classes can be flexibly scheduled for your group, including delivery in half-day segments across a week or set of weeks. To receive a customized proposal and price quote for private corporate training on-site or online, please contact us.

In addition, some Java courses are available as live, online classes for individuals.

Objectives

  • Understand the core principles of Spring, and of Dependency Injection (DI) / Inversion of Control
  • Use the Spring Core module and DI to configure and wire application objects (beans) together
  • Know the different types of metadata (XML, annotations/@Component, and Java Configuration/@Configuration), and how and when to use them
  • Understand and use the complete capabilities of the Core module, such as lifecycle events, bean scopes, and the Spring API
  • Use Spring Boot to simplify dependency management and configuration
  • Understand the benefits of JPA and the JPA Architecture
  • Create JPA based applications
  • Work with the ORM (Object-Relational Mapping) module to integrate Spring with JPA.
  • Understand and use Spring's transaction support, including the easy-to-use Java annotation support, as well as the tx/aop XML configuration elements
  • Understand and use JPA mapping to map persistent objects to the database
  • Work with JPA queries and JPQL
  • Understand and work with collections and associations (Value and entity types, unidirectional, bidirectional, 1-1, 1-N, N-N
  • Use JPA's versioning support
  • Map inheritance hierarchies using JPA
  • Integrate Spring/JPA with Java EE Web applications
  • Use Spring Data to automatically generate JPA-based repositories with auto-generated queries

Prerequisites

All attendees must have at least one year of full-time Java and JSP development experience. Prior experience with servlets and JSP is recommended but not required.

Outline

Expand All | Collapse All

Introduction to Spring
  • Overview of Spring Technology
    • Motivation for Spring, Spring Architecture
    • The Spring Framework
  • Spring Introduction
    • Declaring and Managing Beans
    • ApplicationContexts - The Spring Container
    • XML and @Component/@Named Config
  • Dependencies and Dependency Injection (DI)
    • Examining Dependencies
    • Dependency Inversion / Dependency Injection (DI)
    • DI in Spring - XML and @Autowired
Configuration in Depth
  • Java Based Configuration (@Configuration)
    • Overview, @Configuration, @Bean
    • Dependency Injection
    • Resolving Dependencies
  • Integrating Configuration Types
    • XML and @Component Pros/Cons
    • @Configuration Pros/Cons
    • Choosing a Configuration Style
    • Integrating with @Import and <import>
  • Bean Scope and Lifecycle
    • Singleton, Prototype, and Other Scopes
    • Configuring Scope
    • Bean Lifecycle / Callbacks
  • Externalizing Properties
    • Properties Files
    • @PropertySource, property-placeholder
    • Using @Value
    • SpEL
  • Profiles
    • Overview and Configuration
    • Activating Profiles
Spring Boot Overview
  • maven and Spring
  • Spring Boot Structure
  • Spring POMs with Boot Parents
  • Spring Boot Starters
  • Other Capabilities
Spring Testing
  • Testing and JUnit Overview
    • Writing Tests - Test Classes, asserts, Naming Conventions
    • Running Tests - IDE, maven, ...
    • Test Fixtures - setup and teardown
  • Spring TestContext Framework
    • Overview
    • Configuration
    • Running Tests
Introduction to Java Persistence API (JPA2)
  • Overview
    • Persistence Layers, Object-Relational Mapping (ORM), JDBC
    • JPA Overview
  • Mapping with JPA
    • Entities and @Entity, ids and @Id,
    • Generated Id Values
    • Basic Mapping Types
  • Persistence Unit and EntityManager
    • Persisting to the DB, the EntityManager API
    • Persistence Units, Config, Persistence Context
    • Retrieving Persistent Entities with find()
  • More About Mappings
    • Default Mappings, @Basic, @Column
    • Field vs. Property Access
    • Temporal (Date/Time) Mappings
    • Java 8 Data/Time Mapping
  • equals() and hashCode()
  • Logging Options (Provider based)
Spring/JPA Integration
  • Spring's DataSource Support
  • Managing the EntityManager (EM)
  • LocalContainerEntityManagerFactoryBean and Container-managed EMs
  • JEE and JNDI Lookup of the EM
  • Configuration and Vendor Adaptors
  • Creating a JPA Repository/DAO Bean - @PersistenceUnit, @PersistenceContext
JPA Updates and Queries
  • Inserting Updating, and Deleting Entities
  • Querying and JPQL
    • Entity Based Queries, SELECT, WHERE
    • Query Interface, Executing Queries, Generic Queries (JPA 2)
    • JPQL Operators, Expressions, and Parameters
    • Named Queries
  • Additional Query Capabilities - Projection and Aggregate Query, Embedded Objects
Transactions
  • TX Overview and JPA Transactions
  • Spring's Declarative TX Management (REQUIRED, etc.)
  • @Transactional
  • TX Scope and Propagation
  • Pointcut-based Configuration of Transactions
The JPA Persistence Lifecycle
  • The Persistence Lifecycle
    • JPA Entity States (New, Managed, Detached, Removed), and Entity State Diagram
    • Persistence Context - Lifespan, Propagation
    • Synchronization to the DB
  • Versioning and Optimistic Locking
    • Overview, Detached Instances
    • Versioning, @Version, Optimistic Locking
  • Lifecycle Callbacks
    • @PrePersist, @PostPersist, etc.
    • Entity Listeners, @EntityListeners
Relationships
  • Relationships Overview: Object Relationships, Participants, Roles, Directionality, Cardinality
  • Relationship Mapping
    • Mapping Overview (1-1, 1-N, N-1, N-N)
    • Unidirectional and Bidirectional
    • @ManyToOne, @OneToMany, @ManyToMany, @OneToOne with Table Structures
    • Relationship Inverse - Owning Side
    • Collection Types (List, Set, etc)
    • Cascading, Lazy and Eager Loading
    • Queries Across Relationships (Inner Joins, Outer Joins, Fetch Joins)
  • Entity Inheritance Mapping
    • Overview
    • Single Table, Joined (Table per Subclass), Table per Concrete Class Mappings
    • Pros and Cons of Mapping Strategies
Spring Web Integration
  • Integrating Spring with Java EE Web Apps
    • ContextLoaderListener
    • WebApplicationContext
    • Using Spring beans in Wep app controller logic
  • Open EntityManager in View
    • Lazy Loading Issue in Web Apps
    • Open EntityManager in View Pattern
    • Using Spring's OpenEntityManagerInViewFilter/Interceptor
Spring Data Introduction
  • Overview and Architecture
  • Configuring Spring Data
  • Repositories and JPA Repositories
  • Using CrudRepository
  • Using Spring Data
  • Naming Conventions for Querying
  • Creating more Complex Queries
  • Query Configuration
Additional Topics
  • Spring 5: Core Updates
  • JPA: Embedded Objects
  • JPA: Compound Primary Keys
  • JPA: Element Collections
Conclusion

Training Materials:

All attendees receive comprehensive courseware covering all subjects in the course.

Software Requirements:

  • JDK 8 or later (required for Spring 5)
  • IntelliJ IDEA, Eclipse with Spring Tools, or another IDE of your choice
  • Related lab files that Accelebrate provides
  • Other free software - please contact us if you have purchased this class.


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