JPA Training with Hibernate


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Course Outline

This course offers a comprehensive and detail-oriented treatment of Hibernate® 4.0 and the Java Persistence API (JPA) 2.0 for developers interested in implementing persistence tiers for enterprise applications. We cover JPA basics including simple object/relational concepts and annotations, persistence contexts and entity managers, and configuration via persistence.xml. We get a good grounding in the Java Persistence Query Language (JPQL) and take advantage of a prepared JPQL query console to explore the two schemas on which the course's case studies are based. The course then moves into advanced topics including JPA-2.0 mapping options, the Criteria API, lifecycle hooks, JSR-303 validation, locking, and caching. Students will complete the course with a firm understanding of JPA architecture and plenty of hands-on exercise in entity mapping, persistence operations, and JPQL.

Course software includes two schemas: a fairly simple human-resources model (6 tables, 253 rows) for early chapters and a more sophisticated pharmacy schema (14 tables, 4255 rows) for the latter half of the course. The pharmacy schema is based on an open-source project and made available to Capstone Courseware by special permission.

The course supports either the Derby or Oracle RDBMS. Derby is bundled with the course software and is pre-configured; a script is included to change over to Oracle configurations for all exercises and schema-creation scripts are available for both.

  1. Introduction to JPA
    1. Object/Relational Mapping
    2. Mismatches Between Relational and Object Models
    3. The Java Persistence API
    4. Hibernate
    5. History
    6. Architecture
    7. Entity Metadata
    8. The Entity Manager
  2. Object/Relational Mapping
    1. Annotations
    2. JavaBean Standards
    3. Property, Field, and Mixed Access
    4. Table and Column Mapping
    5. Primary Keys and Generation
    6. Type Mappings
    7. Temporal and Enumerated Types
    8. Embedded Types
    9. Entity Relationships
    10. @ManyToOne Relationships
    11. @OneToOne Relationships
    12. @OneToMany Relationships
    13. @ManyToMany Relationships
    14. Eager and Lazy Loading
  3. Entity Managers
    1. Putting Entities to Work
    2. persistence.xml
    3. Entity State and Transitions
    4. Managing Transactions
    5. Persistence Operations
    6. Creating Queries
    7. Named Queries
    8. Query Parameters
    9. Native Queries
  4. JPQL
    1. The Java Persistence Query Language
    2. HQL and JPQL
    3. Query Structure
    4. Path Expressions
    5. Filtering
    6. Scalar Functions
    7. Operators and Precedence
    8. between, like, in
    9. is null, is empty
    10. Ordering
    11. Aliases
    12. Grouping
    13. Aggregate Functions
    14. Joins
    15. Constructors
  5. Advanced Mappings
    1. Inheritance Strategies
    2. Single-Table Strategy
    3. Joined-Table Strategy
    4. Table-Per-Concrete-Class Strategy
    5. Querying Over Inheritance Relationships
    6. Type Identification with .class
    7. Secondary Tables
    8. Composite Primary Keys
    9. @IdClass and @EmbeddedId
    10. Derived Identifiers
    11. @ElementCollection
    12. Default Values
    13. @Version Fields
    14. Cascading and Orphan Removal
    15. Detachment and Merging
    16. Hibernate Extensions
    17. The @Type Annotation
  6. The Criteria API
    1. History of the Criteria API
    2. Criteria Query Structure
    3. The MetaModel API and Query Type Safety
    4. The Hibernate Metamodel Generator
    5. Tuples
    6. Joins
    7. Predicates
    8. Building Expressions
    9. Ordering
    10. Grouping
    11. Encapsulating Persistence Logic
    12. Façades
    13. Range Queries
  7. Lifecycle and Validation
    1. Lifecycle Events
    2. Method Annotations
    3. Entity Listeners
    4. JSR-303 Validation
    5. The Hibernate Validator
    6. Constraint Annotations
    7. Validation Modes
    8. Validation Groups
  8. Locking and Caching
    1. Concurrency
    2. Optimistic Locking
    3. Optimistic Read Locking
    4. Optimistic Write Locking
    5. Pessimistic Locking
    6. Caching
    7. Persistence Context as Transactional Cache
    8. Shared (2nd-level) Cache
    9. Locking and Caching "Do's and Don'ts"

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