High Performance Java Persistence Training in Nigeria

Day 1 - Introduction

• O/R Mismatch
• JPA vs Hibernate
• Schema ownership and incremental migrations
• Integration testing strategies

Hibernate Connection Management

• Connection Providers
• Connection Monitoring
• Statement Logging and the statement count validator

Basic Mappings

• Types
• Entity
• Embedded
• JPA Identifiers
• Legacy and enhanced identifier generators (hilo, pooled-lo)

Relationships

• Many-to-One
• One-to-One
• One-to-Many
• Many-to-Many
• Embedded Collections

Day 2 - Inheritance

• Single table inheritance caveats
• Joined table inheritance caveats
• Composition vs inheritance

Entity state transitions

• Flushing basics
• AUTO flush caveats
• Dirty checking
• Flush operation order
• Bytecode enhancement dirty checking

Batch updates and ResultSet fetching

• JDBC batching
• How to batch INSERT and UPDATE statements
• How to batch DELETE statements

Fetching

• Natural key
• DTO projections
• Entity queries
• LAZY vs EAGER
• Query-time fetching

Concurrency control

• Isolation levels and database concurrency control
• Preventing lost updates in long conversations
• Logical vs physical clock optimistic locking
• Hibernate collections optimistic locking
• Version-less optimistic locking
• Java Persistence locking
• Explicit OPTIMISTIC Lock Mode
• OPTIMISTIC_FORCE_INCREMENT Lock Mode
• PESSIMISTIC_FORCE_INCREMENT Lock Mode
• PESSIMISTIC_READ and PESSIMISTIC_WRITE Lock Modes

Caching

• Database caching
• Application caching
• Second-level cache entries
• Cache synchronization strategies
• READ_ONLY CacheConcurrencyStrategy
• NONSTRICT_READ_WRITE CacheConcurrencyStrategy
• READ_WRITE CacheConcurrencyStrategy
• TRANSACTIONAL CacheConcurrencyStrategy
• Collection Cache
• Query Cache