Enterprise Java Development@TOPIC@

Validation API

Revision: v2013-09-23

2014-03-07 00:03 EST

Copyright © 2014 jim stafford (jcstaff@apl.jhu.edu)

Abstract

This presentation provides information for developers to leverage the Java Validation API within their application and wire into their JPA persistence context.

Purpose
1. Core Validation API
1.1. Validation Goals
1.2. Constraints
1.2.1. Annotating Class
1.2.2. Validating Instances
1.3. Constraint Groups
1.3.1. Uses
1.3.2. Defining Groups
1.3.3. Groups Applied to Classes
1.3.4. Validating with Groups
1.4. Custom Validators
1.4.1. Annotation
1.4.2. Validator
1.4.3. Annotating Class
1.4.4. Example Usage
1.5. Composite Constraints
1.5.1. Multiple Constraints
1.5.2. Replace With Composite
1.5.3. Composite Annotation
1.5.4. Composed Validations Individually Reported
1.5.5. @ReportAsSingleViolation
1.6. Group Sequences
1.6.1. Validation Groups and Sequence
1.6.2. Assign Constraints from Sequence
1.6.3. Sample Execution
1.6.4. Optionally Assign Sequence to be Default for Class
1.7. Validating Types
1.7.1. Annotation
1.7.2. Validator
1.7.3. Validator
1.8. Cascade Validation
1.8.1. Trigger Validation Cascade with @Valid
1.8.2. Validation
1.9. XML Descriptor
1.9.1. POJO Bean Class
1.9.2. META-INF/validation.xml
1.9.3. Constraint Mapping
1.10. Summary
2. JPA Persistence Lifecycle
2.1. Callbacks
2.2. Listeners
2.3. Summary
3. Validation API/JPA Integration
3.1. Entity Class
3.2. Persistence Unit
3.3. Validation
3.4. Validation with JPA
3.5. Summary
4. Validation API Build/Maven Aspects
4.1. Adding POM Dependencies
4.2. Adding Plugin Dependencies