iii
Preface ............................................................................................................................. v
1. Setting up an annotations project ............................................................................... 1
1.1. Requirements ..................................................................................................... 1
1.2. Configuration ...................................................................................................... 1
1.3. Properties ........................................................................................................... 4
1.4. Logging .............................................................................................................. 4
2. Mapping Entities .......................................................................................................... 7
2.1. Intro ................................................................................................................... 7
2.2. Mapping with JPA (Java Persistence Annotations) ................................................ 7
2.2.1. Marking a POJO as persistent entity ......................................................... 7
2.2.2. Mapping simple properties ........................................................................ 9
2.2.3. Mapping identifier properties ................................................................... 15
2.2.4. Mapping inheritance ............................................................................... 24
2.2.5. Mapping entity associations/relationships ................................................. 28
2.2.6. Mapping composite primary keys and foreign keys to composite primary
keys ................................................................................................................ 43
2.2.7. Mapping secondary tables ...................................................................... 45
2.2.8. Caching entities ..................................................................................... 45
2.3. Mapping Queries .............................................................................................. 47
2.3.1. Mapping JP-QL/HQL queries .................................................................. 47
2.3.2. Mapping native queries .......................................................................... 48
2.4. Hibernate Annotation Extensions ....................................................................... 52
2.4.1. Entity ..................................................................................................... 52
2.4.2. Identifier ................................................................................................ 55
2.4.3. Property ................................................................................................. 56
2.4.4. Inheritance ............................................................................................. 60
2.4.5. Single Association related annotations ..................................................... 60
2.4.6. Collection related annotations ................................................................. 63
2.4.7. Cascade ................................................................................................ 66
2.4.8. Filters .................................................................................................... 67
2.4.9. Queries .................................................................................................. 68
2.4.10. Custom SQL for CRUD operations ........................................................ 69
2.4.11. Tuplizer ................................................................................................ 70
2.4.12. Fetch profiles ....................................................................................... 71
3. Overriding metadata through XML ............................................................................. 73
3.1. Principles .......................................................................................................... 73
3.1.1. Global level metadata ............................................................................. 73
3.1.2. Entity level metadata .............................................................................. 74
3.1.3. Property level metadata .......................................................................... 76
3.1.4. Association level metadata ..................................................................... 77
4. Additional modules .................................................................................................... 79
4.1. Bean Validation ................................................................................................ 79
4.1.1. Adding Bean Validation .......................................................................... 79
4.1.2. Configuration .......................................................................................... 79
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