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Advanced JPA Topics
Miroslav Blasko
November 30, 2016
Miroslav Blasko ([email protected]) Advanced JPA Topics November 30, 2016 1 / 69
Contents
1 Embedded Objects
2 Mapping to legacy databases
3 Cascades
4 Collection Mapping
5 Compound and Shared Keys
6 Compound Join Columns
7 Various Attributes and Access Types
8 Queries
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Embedded Objects
Embedded Objects
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Embedded Objects
Embedded Objects
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Embedded Objects
Embedded Objects
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Embedded Objects
Embedded Objects
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Embedded Objects
Embedded Objects
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Mapping to legacy databases
Mapping to legacy databases
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Mapping to legacy databases
How to map legacy databases
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Mapping to legacy databases
How to map legacy databases
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Cascades
Cascade-persist
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Cascades
Persisting bidirectional relationship
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Collection Mapping
Collection Mapping
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Collection Mapping
Collection Mapping
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Collection Mapping
Collection Mapping
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Collection Mapping
Collection Mapping
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Collection Mapping
Collection Mapping
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Collection Mapping
Collection Mapping
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Collection Mapping
Collection Mapping
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Collection Mapping
Collection Mapping - Ordered List
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Collection Mapping
Collection Mapping - Ordered List
Figure: Ordering by Entity or Element Attribute
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Collection Mapping
Collection Mapping - Ordered List
Figure: Ordering by Entity or Element Attribute
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Collection Mapping
Collection Mapping - Ordered List
Figure: Persistently ordered lists
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Collection Mapping
Collection Mapping - Ordered List
Figure: Persistently ordered lists
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Collection Mapping
Collection Mapping - Maps
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by basic type - key is String
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by basic type - key is an enumeration
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by basic type - 1:N relationship using a Map with String key
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by basic type - N:M relationship using a Map with String key
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by entity attribute
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by embeddable type
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by embeddable type
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by embeddable type
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by embeddable type
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by embeddable type
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Collection Mapping
Collection Mapping - Maps
Figure: Keying by entity
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Compound and Shared Keys
Compound and Shared Keys
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Compound and Shared Keys
Compound primary keys
Figure: Id Class
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Compound and Shared Keys
Compound primary keys
Figure: Embedded Id Class
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Compound and Shared Keys
Compound primary keys
Figure: Embedded Id Class
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Compound and Shared Keys
Shared Primary Key
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Compound and Shared Keys
Shared Primary Key
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Compound Join Columns
Compound Join Columns
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Compound Join Columns
Compound Join Columns
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Compound Join Columns
Compound Join Columns
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Various Attributes and Access Types
Various Attributes and AccessTypes
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Various Attributes and Access Types
Read-only mappings
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Various Attributes and Access Types
Optionality
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Various Attributes and Access Types
Access types - Field access
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Various Attributes and Access Types
Access types - Property access
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Various Attributes and Access Types
Access types - Mixed access
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Various Attributes and Access Types
Access types - Mixed access
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Queries
JPQL - query parameters
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Queries
JPQL - defining a query dynamically
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Queries
JPQL - using parameters
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Queries
JPQL - named queries
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Queries
JPQL - named queries
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Queries
JPQL - pagination
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Queries
JPQL - bulk updates
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Queries
Native (SQL) queries
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Queries
Native (SQL) queries
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Queries
Native (SQL) queries
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Queries
The End
Thank You
Miroslav Blasko ([email protected]) Advanced JPA Topics November 30, 2016 68 / 69
Queries
Resources
JSR 338 Java Persistence 2.1 Final Releasehttp://jcp.org/aboutJava/communityprocess/final/jsr338/index.html
Miroslav Blasko ([email protected]) Advanced JPA Topics November 30, 2016 69 / 69
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